2 Jun 2005


      Update of /cvsroot/pure-data/externals/iemlib/src/iemlib1
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv28791
Modified Files:
    biquad_freq_resp.c db2v.c f2note.c forpp.c gate.c iemlib.h 
    iemlib1.c sigFIR.c sigfilter.c sighml_shelf.c sigiem_cot4.c 
    sigiem_delay.c sigiem_pow4.c sigiem_sqrt4.c siglp1_t.c 
    sigmov_avrg_kern.c sigpara_bp2.c sigpeakenv.c sigprvu.c 
    sigpvu.c sigrvu.c sigsin_phase.c sigvcf_filter.c 
    soundfile_info.c split.c v2db.c 
Log Message:
updated to release-1.16
Index: sigFIR.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/sigFIR.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** sigFIR.c	18 May 2004 21:33:29 -0000	1.1.1.1
--- sigFIR.c	2 Jun 2005 18:23:54 -0000	1.2
***************
*** 1,177 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! 
! /* ---------- FIR~ - FIR-filter with table~-coef ----------- */
! 
! typedef struct sigFIR
! {
! 	t_object	x_obj;
! 	float			*x_coef_beg;
! 	float			*x_history_beg;
! 	int				x_rw_index;
! 	int				x_fir_order;
! 	t_symbol	*x_table_name;
! 	float			x_msi;
! } t_sigFIR;
! 
! t_class *sigFIR_class;
! 
! static t_int *sigFIR_perform(t_int *w)
! {
! 	float *in = (float *)(w[1]);
! 	float *out = (float *)(w[2]);
! 	t_sigFIR *x = (t_sigFIR *)(w[3]);
! 	int n = (t_int)(w[4]);
! 	int rw_index = x->x_rw_index;
! 	int i, j;
! 	int order = x->x_fir_order;
! 	int ord16 = order / 16;
! 	float sum=0.0f;
! 	float *coef = x->x_coef_beg;
! 	float *write_hist1=x->x_history_beg;
! 	float *write_hist2;
! 	float *read_hist;
! 	float *coef_vec;
! 	float *hist_vec;
! 
! 	if(!coef)
! 		goto sigFIRperfzero;
! 
! 	write_hist1 = x->x_history_beg;
! 	write_hist2 = write_hist1 + order;
! 	read_hist = write_hist2;
! 
! 	for(i=0; i<n; i++)
! 	{
! 		write_hist1[rw_index] = in[i];
! 		write_hist2[rw_index] = in[i];
! 
! 		sum = 0.0f;
! 		coef_vec = coef;
! 		hist_vec = &read_hist[rw_index];
! 		for(j=0; j<ord16; j++)
! 		{
! 			sum += coef_vec[0] * hist_vec[0];
! 			sum += coef_vec[1] * hist_vec[-1];
! 			sum += coef_vec[2] * hist_vec[-2];
! 			sum += coef_vec[3] * hist_vec[-3];
! 			sum += coef_vec[4] * hist_vec[-4];
! 			sum += coef_vec[5] * hist_vec[-5];
! 			sum += coef_vec[6] * hist_vec[-6];
! 			sum += coef_vec[7] * hist_vec[-7];
! 			sum += coef_vec[8] * hist_vec[-8];
! 			sum += coef_vec[9] * hist_vec[-9];
! 			sum += coef_vec[10] * hist_vec[-10];
! 			sum += coef_vec[11] * hist_vec[-11];
! 			sum += coef_vec[12] * hist_vec[-12];
! 			sum += coef_vec[13] * hist_vec[-13];
! 			sum += coef_vec[14] * hist_vec[-14];
! 			sum += coef_vec[15] * hist_vec[-15];
! 			coef_vec += 16;
! 			hist_vec -= 16;
! 		}
! 		for(j=ord16*16; j<order; j++)
! 		{
! 			sum += coef[j] * read_hist[rw_index-j];
! 		}
! 		out[i] = sum;
! 
! 		rw_index++;
! 		if(rw_index >= order)
! 			rw_index -= order;
! 	}
! 
! 	x->x_rw_index = rw_index;
! 	return(w+5);
! 
! sigFIRperfzero:
! 
! 	while(n--)
! 		*out++ = 0.0f;
! 	return(w+5);
! }
! 
! void sigFIR_set(t_sigFIR *x, t_symbol *table_name, t_floatarg forder)
! {
! 	t_garray *ga;
! 	int table_size;
! 	int order = (int)forder;
! 	
! 	x->x_table_name = table_name;
! 	if(!(ga = (t_garray *)pd_findbyclass(x->x_table_name, garray_class)))
! 	{
! 		if(*table_name->s_name)
! 			error("FIR~: %s: no such table~", x->x_table_name->s_name);
! 		x->x_coef_beg = 0;
! 	}
! 	else if(!garray_getfloatarray(ga, &table_size, &x->x_coef_beg))
! 	{
! 		error("%s: bad template for FIR~", x->x_table_name->s_name);
! 		x->x_coef_beg = 0;
! 	}
! 	else if(table_size < order)
! 	{
! 		error("FIR~: tablesize %d < order %d !!!!", table_size, order);
! 		x->x_coef_beg = 0;
! 	}
! 	else
! 		garray_usedindsp(ga);
! 	x->x_rw_index = 0;
! 	if(order > x->x_fir_order)/* resize */
! 		x->x_history_beg =  (float *)resizebytes(x->x_history_beg, 2*x->x_fir_order*sizeof(float), 2*order*sizeof(float));
! 	x->x_fir_order = order;
! }
! 
! static void sigFIR_dsp(t_sigFIR *x, t_signal **sp)
! {
! 	sigFIR_set(x, x->x_table_name, x->x_fir_order);
! 	dsp_add(sigFIR_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
! }
! 
! static void *sigFIR_new(t_symbol *ref, t_floatarg np)
! {
! 	t_sigFIR *x = (t_sigFIR *)pd_new(sigFIR_class);
! 
! 	outlet_new(&x->x_obj, &s_signal);
! 	x->x_msi = 0;
! 	x->x_table_name = ref;
! 	x->x_coef_beg = 0;
! 	if((int)np < 1)
! 		np = 1.0;
! 	x->x_fir_order = (int)np;
! 	x->x_history_beg = (float *)getbytes((2*x->x_fir_order)*sizeof(float));
! 	x->x_rw_index = 0;
! 	return(x);
! }
! 
! static void sigFIR_free(t_sigFIR *x)
! {
! 	if(x->x_history_beg)
! 		freebytes(x->x_history_beg, (2*x->x_fir_order)*sizeof(float));
! }
! 
! void sigFIR_setup(void)
! {
! 	sigFIR_class = class_new(gensym("FIR~"), (t_newmethod)sigFIR_new,
! 		(t_method)sigFIR_free, sizeof(t_sigFIR), 0, A_DEFSYM, A_DEFFLOAT, 0);
! 	CLASS_MAINSIGNALIN(sigFIR_class, t_sigFIR, x_msi);
! 	class_addmethod(sigFIR_class, (t_method)sigFIR_dsp, gensym("dsp"), 0);
! 	class_addmethod(sigFIR_class, (t_method)sigFIR_set,
! 		gensym("set"), A_SYMBOL, A_FLOAT, 0);
! 	class_sethelpsymbol(sigFIR_class, gensym("iemhelp/help-FIR~"));
! }
--- 1,177 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! 
! /* ---------- FIR~ - FIR-filter with table-coef ----------- */
! 
! typedef struct sigFIR
! {
!   t_object  x_obj;
!   float     *x_coef_beg;
!   float     *x_history_beg;
!   int       x_rw_index;
!   int       x_fir_order;
!   t_symbol  *x_table_name;
!   float     x_msi;
! } t_sigFIR;
! 
! t_class *sigFIR_class;
! 
! static t_int *sigFIR_perform(t_int *w)
! {
!   float *in = (float *)(w[1]);
!   float *out = (float *)(w[2]);
!   t_sigFIR *x = (t_sigFIR *)(w[3]);
!   int n = (t_int)(w[4]);
!   int rw_index = x->x_rw_index;
!   int i, j;
!   int order = x->x_fir_order;
!   int ord16 = order / 16;
!   float sum=0.0f;
!   float *coef = x->x_coef_beg;
!   float *write_hist1=x->x_history_beg;
!   float *write_hist2;
!   float *read_hist;
!   float *coef_vec;
!   float *hist_vec;
!   
!   if(!coef)
!     goto sigFIRperfzero;
!   
!   write_hist1 = x->x_history_beg;
!   write_hist2 = write_hist1 + order;
!   read_hist = write_hist2;
!   
!   for(i=0; i<n; i++)
!   {
!     write_hist1[rw_index] = in[i];
!     write_hist2[rw_index] = in[i];
!     
!     sum = 0.0f;
!     coef_vec = coef;
!     hist_vec = &read_hist[rw_index];
!     for(j=0; j<ord16; j++)
!     {
!       sum += coef_vec[0] * hist_vec[0];
!       sum += coef_vec[1] * hist_vec[-1];
!       sum += coef_vec[2] * hist_vec[-2];
!       sum += coef_vec[3] * hist_vec[-3];
!       sum += coef_vec[4] * hist_vec[-4];
!       sum += coef_vec[5] * hist_vec[-5];
!       sum += coef_vec[6] * hist_vec[-6];
!       sum += coef_vec[7] * hist_vec[-7];
!       sum += coef_vec[8] * hist_vec[-8];
!       sum += coef_vec[9] * hist_vec[-9];
!       sum += coef_vec[10] * hist_vec[-10];
!       sum += coef_vec[11] * hist_vec[-11];
!       sum += coef_vec[12] * hist_vec[-12];
!       sum += coef_vec[13] * hist_vec[-13];
!       sum += coef_vec[14] * hist_vec[-14];
!       sum += coef_vec[15] * hist_vec[-15];
!       coef_vec += 16;
!       hist_vec -= 16;
!     }
!     for(j=ord16*16; j<order; j++)
!     {
!       sum += coef[j] * read_hist[rw_index-j];
!     }
!     out[i] = sum;
!     
!     rw_index++;
!     if(rw_index >= order)
!       rw_index -= order;
!   }
!   
!   x->x_rw_index = rw_index;
!   return(w+5);
!   
! sigFIRperfzero:
!   
!   while(n--)
!     *out++ = 0.0f;
!   return(w+5);
! }
! 
! void sigFIR_set(t_sigFIR *x, t_symbol *table_name, t_floatarg forder)
! {
!   t_garray *ga;
!   int table_size;
!   int order = (int)forder;
!   
!   x->x_table_name = table_name;
!   if(!(ga = (t_garray *)pd_findbyclass(x->x_table_name, garray_class)))
!   {
!     if(*table_name->s_name)
!       error("FIR~: %s: no such table~", x->x_table_name->s_name);
!     x->x_coef_beg = 0;
!   }
!   else if(!garray_getfloatarray(ga, &table_size, &x->x_coef_beg))
!   {
!     error("%s: bad template for FIR~", x->x_table_name->s_name);
!     x->x_coef_beg = 0;
!   }
!   else if(table_size < order)
!   {
!     error("FIR~: tablesize %d < order %d !!!!", table_size, order);
!     x->x_coef_beg = 0;
!   }
!   else
!     garray_usedindsp(ga);
!   x->x_rw_index = 0;
!   if(order > x->x_fir_order)/* resize */
!     x->x_history_beg =  (float *)resizebytes(x->x_history_beg, 2*x->x_fir_order*sizeof(float), 2*order*sizeof(float));
!   x->x_fir_order = order;
! }
! 
! static void sigFIR_dsp(t_sigFIR *x, t_signal **sp)
! {
!   sigFIR_set(x, x->x_table_name, x->x_fir_order);
!   dsp_add(sigFIR_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
! }
! 
! static void *sigFIR_new(t_symbol *ref, t_floatarg np)
! {
!   t_sigFIR *x = (t_sigFIR *)pd_new(sigFIR_class);
!   
!   outlet_new(&x->x_obj, &s_signal);
!   x->x_msi = 0;
!   x->x_table_name = ref;
!   x->x_coef_beg = 0;
!   if((int)np < 1)
!     np = 1.0;
!   x->x_fir_order = (int)np;
!   x->x_history_beg = (float *)getbytes((2*x->x_fir_order)*sizeof(float));
!   x->x_rw_index = 0;
!   return(x);
! }
! 
! static void sigFIR_free(t_sigFIR *x)
! {
!   if(x->x_history_beg)
!     freebytes(x->x_history_beg, (2*x->x_fir_order)*sizeof(float));
! }
! 
! void sigFIR_setup(void)
! {
!   sigFIR_class = class_new(gensym("FIR~"), (t_newmethod)sigFIR_new,
!     (t_method)sigFIR_free, sizeof(t_sigFIR), 0, A_DEFSYM, A_DEFFLOAT, 0);
!   CLASS_MAINSIGNALIN(sigFIR_class, t_sigFIR, x_msi);
!   class_addmethod(sigFIR_class, (t_method)sigFIR_dsp, gensym("dsp"), 0);
!   class_addmethod(sigFIR_class, (t_method)sigFIR_set,
!     gensym("set"), A_SYMBOL, A_FLOAT, 0);
!   class_sethelpsymbol(sigFIR_class, gensym("iemhelp/help-FIR~"));
! }
Index: iemlib.h
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/iemlib.h,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** iemlib.h	9 Mar 2005 17:15:59 -0000	1.2
--- iemlib.h	2 Jun 2005 18:23:54 -0000	1.3
***************
*** 1,100 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifndef __IEMLIB_H__
! #define __IEMLIB_H__
! 
! 
! #define IS_A_POINTER(atom,index) ((atom+index)->a_type == A_POINTER)
! #define IS_A_FLOAT(atom,index) ((atom+index)->a_type == A_FLOAT)
! #define IS_A_SYMBOL(atom,index) ((atom+index)->a_type == A_SYMBOL)
! #define IS_A_DOLLAR(atom,index) ((atom+index)->a_type == A_DOLLAR)
! #define IS_A_DOLLSYM(atom,index) ((atom+index)->a_type == A_DOLLSYM)
! #define IS_A_SEMI(atom,index) ((atom+index)->a_type == A_SEMI)
! #define IS_A_COMMA(atom,index) ((atom+index)->a_type == A_COMMA)
! 
! 
! #ifdef NT
! int sys_noloadbang;
! //t_symbol *iemgui_key_sym=0;
! #include <io.h>
! #else
! extern int sys_noloadbang;
! //extern t_symbol *iemgui_key_sym;
! #include <unistd.h>
! #endif
! 
! #define DEFDELVS 64
! #define XTRASAMPS 4
! #define SAMPBLK 4
! 
! 
! #define UNITBIT32 1572864.  /* 3*2^19; bit 32 has place value 1 */
! 
!     /* machine-dependent definitions.  These ifdefs really
!     should have been by CPU type and not by operating system! */
! #ifdef IRIX
!     /* big-endian.  Most significant byte is at low address in memory */
! #define HIOFFSET 0    /* word offset to find MSB */
! #define LOWOFFSET 1    /* word offset to find LSB */
! #define int32 long  /* a data type that has 32 bits */
! #else
! #ifdef MSW
!     /* little-endian; most significant byte is at highest address */
! #define HIOFFSET 1
! #define LOWOFFSET 0
! #define int32 long
! #else
! #ifdef __FreeBSD__
! #include <machine/endian.h>
! #if BYTE_ORDER == LITTLE_ENDIAN
! #define HIOFFSET 1
! #define LOWOFFSET 0
! #else
! #define HIOFFSET 0    /* word offset to find MSB */
! #define LOWOFFSET 1    /* word offset to find LSB */
! #endif /* BYTE_ORDER */
! #include <sys/types.h>
! #define int32 int32_t
! #endif
! #ifdef __linux__
! 
! #include <endian.h>
! 
! #if !defined(__BYTE_ORDER) || !defined(__LITTLE_ENDIAN)                         
! #error No byte order defined                                                    
! #endif                                                                          
!                                                                                 
! #if __BYTE_ORDER == __LITTLE_ENDIAN                                             
! #define HIOFFSET 1                                                              
! #define LOWOFFSET 0                                                             
! #else                                                                           
! #define HIOFFSET 0    /* word offset to find MSB */                             
! #define LOWOFFSET 1    /* word offset to find LSB */                            
! #endif /* __BYTE_ORDER */                                                       
! 
! #include <sys/types.h>
! #define int32 int32_t
! 
! #else
! #ifdef __APPLE__
! #define HIOFFSET 0    /* word offset to find MSB */
! #define LOWOFFSET 1    /* word offset to find LSB */
! #define int32 int  /* a data type that has 32 bits */
! 
! #endif /* __APPLE__ */
! #endif /* __linux__ */
! #endif /* MSW */
! #endif /* SGI */
! 
! union tabfudge
! {
!     double tf_d;
!     int32 tf_i[2];
! };
! 
! #define IEM_DENORMAL(f) !(*(unsigned int*)&(f))&0x60000000
! 
! #endif
--- 1,102 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifndef __IEMLIB_H__
! #define __IEMLIB_H__
! 
! 
! #define IS_A_POINTER(atom,index) ((atom+index)->a_type == A_POINTER)
! #define IS_A_FLOAT(atom,index) ((atom+index)->a_type == A_FLOAT)
! #define IS_A_SYMBOL(atom,index) ((atom+index)->a_type == A_SYMBOL)
! #define IS_A_DOLLAR(atom,index) ((atom+index)->a_type == A_DOLLAR)
! #define IS_A_DOLLSYM(atom,index) ((atom+index)->a_type == A_DOLLSYM)
! #define IS_A_SEMI(atom,index) ((atom+index)->a_type == A_SEMI)
! #define IS_A_COMMA(atom,index) ((atom+index)->a_type == A_COMMA)
! 
! 
! #ifdef NT
! int sys_noloadbang;
! //t_symbol *iemgui_key_sym=0;
! #include <io.h>
! #else
! extern int sys_noloadbang;
! //extern t_symbol *iemgui_key_sym;
! #include <unistd.h>
! #endif
! 
! #define DEFDELVS 64
! #define XTRASAMPS 4
! #define SAMPBLK 4
! 
! 
! #define UNITBIT32 1572864.  /* 3*2^19; bit 32 has place value 1 */
! 
! /* machine-dependent definitions.  These ifdefs really
! should have been by CPU type and not by operating system! */
! #ifdef IRIX
! /* big-endian.  Most significant byte is at low address in memory */
! #define HIOFFSET 0    /* word offset to find MSB */
! #define LOWOFFSET 1    /* word offset to find LSB */
! #define int32 long  /* a data type that has 32 bits */
! #else
! #ifdef MSW
! /* little-endian; most significant byte is at highest address */
! #define HIOFFSET 1
! #define LOWOFFSET 0
! #define int32 long
! #else
! #ifdef __FreeBSD__
! #include <machine/endian.h>
! #if BYTE_ORDER == LITTLE_ENDIAN
! #define HIOFFSET 1
! #define LOWOFFSET 0
! #else
! #define HIOFFSET 0    /* word offset to find MSB */
! #define LOWOFFSET 1    /* word offset to find LSB */
! #endif /* BYTE_ORDER */
! #include <sys/types.h>
! #define int32 int32_t
! #endif
! #ifdef __linux__
! 
! #include <endian.h>
! 
! #if !defined(__BYTE_ORDER) || !defined(__LITTLE_ENDIAN)                         
! #error No byte order defined                                                    
! #endif                                                                          
! 
! #if __BYTE_ORDER == __LITTLE_ENDIAN                                             
! #define HIOFFSET 1                                                              
! #define LOWOFFSET 0                                                             
! #else                                                                           
! #define HIOFFSET 0    /* word offset to find MSB */                             
! #define LOWOFFSET 1    /* word offset to find LSB */                            
! #endif /* __BYTE_ORDER */                                                       
! 
! #include <sys/types.h>
! #define int32 int32_t
! 
! #else
! #ifdef __APPLE__
! #define HIOFFSET 0    /* word offset to find MSB */
! #define LOWOFFSET 1    /* word offset to find LSB */
! #define int32 int  /* a data type that has 32 bits */
! 
! #endif /* __APPLE__ */
! #endif /* __linux__ */
! #endif /* MSW */
! #endif /* SGI */
! 
! union tabfudge
! {
!   double tf_d;
!   int32 tf_i[2];
! };
! 
! #define IEM_DENORMAL(f) ((((*(unsigned int*)&(f))&0x60000000)==0) || \
! (((*(unsigned int*)&(f))&0x60000000)==0x60000000))
! /* more stringent test: anything not between 1e-19 and 1e19 in absolute val */
! 
! #endif
Index: siglp1_t.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/siglp1_t.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** siglp1_t.c	9 Mar 2005 17:15:59 -0000	1.2
--- siglp1_t.c	2 Jun 2005 18:23:54 -0000	1.3
***************
*** 1,219 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! 
! /* -- lp1_t~ - slow dynamic lowpass-filter 1. order with tau input --- */
! 
! typedef struct siglp1_t
! {
! 	t_object x_obj;
! 	float	yn1;
! 	float	c0;
! 	float	c1;
! 	float	sr;
! 	float	cur_t;
! 	float	delta_t;
! 	float	end_t;
! 	float	ticks_per_interpol_time;
! 	float	rcp_ticks;
! 	float	interpol_time;
! 	int	  ticks;
! 	int	  counter_t;
! 	float	x_msi;
! } t_siglp1_t;
! 
! t_class *siglp1_t_class;
! 
! static void siglp1_t_dsp_tick(t_siglp1_t *x)
! {
! 	if(x->counter_t)
! 	{
! 		if(x->counter_t <= 1)
! 		{
! 			x->cur_t = x->end_t;
! 			x->counter_t = 0;
! 		}
! 		else
! 		{
! 			x->counter_t--;
! 			x->cur_t += x->delta_t;
! 		}
! 		if(x->cur_t == 0.0f)
! 			x->c1 = 0.0f;
! 		else
! 			x->c1 = exp((x->sr)/x->cur_t);
! 		x->c0 = 1.0f - x->c1;
! 	}
! }
! 
! static t_int *siglp1_t_perform(t_int *w)
! {
! 	float *in = (float *)(w[1]);
! 	float *out = (float *)(w[2]);
! 	t_siglp1_t *x = (t_siglp1_t *)(w[3]);
! 	int i, n = (t_int)(w[4]);
! 	float yn0, yn1=x->yn1;
! 	float c0=x->c0, c1=x->c1;
! 
! 	siglp1_t_dsp_tick(x);
! 	for(i=0; i<n; i++)
! 	{
! 		yn0 = (*in++)*c0 + yn1*c1;
! 		*out++ = yn0;
! 		yn1 = yn0;
! 	}
! 	/* NAN protect */
! 	if(IEM_DENORMAL(yn1))
! 		yn1 = 0.0f;
! 	x->yn1 = yn1;
! 	return(w+5);
! }
! 
! static t_int *siglp1_t_perf8(t_int *w)
! {
! 	float *in = (float *)(w[1]);
! 	float *out = (float *)(w[2]);
! 	t_siglp1_t *x = (t_siglp1_t *)(w[3]);
! 	int i, n = (t_int)(w[4]);
! 	float yn[9];
! 	float c0=x->c0, c1=x->c1;
! 
! 	siglp1_t_dsp_tick(x);
! 	yn[0] = x->yn1;
! 	for(i=0; i<n; i+=8, in+=8, out+=8)
! 	{
! 		yn[1] = in[0]*c0 + yn[0]*c1;
! 		out[0] = yn[1];
! 		yn[2] = in[1]*c0 + yn[1]*c1;
! 		out[1] = yn[2];
! 		yn[3] = in[2]*c0 + yn[2]*c1;
! 		out[2] = yn[3];
! 		yn[4] = in[3]*c0 + yn[3]*c1;
! 		out[3] = yn[4];
! 		yn[5] = in[4]*c0 + yn[4]*c1;
! 		out[4] = yn[5];
! 		yn[6] = in[5]*c0 + yn[5]*c1;
! 		out[5] = yn[6];
! 		yn[7] = in[6]*c0 + yn[6]*c1;
! 		out[6] = yn[7];
! 		yn[8] = in[7]*c0 + yn[7]*c1;
! 		out[7] = yn[8];
! 		yn[0] = yn[8];
! 	}
! 	/* NAN protect */
! 	if(IEM_DENORMAL(yn[0]))
! 		yn[0] = 0.0f;
! 
! 	x->yn1 = yn[0];
! 	return(w+5);
! }
! 
! static void siglp1_t_ft2(t_siglp1_t *x, t_floatarg t)
! {
! 	int i = (int)((x->ticks_per_interpol_time)*t);
! 
! 	x->interpol_time = t;
! 	if(i <= 0)
! 		i = 1;
! 	x->ticks = i;
! 	x->rcp_ticks = 1.0f / (float)i;
! }
! 
! static void siglp1_t_ft1(t_siglp1_t *x, t_floatarg time_const)
! {
! 	if(time_const < 0.0f)
! 		time_const = 0.0f;
! 	if(time_const != x->cur_t)
! 	{
! 		x->end_t = time_const;
! 		x->counter_t = x->ticks;
! 		x->delta_t = (time_const - x->cur_t) * x->rcp_ticks;
! 	}
! }
! 
! static void siglp1_t_dsp(t_siglp1_t *x, t_signal **sp)
! {
! 	int i, n=(int)sp[0]->s_n;
! 
! 	x->sr = -1000.0f / (float)(sp[0]->s_sr);
! 	x->ticks_per_interpol_time = 0.001f * (float)(sp[0]->s_sr) / (float)n;
! 	i = (int)((x->ticks_per_interpol_time)*(x->interpol_time));
! 	if(i <= 0)
! 		i = 1;
! 	x->ticks = i;
! 	x->rcp_ticks = 1.0f / (float)i;
! 	if(x->cur_t == 0.0f)
! 		x->c1 = 0.0f;
! 	else
! 		x->c1 = exp((x->sr)/x->cur_t);
! 	x->c0 = 1.0f - x->c1;
! 	if(n&7)
! 		dsp_add(siglp1_t_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
! 	else
! 		dsp_add(siglp1_t_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
! }
! 
! static void *siglp1_t_new(t_symbol *s, int argc, t_atom *argv)
! {
! 	t_siglp1_t *x = (t_siglp1_t *)pd_new(siglp1_t_class);
! 	int i;
! 	float time_const=0.0f, interpol=0.0f;
! 
! 	inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
! 	inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft2"));
! 	outlet_new(&x->x_obj, &s_signal);
! 	x->x_msi = 0;
! 	x->counter_t = 1;
! 	x->delta_t = 0.0f;
! 	x->interpol_time = 0.0f;
! 	x->yn1 = 0.0f;
! 	x->sr = -1.0f / 44.1f;
! 	if((argc >= 1)&&IS_A_FLOAT(argv,0))
! 		time_const = (float)atom_getfloatarg(0, argc, argv);
! 	if((argc >= 2)&&IS_A_FLOAT(argv,1))
! 		interpol = (float)atom_getfloatarg(1, argc, argv);
! 	if(time_const < 0.0f)
! 		time_const = 0.0f;
! 	x->cur_t = time_const;
! 	if(time_const == 0.0f)
! 		x->c1 = 0.0f;
! 	else
! 		x->c1 = exp((x->sr)/time_const);
! 	x->c0 = 1.0f - x->c1;
! 	if(interpol < 0.0f)
! 		interpol = 0.0f;
! 	x->interpol_time = interpol;
! 	x->ticks_per_interpol_time = 0.5f;
! 	i = (int)((x->ticks_per_interpol_time)*(x->interpol_time));
! 	if(i <= 0)
! 		i = 1;
! 	x->ticks = i;
! 	x->rcp_ticks = 1.0f / (float)i;
! 	x->end_t = x->cur_t;
! 	return (x);
! }
! 
! void siglp1_t_setup(void)
! {
! 	siglp1_t_class = class_new(gensym("lp1_t~"), (t_newmethod)siglp1_t_new,
! 				0, sizeof(t_siglp1_t), 0, A_GIMME, 0);
! 	CLASS_MAINSIGNALIN(siglp1_t_class, t_siglp1_t, x_msi);
! 	class_addmethod(siglp1_t_class, (t_method)siglp1_t_dsp, gensym("dsp"), 0);
! 	class_addmethod(siglp1_t_class, (t_method)siglp1_t_ft1, gensym("ft1"), A_FLOAT, 0);
! 	class_addmethod(siglp1_t_class, (t_method)siglp1_t_ft2, gensym("ft2"), A_FLOAT, 0);
! 	class_sethelpsymbol(siglp1_t_class, gensym("iemhelp/help-lp1_t~"));
! }
--- 1,219 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! 
! /* -- lp1_t~ - slow dynamic lowpass-filter 1. order with tau input --- */
! 
! typedef struct siglp1_t
! {
!   t_object  x_obj;
!   float     yn1;
!   float     c0;
!   float     c1;
!   float     sr;
!   float     cur_t;
!   float     delta_t;
!   float     end_t;
!   float     ticks_per_interpol_time;
!   float     rcp_ticks;
!   float     interpol_time;
!   int       ticks;
!   int       counter_t;
!   float     x_msi;
! } t_siglp1_t;
! 
! t_class *siglp1_t_class;
! 
! static void siglp1_t_dsp_tick(t_siglp1_t *x)
! {
!   if(x->counter_t)
!   {
!     if(x->counter_t <= 1)
!     {
!       x->cur_t = x->end_t;
!       x->counter_t = 0;
!     }
!     else
!     {
!       x->counter_t--;
!       x->cur_t += x->delta_t;
!     }
!     if(x->cur_t == 0.0f)
!       x->c1 = 0.0f;
!     else
!       x->c1 = exp((x->sr)/x->cur_t);
!     x->c0 = 1.0f - x->c1;
!   }
! }
! 
! static t_int *siglp1_t_perform(t_int *w)
! {
!   float *in = (float *)(w[1]);
!   float *out = (float *)(w[2]);
!   t_siglp1_t *x = (t_siglp1_t *)(w[3]);
!   int i, n = (t_int)(w[4]);
!   float yn0, yn1=x->yn1;
!   float c0=x->c0, c1=x->c1;
!   
!   siglp1_t_dsp_tick(x);
!   for(i=0; i<n; i++)
!   {
!     yn0 = (*in++)*c0 + yn1*c1;
!     *out++ = yn0;
!     yn1 = yn0;
!   }
!   /* NAN protect */
!   if(IEM_DENORMAL(yn1))
!     yn1 = 0.0f;
!   x->yn1 = yn1;
!   return(w+5);
! }
! 
! static t_int *siglp1_t_perf8(t_int *w)
! {
!   float *in = (float *)(w[1]);
!   float *out = (float *)(w[2]);
!   t_siglp1_t *x = (t_siglp1_t *)(w[3]);
!   int i, n = (t_int)(w[4]);
!   float yn[9];
!   float c0=x->c0, c1=x->c1;
!   
!   siglp1_t_dsp_tick(x);
!   yn[0] = x->yn1;
!   for(i=0; i<n; i+=8, in+=8, out+=8)
!   {
!     yn[1] = in[0]*c0 + yn[0]*c1;
!     out[0] = yn[1];
!     yn[2] = in[1]*c0 + yn[1]*c1;
!     out[1] = yn[2];
!     yn[3] = in[2]*c0 + yn[2]*c1;
!     out[2] = yn[3];
!     yn[4] = in[3]*c0 + yn[3]*c1;
!     out[3] = yn[4];
!     yn[5] = in[4]*c0 + yn[4]*c1;
!     out[4] = yn[5];
!     yn[6] = in[5]*c0 + yn[5]*c1;
!     out[5] = yn[6];
!     yn[7] = in[6]*c0 + yn[6]*c1;
!     out[6] = yn[7];
!     yn[8] = in[7]*c0 + yn[7]*c1;
!     out[7] = yn[8];
!     yn[0] = yn[8];
!   }
!   /* NAN protect */
!   if(IEM_DENORMAL(yn[0]))
!     yn[0] = 0.0f;
!   
!   x->yn1 = yn[0];
!   return(w+5);
! }
! 
! static void siglp1_t_ft2(t_siglp1_t *x, t_floatarg t)
! {
!   int i = (int)((x->ticks_per_interpol_time)*t);
!   
!   x->interpol_time = t;
!   if(i <= 0)
!     i = 1;
!   x->ticks = i;
!   x->rcp_ticks = 1.0f / (float)i;
! }
! 
! static void siglp1_t_ft1(t_siglp1_t *x, t_floatarg time_const)
! {
!   if(time_const < 0.0f)
!     time_const = 0.0f;
!   if(time_const != x->cur_t)
!   {
!     x->end_t = time_const;
!     x->counter_t = x->ticks;
!     x->delta_t = (time_const - x->cur_t) * x->rcp_ticks;
!   }
! }
! 
! static void siglp1_t_dsp(t_siglp1_t *x, t_signal **sp)
! {
!   int i, n=(int)sp[0]->s_n;
!   
!   x->sr = -1000.0f / (float)(sp[0]->s_sr);
!   x->ticks_per_interpol_time = 0.001f * (float)(sp[0]->s_sr) / (float)n;
!   i = (int)((x->ticks_per_interpol_time)*(x->interpol_time));
!   if(i <= 0)
!     i = 1;
!   x->ticks = i;
!   x->rcp_ticks = 1.0f / (float)i;
!   if(x->cur_t == 0.0f)
!     x->c1 = 0.0f;
!   else
!     x->c1 = exp((x->sr)/x->cur_t);
!   x->c0 = 1.0f - x->c1;
!   if(n&7)
!     dsp_add(siglp1_t_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
!   else
!     dsp_add(siglp1_t_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
! }
! 
! static void *siglp1_t_new(t_symbol *s, int argc, t_atom *argv)
! {
!   t_siglp1_t *x = (t_siglp1_t *)pd_new(siglp1_t_class);
!   int i;
!   float time_const=0.0f, interpol=0.0f;
!   
!   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
!   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft2"));
!   outlet_new(&x->x_obj, &s_signal);
!   x->x_msi = 0;
!   x->counter_t = 1;
!   x->delta_t = 0.0f;
!   x->interpol_time = 0.0f;
!   x->yn1 = 0.0f;
!   x->sr = -1.0f / 44.1f;
!   if((argc >= 1)&&IS_A_FLOAT(argv,0))
!     time_const = (float)atom_getfloatarg(0, argc, argv);
!   if((argc >= 2)&&IS_A_FLOAT(argv,1))
!     interpol = (float)atom_getfloatarg(1, argc, argv);
!   if(time_const < 0.0f)
!     time_const = 0.0f;
!   x->cur_t = time_const;
!   if(time_const == 0.0f)
!     x->c1 = 0.0f;
!   else
!     x->c1 = exp((x->sr)/time_const);
!   x->c0 = 1.0f - x->c1;
!   if(interpol < 0.0f)
!     interpol = 0.0f;
!   x->interpol_time = interpol;
!   x->ticks_per_interpol_time = 0.5f;
!   i = (int)((x->ticks_per_interpol_time)*(x->interpol_time));
!   if(i <= 0)
!     i = 1;
!   x->ticks = i;
!   x->rcp_ticks = 1.0f / (float)i;
!   x->end_t = x->cur_t;
!   return (x);
! }
! 
! void siglp1_t_setup(void)
! {
!   siglp1_t_class = class_new(gensym("lp1_t~"), (t_newmethod)siglp1_t_new,
!         0, sizeof(t_siglp1_t), 0, A_GIMME, 0);
!   CLASS_MAINSIGNALIN(siglp1_t_class, t_siglp1_t, x_msi);
!   class_addmethod(siglp1_t_class, (t_method)siglp1_t_dsp, gensym("dsp"), 0);
!   class_addmethod(siglp1_t_class, (t_method)siglp1_t_ft1, gensym("ft1"), A_FLOAT, 0);
!   class_addmethod(siglp1_t_class, (t_method)siglp1_t_ft2, gensym("ft2"), A_FLOAT, 0);
!   class_sethelpsymbol(siglp1_t_class, gensym("iemhelp/help-lp1_t~"));
! }
Index: soundfile_info.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/soundfile_info.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** soundfile_info.c	18 May 2004 21:33:30 -0000	1.1.1.1
--- soundfile_info.c	2 Jun 2005 18:23:54 -0000	1.2
***************
*** 1,261 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <stdlib.h>
! #include <string.h>
! #include <stdio.h>
! #include <math.h>
! 
! #define SFI_HEADER_SAMPLERATE 0
! #define SFI_HEADER_FILENAME 1
! #define SFI_HEADER_MULTICHANNEL_FILE_LENGTH 2
! #define SFI_HEADER_HEADERBYTES 3
! #define SFI_HEADER_CHANNELS 4
! #define SFI_HEADER_BYTES_PER_SAMPLE 5
! #define SFI_HEADER_ENDINESS 6
! 
! #define SFI_HEADER_SIZE 7
! 
! 
! 
! /* -------------------- soundfile_info ------------------------------- */
! 
! static t_class *soundfile_info_class;
! 
! typedef struct _soundfile_info
! {
! 	t_object	x_obj;
! 	long			*x_begmem;
! 	int				x_size;
! 	t_atom		x_atheader[SFI_HEADER_SIZE];
! 	t_canvas	*x_canvas;
! 	void			*x_list_out;
! } t_soundfile_info;
! 
! static short soundfile_info_str2short(char *cvec)
! {
! 	short s=0;
! 	unsigned char *uc=(unsigned char *)cvec;
! 
! 	s += (short)(*uc);
! 	s += (short)(*(uc+1)*256);
! 	return(s);
! }
! 
! static long soundfile_info_str2long(char *cvec)
! {
! 	long l=0;
! 	unsigned char *uc=(unsigned char *)cvec;
! 
! 	l += (long)(*uc);
! 	l += (long)(*(uc+1)*256);
! 	l += (long)(*(uc+2)*65536);
! 	l += (long)(*(uc+3)*16777216);
! 	return(l);
! }
! 
! static void soundfile_info_read(t_soundfile_info *x, t_symbol *filename)
! {
! 	char completefilename[400];
! 	int i, n, n2, n4, filesize, read_chars, header_size=0, ch, bps, sr;
! 	FILE *fh;
! 	t_atom *at;
! 	char *cvec;
! 	long ll;
! 	short ss;
! 
! 	if(filename->s_name[0] == '/')/*make complete path + filename*/
! 	{
! 		strcpy(completefilename, filename->s_name);
! 	}
! 	else if(((filename->s_name[0] >= 'A')&&(filename->s_name[0] <= 'Z')||
! 			(filename->s_name[0] >= 'a')&&(filename->s_name[0] <= 'z'))&&
! 			(filename->s_name[1] == ':')&&(filename->s_name[2] == '/'))
! 	{
! 		strcpy(completefilename, filename->s_name);
! 	}
! 	else
! 	{
! 		strcpy(completefilename, canvas_getdir(x->x_canvas)->s_name);
! 		strcat(completefilename, "/");
! 		strcat(completefilename, filename->s_name);
! 	}
! 
! 	fh = fopen(completefilename,"rb");
! 	if(!fh)
! 	{
! 		post("soundfile_info_read: cannot open %s !!\n", completefilename);
! 	}
! 	else
! 	{
! 		n = x->x_size;
! 		n2 = sizeof(short) * x->x_size;
! 		n4 = sizeof(long) * x->x_size;
! 		fseek(fh, 0, SEEK_END);
! 		filesize = ftell(fh);
! 		fseek(fh,0,SEEK_SET);
! 		read_chars = (int)fread(x->x_begmem, sizeof(char), n4, fh) /2;
! 		fclose(fh);
! //		post("read chars = %d", read_chars);
! 		cvec = (char *)x->x_begmem;
! 		if(read_chars > 4)
! 		{
! 			if(strncmp(cvec, "RIFF", 4))
! 			{
! 				post("soundfile_info_read-error:  %s is no RIFF-WAVE-file", completefilename);
! 				goto soundfile_info_end;
! 			}
! 			header_size += 8;
! 			cvec += 8;
! 			if(strncmp(cvec, "WAVE", 4))
! 			{
! 				post("soundfile_info_read-error:  %s is no RIFF-WAVE-file", completefilename);
! 				goto soundfile_info_end;
! 			}
! 			header_size += 4;
! 			cvec += 4;
! 
! 			for(i=header_size/2; i<read_chars; i++)
! 			{
! 				if(!strncmp(cvec, "fmt ", 4))
! 					goto soundfile_info_fmt;
! 				header_size += 2;
! 				cvec += 2;
! 			}
! 			post("soundfile_info_read-error:  %s has at begin no format-chunk", completefilename);
! 			goto soundfile_info_end;
! 
! soundfile_info_fmt:
! 			header_size += 4;
! 			cvec += 4;
! 			ll = soundfile_info_str2long(cvec);
! 			if(ll != 16)
! 			{
! 				post("soundfile_info_read-error:  %s has a format-chunk not equal to 16", completefilename);
! 				goto soundfile_info_end;
! 			}
! 			header_size += 4;
! 			cvec += 4;
! 			ss = soundfile_info_str2short(cvec);
! 			/* format */
! 			if(ss != 1)					   /* PCM = 1 */
! 			{
! 				post("soundfile_info_read-error:  %s is not PCM-format coded", completefilename);
! 				goto soundfile_info_end;
! 			}
! 			header_size += 2;
! 			cvec += 2;
! 			ss = soundfile_info_str2short(cvec);
! 			/* channels */
! 			if((ss < 1) || (ss > 100))
! 			{
! 				post("soundfile_info_read-error:  %s has no common channel-number", completefilename);
! 				goto soundfile_info_end;
! 			}
! 			SETFLOAT(x->x_atheader+SFI_HEADER_CHANNELS, (float)ss);
! 			ch = ss;
! 			header_size += 2;
! 			cvec += 2;
! 			ll = soundfile_info_str2long(cvec);
! 			/* samplerate */
! 			if((ll > 400000) || (ll < 200))
! 			{
! 				post("soundfile_info_read-error:  %s has no common samplerate", completefilename);
! 				goto soundfile_info_end;
! 			}
! 			SETFLOAT(x->x_atheader+SFI_HEADER_SAMPLERATE, (float)ll);
! 			sr = ll;
! 			header_size += 4;
! 			cvec += 4;
! 
! 			header_size += 4;	/* bytes_per_sec */
! 			cvec += 4;
! 			ss = soundfile_info_str2short(cvec);
! 
! 			/* bytes_per_sample */
! 			if((ss < 1) || (ss > 100))
! 			{
! 				post("soundfile_info_read-error:  %s has no common number of bytes per sample", completefilename);
! 				goto soundfile_info_end;
! 			}
! 			SETFLOAT(x->x_atheader+SFI_HEADER_BYTES_PER_SAMPLE, (float)(ss/ch));
! 			bps = ss;
! 			header_size += 2;
! 			cvec += 2;
! 
! 			header_size += 2;	/* bits_per_sample */
! 			cvec += 2;
! 
! 			for(i=header_size/2; i<read_chars; i++)
! 			{
! 				if(!strncmp(cvec, "data", 4))
! 					goto soundfile_info_data;
! 				header_size += 2;
! 				cvec += 2;
! 			}
! 			post("soundfile_info_read-error:  %s has at begin no data-chunk", completefilename);
! 			goto soundfile_info_end;
! 
! soundfile_info_data:
! 			header_size += 8;
! 			cvec += 8;
! 
! 			SETFLOAT(x->x_atheader+SFI_HEADER_HEADERBYTES, (float)header_size);
! 			
! 			filesize -= header_size;
! 			filesize /= bps;
! 			SETFLOAT(x->x_atheader+SFI_HEADER_MULTICHANNEL_FILE_LENGTH, (float)filesize);
! 			SETSYMBOL(x->x_atheader+SFI_HEADER_ENDINESS, gensym("l"));
! 			SETSYMBOL(x->x_atheader+SFI_HEADER_FILENAME, gensym(completefilename));
! 
! /*			post("ch = %d", ss);
! 			post("sr = %d", ll);
! 			post("bps = %d", ss/ch);
! 			post("head = %d", header_size);
! 			post("len = %d", filesize);*/
! 
! 			outlet_list(x->x_list_out, &s_list, SFI_HEADER_SIZE, x->x_atheader);
! 
! 
! soundfile_info_end:
! 
! 			;
! 		}
! 	}
! }
! 
! static void soundfile_info_free(t_soundfile_info *x)
! {
! 	freebytes(x->x_begmem, x->x_size * sizeof(long));
! }
! 
! static void *soundfile_info_new(void)
! {
! 	t_soundfile_info *x = (t_soundfile_info *)pd_new(soundfile_info_class);
! 
! 	x->x_size = 10000;
! 	x->x_begmem = (long *)getbytes(x->x_size * sizeof(long));
! 	x->x_list_out = outlet_new(&x->x_obj, &s_list);
! 	x->x_canvas = canvas_getcurrent();
! 	return (x);
! }
! 
! /* ---------------- global setup function -------------------- */
! 
! void soundfile_info_setup(void)
! {
! 	soundfile_info_class = class_new(gensym("soundfile_info"), (t_newmethod)soundfile_info_new,
! 					(t_method)soundfile_info_free, sizeof(t_soundfile_info), 0, 0);
! 	class_addmethod(soundfile_info_class, (t_method)soundfile_info_read, gensym("read"), A_SYMBOL, 0);
! 	class_sethelpsymbol(soundfile_info_class, gensym("iemhelp/help-soundfile_info"));
! }
! 
--- 1,261 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <stdlib.h>
! #include <string.h>
! #include <stdio.h>
! #include <math.h>
! 
! #define SFI_HEADER_SAMPLERATE 0
! #define SFI_HEADER_FILENAME 1
! #define SFI_HEADER_MULTICHANNEL_FILE_LENGTH 2
! #define SFI_HEADER_HEADERBYTES 3
! #define SFI_HEADER_CHANNELS 4
! #define SFI_HEADER_BYTES_PER_SAMPLE 5
! #define SFI_HEADER_ENDINESS 6
! 
! #define SFI_HEADER_SIZE 7
! 
! 
! 
! /* --------------------------- soundfile_info -------------------------------- */
! /* -- reads only header of a wave-file and outputs the important parameters -- */
! 
! static t_class *soundfile_info_class;
! 
! typedef struct _soundfile_info
! {
!   t_object  x_obj;
!   long      *x_begmem;
!   int       x_size;
!   t_atom    x_atheader[SFI_HEADER_SIZE];
!   t_canvas  *x_canvas;
!   void      *x_list_out;
! } t_soundfile_info;
! 
! static short soundfile_info_str2short(char *cvec)
! {
!   short s=0;
!   unsigned char *uc=(unsigned char *)cvec;
!   
!   s += (short)(*uc);
!   s += (short)(*(uc+1)*256);
!   return(s);
! }
! 
! static long soundfile_info_str2long(char *cvec)
! {
!   long l=0;
!   unsigned char *uc=(unsigned char *)cvec;
!   
!   l += (long)(*uc);
!   l += (long)(*(uc+1)*256);
!   l += (long)(*(uc+2)*65536);
!   l += (long)(*(uc+3)*16777216);
!   return(l);
! }
! 
! static void soundfile_info_read(t_soundfile_info *x, t_symbol *filename)
! {
!   char completefilename[400];
!   int i, n, n2, n4, filesize, read_chars, header_size=0, ch, bps, sr;
!   FILE *fh;
!   t_atom *at;
!   char *cvec;
!   long ll;
!   short ss;
!   
!   if(filename->s_name[0] == '/')/*make complete path + filename*/
!   {
!     strcpy(completefilename, filename->s_name);
!   }
!   else if(((filename->s_name[0] >= 'A')&&(filename->s_name[0] <= 'Z')||
!     (filename->s_name[0] >= 'a')&&(filename->s_name[0] <= 'z'))&&
!     (filename->s_name[1] == ':')&&(filename->s_name[2] == '/'))
!   {
!     strcpy(completefilename, filename->s_name);
!   }
!   else
!   {
!     strcpy(completefilename, canvas_getdir(x->x_canvas)->s_name);
!     strcat(completefilename, "/");
!     strcat(completefilename, filename->s_name);
!   }
!   
!   fh = fopen(completefilename,"rb");
!   if(!fh)
!   {
!     post("soundfile_info_read: cannot open %s !!\n", completefilename);
!   }
!   else
!   {
!     n = x->x_size;
!     n2 = sizeof(short) * x->x_size;
!     n4 = sizeof(long) * x->x_size;
!     fseek(fh, 0, SEEK_END);
!     filesize = ftell(fh);
!     fseek(fh,0,SEEK_SET);
!     read_chars = (int)fread(x->x_begmem, sizeof(char), n4, fh) /2;
!     fclose(fh);
!     //    post("read chars = %d", read_chars);
!     cvec = (char *)x->x_begmem;
!     if(read_chars > 4)
!     {
!       if(strncmp(cvec, "RIFF", 4))
!       {
!         post("soundfile_info_read-error:  %s is no RIFF-WAVE-file", completefilename);
!         goto soundfile_info_end;
!       }
!       header_size += 8;
!       cvec += 8;
!       if(strncmp(cvec, "WAVE", 4))
!       {
!         post("soundfile_info_read-error:  %s is no RIFF-WAVE-file", completefilename);
!         goto soundfile_info_end;
!       }
!       header_size += 4;
!       cvec += 4;
!       
!       for(i=header_size/2; i<read_chars; i++)
!       {
!         if(!strncmp(cvec, "fmt ", 4))
!           goto soundfile_info_fmt;
!         header_size += 2;
!         cvec += 2;
!       }
!       post("soundfile_info_read-error:  %s has at begin no format-chunk", completefilename);
!       goto soundfile_info_end;
!       
! soundfile_info_fmt:
!       header_size += 4;
!       cvec += 4;
!       ll = soundfile_info_str2long(cvec);
!       if(ll != 16)
!       {
!         post("soundfile_info_read-error:  %s has a format-chunk not equal to 16", completefilename);
!         goto soundfile_info_end;
!       }
!       header_size += 4;
!       cvec += 4;
!       ss = soundfile_info_str2short(cvec);
!       /* format */
!       if(ss != 1)            /* PCM = 1 */
!       {
!         post("soundfile_info_read-error:  %s is not PCM-format coded", completefilename);
!         goto soundfile_info_end;
!       }
!       header_size += 2;
!       cvec += 2;
!       ss = soundfile_info_str2short(cvec);
!       /* channels */
!       if((ss < 1) || (ss > 100))
!       {
!         post("soundfile_info_read-error:  %s has no common channel-number", completefilename);
!         goto soundfile_info_end;
!       }
!       SETFLOAT(x->x_atheader+SFI_HEADER_CHANNELS, (float)ss);
!       ch = ss;
!       header_size += 2;
!       cvec += 2;
!       ll = soundfile_info_str2long(cvec);
!       /* samplerate */
!       if((ll > 400000) || (ll < 200))
!       {
!         post("soundfile_info_read-error:  %s has no common samplerate", completefilename);
!         goto soundfile_info_end;
!       }
!       SETFLOAT(x->x_atheader+SFI_HEADER_SAMPLERATE, (float)ll);
!       sr = ll;
!       header_size += 4;
!       cvec += 4;
!       
!       header_size += 4; /* bytes_per_sec */
!       cvec += 4;
!       ss = soundfile_info_str2short(cvec);
!       
!       /* bytes_per_sample */
!       if((ss < 1) || (ss > 100))
!       {
!         post("soundfile_info_read-error:  %s has no common number of bytes per sample", completefilename);
!         goto soundfile_info_end;
!       }
!       SETFLOAT(x->x_atheader+SFI_HEADER_BYTES_PER_SAMPLE, (float)(ss/ch));
!       bps = ss;
!       header_size += 2;
!       cvec += 2;
!       
!       header_size += 2; /* bits_per_sample */
!       cvec += 2;
!       
!       for(i=header_size/2; i<read_chars; i++)
!       {
!         if(!strncmp(cvec, "data", 4))
!           goto soundfile_info_data;
!         header_size += 2;
!         cvec += 2;
!       }
!       post("soundfile_info_read-error:  %s has at begin no data-chunk", completefilename);
!       goto soundfile_info_end;
!       
! soundfile_info_data:
!       header_size += 8;
!       cvec += 8;
!       
!       SETFLOAT(x->x_atheader+SFI_HEADER_HEADERBYTES, (float)header_size);
!       
!       filesize -= header_size;
!       filesize /= bps;
!       SETFLOAT(x->x_atheader+SFI_HEADER_MULTICHANNEL_FILE_LENGTH, (float)filesize);
!       SETSYMBOL(x->x_atheader+SFI_HEADER_ENDINESS, gensym("l"));
!       SETSYMBOL(x->x_atheader+SFI_HEADER_FILENAME, gensym(completefilename));
!       
!       /*      post("ch = %d", ss);
!       post("sr = %d", ll);
!       post("bps = %d", ss/ch);
!       post("head = %d", header_size);
!       post("len = %d", filesize);*/
!       
!       outlet_list(x->x_list_out, &s_list, SFI_HEADER_SIZE, x->x_atheader);
!       
!       
! soundfile_info_end:
!       
!       ;
!     }
!   }
! }
! 
! static void soundfile_info_free(t_soundfile_info *x)
! {
!   freebytes(x->x_begmem, x->x_size * sizeof(long));
! }
! 
! static void *soundfile_info_new(void)
! {
!   t_soundfile_info *x = (t_soundfile_info *)pd_new(soundfile_info_class);
!   
!   x->x_size = 10000;
!   x->x_begmem = (long *)getbytes(x->x_size * sizeof(long));
!   x->x_list_out = outlet_new(&x->x_obj, &s_list);
!   x->x_canvas = canvas_getcurrent();
!   return (x);
! }
! 
! /* ---------------- global setup function -------------------- */
! 
! void soundfile_info_setup(void)
! {
!   soundfile_info_class = class_new(gensym("soundfile_info"), (t_newmethod)soundfile_info_new,
!     (t_method)soundfile_info_free, sizeof(t_soundfile_info), 0, 0);
!   class_addmethod(soundfile_info_class, (t_method)soundfile_info_read, gensym("read"), A_SYMBOL, 0);
!   class_sethelpsymbol(soundfile_info_class, gensym("iemhelp/help-soundfile_info"));
! }
Index: sigpeakenv.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/sigpeakenv.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** sigpeakenv.c	9 Mar 2005 17:15:59 -0000	1.2
--- sigpeakenv.c	2 Jun 2005 18:23:54 -0000	1.3
***************
*** 1,102 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ---------------- peakenv~ - simple peak-envelope-converter. ----------------- */
! 
! typedef struct sigpeakenv
! {
! 	t_object	x_obj;
! 	float	   x_sr;
! 	float	   x_old_peak;
! 	float	   x_c1;
! 	float	   x_releasetime;
! 	float	   x_msi;
! } t_sigpeakenv;
! 
! t_class *sigpeakenv_class;
! 
! static void sigpeakenv_reset(t_sigpeakenv *x)
! {
! 	x->x_old_peak = 0.0f;
! }
! 
! static void sigpeakenv_ft1(t_sigpeakenv *x, t_floatarg f)/* release-time in ms */
! {
! 	if(f < 0.0f)
! 		f = 0.0f;
! 	x->x_releasetime = f;
! 	x->x_c1 = exp(-1.0/(x->x_sr*0.001*x->x_releasetime));
! }
! 
! static t_int *sigpeakenv_perform(t_int *w)
! {
! 	float *in = (float *)(w[1]);
! 	float *out = (float *)(w[2]);
! 	t_sigpeakenv *x = (t_sigpeakenv *)(w[3]);
! 	int n = (int)(w[4]);
! 	float peak = x->x_old_peak;
! 	float c1 = x->x_c1;
! 	float absolute;
! 	int i;
! 
! 	for(i=0; i<n; i++)
! 	{
! 		absolute = fabs(*in++);
! 		peak *= c1;
! 		if(absolute > peak)
! 			peak = absolute;
! 		*out++ = peak;
! 	}
! 	/* NAN protect */
! 	if(IEM_DENORMAL(peak))
! 		peak = 0.0f;
! 	x->x_old_peak = peak;
! 	return(w+5);
! }
! 
! static void sigpeakenv_dsp(t_sigpeakenv *x, t_signal **sp)
! {
! 	x->x_sr = (float)sp[0]->s_sr;
! 	sigpeakenv_ft1(x, x->x_releasetime);
! 	dsp_add(sigpeakenv_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
! }
! 
! static void *sigpeakenv_new(t_floatarg f)
! {
! 	t_sigpeakenv *x = (t_sigpeakenv *)pd_new(sigpeakenv_class);
! 
! 	if(f <= 0.0f)
! 		f = 0.0f;
! 	x->x_sr = 44100.0f;
! 	sigpeakenv_ft1(x, f);
! 	x->x_old_peak = 0.0f;
! 	inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
! 	outlet_new(&x->x_obj, &s_signal);
! 	x->x_msi = 0;
! 	return(x);
! }
! 
! void sigpeakenv_setup(void)
! {
! 	sigpeakenv_class = class_new(gensym("peakenv~"), (t_newmethod)sigpeakenv_new,
! 				 0, sizeof(t_sigpeakenv), 0, A_DEFFLOAT, 0);
! 	CLASS_MAINSIGNALIN(sigpeakenv_class, t_sigpeakenv, x_msi);
! 	class_addmethod(sigpeakenv_class, (t_method)sigpeakenv_dsp, gensym("dsp"), 0);
! 	class_addmethod(sigpeakenv_class, (t_method)sigpeakenv_ft1, gensym("ft1"), A_FLOAT, 0);
! 	class_addmethod(sigpeakenv_class, (t_method)sigpeakenv_reset, gensym("reset"), 0);
! 	class_sethelpsymbol(sigpeakenv_class, gensym("iemhelp/help-peakenv~"));
! }
--- 1,102 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ---------------- peakenv~ - simple peak-envelope-converter. ----------------- */
! 
! typedef struct sigpeakenv
! {
!   t_object x_obj;
!   float    x_sr;
!   float    x_old_peak;
!   float    x_c1;
!   float    x_releasetime;
!   float    x_msi;
! } t_sigpeakenv;
! 
! t_class *sigpeakenv_class;
! 
! static void sigpeakenv_reset(t_sigpeakenv *x)
! {
!   x->x_old_peak = 0.0f;
! }
! 
! static void sigpeakenv_ft1(t_sigpeakenv *x, t_floatarg f)/* release-time in ms */
! {
!   if(f < 0.0f)
!     f = 0.0f;
!   x->x_releasetime = f;
!   x->x_c1 = exp(-1.0/(x->x_sr*0.001*x->x_releasetime));
! }
! 
! static t_int *sigpeakenv_perform(t_int *w)
! {
!   float *in = (float *)(w[1]);
!   float *out = (float *)(w[2]);
!   t_sigpeakenv *x = (t_sigpeakenv *)(w[3]);
!   int n = (int)(w[4]);
!   float peak = x->x_old_peak;
!   float c1 = x->x_c1;
!   float absolute;
!   int i;
!   
!   for(i=0; i<n; i++)
!   {
!     absolute = fabs(*in++);
!     peak *= c1;
!     if(absolute > peak)
!       peak = absolute;
!     *out++ = peak;
!   }
!   /* NAN protect */
!   if(IEM_DENORMAL(peak))
!     peak = 0.0f;
!   x->x_old_peak = peak;
!   return(w+5);
! }
! 
! static void sigpeakenv_dsp(t_sigpeakenv *x, t_signal **sp)
! {
!   x->x_sr = (float)sp[0]->s_sr;
!   sigpeakenv_ft1(x, x->x_releasetime);
!   dsp_add(sigpeakenv_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
! }
! 
! static void *sigpeakenv_new(t_floatarg f)
! {
!   t_sigpeakenv *x = (t_sigpeakenv *)pd_new(sigpeakenv_class);
!   
!   if(f <= 0.0f)
!     f = 0.0f;
!   x->x_sr = 44100.0f;
!   sigpeakenv_ft1(x, f);
!   x->x_old_peak = 0.0f;
!   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
!   outlet_new(&x->x_obj, &s_signal);
!   x->x_msi = 0;
!   return(x);
! }
! 
! void sigpeakenv_setup(void)
! {
!   sigpeakenv_class = class_new(gensym("peakenv~"), (t_newmethod)sigpeakenv_new,
!     0, sizeof(t_sigpeakenv), 0, A_DEFFLOAT, 0);
!   CLASS_MAINSIGNALIN(sigpeakenv_class, t_sigpeakenv, x_msi);
!   class_addmethod(sigpeakenv_class, (t_method)sigpeakenv_dsp, gensym("dsp"), 0);
!   class_addmethod(sigpeakenv_class, (t_method)sigpeakenv_ft1, gensym("ft1"), A_FLOAT, 0);
!   class_addmethod(sigpeakenv_class, (t_method)sigpeakenv_reset, gensym("reset"), 0);
!   class_sethelpsymbol(sigpeakenv_class, gensym("iemhelp/help-peakenv~"));
! }
Index: iemlib1.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/iemlib1.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** iemlib1.c	18 May 2004 21:33:29 -0000	1.1.1.1
--- iemlib1.c	2 Jun 2005 18:23:54 -0000	1.2
***************
*** 1,82 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! 
! static t_class *iemlib1_class;
! 
! static void *iemlib1_new(void)
! {
! 	t_object *x = (t_object *)pd_new(iemlib1_class);
! 
! 	return (x);
! }
! 
! void biquad_freq_resp_setup(void);
! void db2v_setup(void);
! void f2note_setup(void);
! void forpp_setup(void);
! void gate_setup(void);
! void sigfilter_setup(void);
! void sigFIR_setup(void);
! void sighml_shelf_setup(void);
! void sigiem_cot4_setup(void);
! void sigiem_delay_setup(void);
! void sigiem_sqrt4_setup(void);
! void sigiem_pow4_setup(void);
! void siglp1_t_setup(void);
! void sigmov_avrg_kern_setup(void);
! void sigpara_bp2_setup(void);
! void sigpeakenv_setup(void);
! void sigprvu_setup(void);
! void sigpvu_setup(void);
! void sigrvu_setup(void);
! void sigsin_phase_setup(void);
! void sigvcf_filter_setup(void);
! void soundfile_info_setup(void);
! void split_setup(void);
! void v2db_setup(void);
! 
! /* ------------------------ setup routine ------------------------- */
! 
! void iemlib1_setup(void)
! {
! 	iemlib1_class = class_new(gensym("iemlib1"), iemlib1_new, 0,
! 		sizeof(t_object), CLASS_NOINLET, 0);
! 
! 	biquad_freq_resp_setup();
! 	db2v_setup();
! 	f2note_setup();
! 	forpp_setup();
! 	gate_setup();
! 	sigfilter_setup();
! 	sigFIR_setup();
! 	sighml_shelf_setup();
! 	sigiem_cot4_setup();
! 	sigiem_delay_setup();
! 	sigiem_sqrt4_setup();
! 	sigiem_pow4_setup();
! 	siglp1_t_setup();
! 	sigmov_avrg_kern_setup();
! 	sigpara_bp2_setup();
! 	sigpeakenv_setup();
! 	sigprvu_setup();
! 	sigpvu_setup();
! 	sigrvu_setup();
! 	sigsin_phase_setup();
! 	sigvcf_filter_setup();
! 	soundfile_info_setup();
! 	split_setup();
! 	v2db_setup();
! 
! 	post("iemlib1 (R-1.15) library loaded!");
! }
--- 1,83 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! 
! static t_class *iemlib1_class;
! 
! static void *iemlib1_new(void)
! {
!   t_object *x = (t_object *)pd_new(iemlib1_class);
!   
!   return (x);
! }
! 
! void biquad_freq_resp_setup(void);
! void db2v_setup(void);
! void f2note_setup(void);
! void forpp_setup(void);
! void gate_setup(void);
! void sigfilter_setup(void);
! void sigFIR_setup(void);
! void sighml_shelf_setup(void);
! void sigiem_cot4_setup(void);
! void sigiem_delay_setup(void);
! void sigiem_sqrt4_setup(void);
! void sigiem_pow4_setup(void);
! void siglp1_t_setup(void);
! void sigmov_avrg_kern_setup(void);
! void sigpara_bp2_setup(void);
! void sigpeakenv_setup(void);
! void sigprvu_setup(void);
! void sigpvu_setup(void);
! void sigrvu_setup(void);
! void sigsin_phase_setup(void);
! void sigvcf_filter_setup(void);
! void soundfile_info_setup(void);
! void split_setup(void);
! void v2db_setup(void);
! 
! /* ------------------------ setup routine ------------------------- */
! 
! void iemlib1_setup(void)
! {
!   iemlib1_class = class_new(gensym("iemlib1"), iemlib1_new, 0,
!     sizeof(t_object), CLASS_NOINLET, 0);
!   
!   biquad_freq_resp_setup();
!   db2v_setup();
!   f2note_setup();
!   forpp_setup();
!   gate_setup();
!   sigfilter_setup();
!   sigFIR_setup();
!   sighml_shelf_setup();
!   sigiem_cot4_setup();
!   sigiem_delay_setup();
!   sigiem_sqrt4_setup();
!   sigiem_pow4_setup();
!   siglp1_t_setup();
!   sigmov_avrg_kern_setup();
!   sigpara_bp2_setup();
!   sigpeakenv_setup();
!   sigprvu_setup();
!   sigpvu_setup();
!   sigrvu_setup();
!   sigsin_phase_setup();
!   sigvcf_filter_setup();
!   soundfile_info_setup();
!   split_setup();
!   v2db_setup();
!   
! 	post("iemlib1 (R-1.16) library loaded!   (c) Thomas Musil 05.2005");
! 	post("   musil%ciem.at iem KUG Graz Austria", '@');
! }
Index: biquad_freq_resp.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/biquad_freq_resp.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** biquad_freq_resp.c	9 Mar 2005 17:15:59 -0000	1.2
--- biquad_freq_resp.c	2 Jun 2005 18:23:54 -0000	1.3
***************
*** 1,92 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* --------------------------- biquad_freq_resp ----------------------------- */
! 
! typedef struct _biquad_freq_resp
! {
! 	t_object	x_obj;
! 	float			a0;
! 	float			a1;
! 	float			a2;
! 	float			b1;
! 	float			b2;
! 	t_outlet	*x_out_re;
! 	t_outlet	*x_out_im;
! } t_biquad_freq_resp;
! 
! static t_class *biquad_freq_resp_class;
! 
! static void biquad_freq_resp_float(t_biquad_freq_resp *x, t_float f)
! {
! 	float re1, im1, re2, im2;
! 	float c, s, a;
! 
! 	if(f < 0.0f)
! 		f = 0.0f;
! 	else if(f > 180.0f)
! 		f = 180.0;
! 	f *= 3.14159265f;
! 	f /= 180.0f;
! 
! 	c = cos(f);
! 	s = sin(f);
! 
! 	re1 = x->a0 + x->a1*c + x->a2*(c*c - s*s);
! 	im1 = x->a1*s + x->a2*2.0f*(s*c);
! 	re2 = 1.0f - x->b1*c - x->b2*(c*c - s*s);
! 	im2 = -x->b1*s - x->b2*2.0f*(s*c);
! 	a = re2*re2 + im2*im2;
! 	outlet_float(x->x_out_im, (re1*im2 - re2*im1)/a);/* because z^-1 = e^-jwt, negative sign */
! 	outlet_float(x->x_out_re, (re1*re2 + im1*im2)/a);
! 	
! }
! /* y/x = (a0 + a1*z-1 + a2*z-2)/(1 - b1*z-1 - b2*z-2);*/
! 
! static void biquad_freq_resp_list(t_biquad_freq_resp *x, t_symbol *s, int argc, t_atom *argv)
! {
! 	if((argc == 5)&&IS_A_FLOAT(argv,4)&&IS_A_FLOAT(argv,3)&&IS_A_FLOAT(argv,2)&&IS_A_FLOAT(argv,1)&&IS_A_FLOAT(argv,0))
! 	{
! 		x->b1 = (float)atom_getfloatarg(0, argc, argv);
! 		x->b2 = (float)atom_getfloatarg(1, argc, argv);
! 		x->a0 = (float)atom_getfloatarg(2, argc, argv);
! 		x->a1 = (float)atom_getfloatarg(3, argc, argv);
! 		x->a2 = (float)atom_getfloatarg(4, argc, argv);
! 	}
! }
! 
! static void *biquad_freq_resp_new(void)
! {
! 	t_biquad_freq_resp *x = (t_biquad_freq_resp *)pd_new(biquad_freq_resp_class);
! 	x->x_out_re = outlet_new(&x->x_obj, &s_float);
! 	x->x_out_im = outlet_new(&x->x_obj, &s_float);
! 	x->b1 = 0.0f;
! 	x->b2 = 0.0f;
! 	x->a0 = 0.0f;
! 	x->a1 = 0.0f;
! 	x->a2 = 0.0f;
! 	return (x);
! }
! 
! void biquad_freq_resp_setup(void)
! {
!     biquad_freq_resp_class = class_new(gensym("biquad_freq_resp"), (t_newmethod)biquad_freq_resp_new, 0,
!     	sizeof(t_biquad_freq_resp), 0, 0);
!     class_addfloat(biquad_freq_resp_class, biquad_freq_resp_float);
! 		class_addlist(biquad_freq_resp_class, (t_method)biquad_freq_resp_list);
!     class_sethelpsymbol(biquad_freq_resp_class, gensym("iemhelp/help-biquad_freq_resp"));
! }
--- 1,93 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ------------------------ biquad_freq_resp ------------------- */
! /* -- calculates the frequency responce of a biquad structure -- */
! 
! typedef struct _biquad_freq_resp
! {
!   t_object  x_obj;
!   float     a0;
!   float     a1;
!   float     a2;
!   float     b1;
!   float     b2;
!   t_outlet  *x_out_re;
!   t_outlet  *x_out_im;
! } t_biquad_freq_resp;
! 
! static t_class *biquad_freq_resp_class;
! 
! static void biquad_freq_resp_float(t_biquad_freq_resp *x, t_float f)
! {
!   float re1, im1, re2, im2;
!   float c, s, a;
!   
!   if(f < 0.0f)
!     f = 0.0f;
!   else if(f > 180.0f)
!     f = 180.0;
!   f *= 3.14159265f;
!   f /= 180.0f;
!   
!   c = cos(f);
!   s = sin(f);
!   
!   re1 = x->a0 + x->a1*c + x->a2*(c*c - s*s);
!   im1 = x->a1*s + x->a2*2.0f*(s*c);
!   re2 = 1.0f - x->b1*c - x->b2*(c*c - s*s);
!   im2 = -x->b1*s - x->b2*2.0f*(s*c);
!   a = re2*re2 + im2*im2;
!   outlet_float(x->x_out_im, (re1*im2 - re2*im1)/a);/* because z^-1 = e^-jwt, negative sign */
!   outlet_float(x->x_out_re, (re1*re2 + im1*im2)/a);
!   
! }
! /* y/x = (a0 + a1*z-1 + a2*z-2)/(1 - b1*z-1 - b2*z-2);*/
! 
! static void biquad_freq_resp_list(t_biquad_freq_resp *x, t_symbol *s, int argc, t_atom *argv)
! {
!   if((argc == 5)&&IS_A_FLOAT(argv,4)&&IS_A_FLOAT(argv,3)&&IS_A_FLOAT(argv,2)&&IS_A_FLOAT(argv,1)&&IS_A_FLOAT(argv,0))
!   {
!     x->b1 = (float)atom_getfloatarg(0, argc, argv);
!     x->b2 = (float)atom_getfloatarg(1, argc, argv);
!     x->a0 = (float)atom_getfloatarg(2, argc, argv);
!     x->a1 = (float)atom_getfloatarg(3, argc, argv);
!     x->a2 = (float)atom_getfloatarg(4, argc, argv);
!   }
! }
! 
! static void *biquad_freq_resp_new(void)
! {
!   t_biquad_freq_resp *x = (t_biquad_freq_resp *)pd_new(biquad_freq_resp_class);
!   x->x_out_re = outlet_new(&x->x_obj, &s_float);
!   x->x_out_im = outlet_new(&x->x_obj, &s_float);
!   x->b1 = 0.0f;
!   x->b2 = 0.0f;
!   x->a0 = 0.0f;
!   x->a1 = 0.0f;
!   x->a2 = 0.0f;
!   return (x);
! }
! 
! void biquad_freq_resp_setup(void)
! {
!   biquad_freq_resp_class = class_new(gensym("biquad_freq_resp"), (t_newmethod)biquad_freq_resp_new, 0,
!     sizeof(t_biquad_freq_resp), 0, 0);
!   class_addfloat(biquad_freq_resp_class, biquad_freq_resp_float);
!     class_addlist(biquad_freq_resp_class, (t_method)biquad_freq_resp_list);
!     class_sethelpsymbol(biquad_freq_resp_class, gensym("iemhelp/help-biquad_freq_resp"));
! }
Index: sigsin_phase.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/sigsin_phase.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** sigsin_phase.c	18 May 2004 21:33:30 -0000	1.1.1.1
--- sigsin_phase.c	2 Jun 2005 18:23:54 -0000	1.2
***************
*** 1,129 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! 
! /* --- sin_phase~ - output the phase-difference between 2 sinewaves in samples (sig) ---- */
! 
! typedef struct sigsin_phase
! {
! 	t_object x_obj;
! 	float x_prev1;
! 	float x_prev2;
! 	float x_cur_out;
! 	int	  x_counter1;
! 	int	  x_counter2;
! 	int		x_state1;
! 	int		x_state2;
! 	float	x_msi;
! } t_sigsin_phase;
! 
! t_class *sigsin_phase_class;
! 
! static t_int *sigsin_phase_perform(t_int *w)
! {
! 	float *in1 = (float *)(w[1]);
! 	float *in2 = (float *)(w[2]);
! 	float *out = (float *)(w[3]);
! 	t_sigsin_phase *x = (t_sigsin_phase *)(w[4]);
! 	int i, n = (t_int)(w[5]);
! 	float prev1=x->x_prev1;
! 	float prev2=x->x_prev2;
! 	float cur_out=x->x_cur_out;
! 	int counter1=x->x_counter1;
! 	int counter2=x->x_counter2;
! 	int state1=x->x_state1;
! 	int state2=x->x_state2;
! 
! 	for(i=0; i<n; i++)
! 	{
! 		if((in1[i] >= 0.0f) && (prev1 < 0.0f))
! 		{
! 			state1 = 1;
! 			counter1 = 0;
! 		}
! 		else if((in1[i] < 0.0f) && (prev1 >= 0.0f))
! 		{
! 			state2 = 1;
! 			counter2 = 0;
! 		}
! 
! 		if((in2[i] >= 0.0f) && (prev2 < 0.0f))
! 		{
! 			state1 = 0;
! 			cur_out = (float)(counter1);
! 			counter1 = 0;
! 		}
! 		else if((in2[i] < 0.0f) && (prev2 >= 0.0f))
! 		{
! 			state2 = 0;
! 			cur_out = (float)(counter2);
! 			counter2 = 0;
! 		}
! 
! 		if(state1)
! 			counter1++;
! 		if(state2)
! 			counter2++;
! 
! 		prev1 = in1[i];
! 		prev2 = in2[i];
! 		out[i] = cur_out;
! 	}
! 
! 	x->x_prev1 = prev1;
! 	x->x_prev2 = prev2;
! 	x->x_cur_out = cur_out;
! 	x->x_counter1 = counter1;
! 	x->x_counter2 = counter2;
! 	x->x_state1 = state1;
! 	x->x_state2 = state2;
! 
! 	return(w+6);
! }
! 
! static void sigsin_phase_dsp(t_sigsin_phase *x, t_signal **sp)
! {
! 	dsp_add(sigsin_phase_perform, 5, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, x, sp[0]->s_n);
! }
! 
! static void *sigsin_phase_new(void)
! {
! 	t_sigsin_phase *x = (t_sigsin_phase *)pd_new(sigsin_phase_class);
! 
! 	inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
! 	outlet_new(&x->x_obj, &s_signal);
! 
! 	x->x_prev1 = 0.0f;
! 	x->x_prev2 = 0.0f;
! 	x->x_cur_out = 0.0f;
! 	x->x_counter1 = 0;
! 	x->x_counter2 = 0;
! 	x->x_state1 = 0;
! 	x->x_state2 = 0;
! 	x->x_msi = 0;
! 
! 	return (x);
! }
! 
! void sigsin_phase_setup(void)
! {
! 	sigsin_phase_class = class_new(gensym("sin_phase~"), (t_newmethod)sigsin_phase_new,
! 				0, sizeof(t_sigsin_phase), 0, 0);
! 	CLASS_MAINSIGNALIN(sigsin_phase_class, t_sigsin_phase, x_msi);
! 	class_addmethod(sigsin_phase_class, (t_method)sigsin_phase_dsp, gensym("dsp"), 0);
! 	class_sethelpsymbol(sigsin_phase_class, gensym("iemhelp/help-sin_phase~"));
! }
--- 1,129 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! 
! /* --- sin_phase~ - output the phase-difference between 2 sinewaves in samples (sig) ---- */
! 
! typedef struct sigsin_phase
! {
!   t_object x_obj;
!   float    x_prev1;
!   float    x_prev2;
!   float    x_cur_out;
!   int      x_counter1;
!   int      x_counter2;
!   int      x_state1;
!   int      x_state2;
!   float    x_msi;
! } t_sigsin_phase;
! 
! t_class *sigsin_phase_class;
! 
! static t_int *sigsin_phase_perform(t_int *w)
! {
!   float *in1 = (float *)(w[1]);
!   float *in2 = (float *)(w[2]);
!   float *out = (float *)(w[3]);
!   t_sigsin_phase *x = (t_sigsin_phase *)(w[4]);
!   int i, n = (t_int)(w[5]);
!   float prev1=x->x_prev1;
!   float prev2=x->x_prev2;
!   float cur_out=x->x_cur_out;
!   int counter1=x->x_counter1;
!   int counter2=x->x_counter2;
!   int state1=x->x_state1;
!   int state2=x->x_state2;
!   
!   for(i=0; i<n; i++)
!   {
!     if((in1[i] >= 0.0f) && (prev1 < 0.0f))
!     {
!       state1 = 1;
!       counter1 = 0;
!     }
!     else if((in1[i] < 0.0f) && (prev1 >= 0.0f))
!     {
!       state2 = 1;
!       counter2 = 0;
!     }
!     
!     if((in2[i] >= 0.0f) && (prev2 < 0.0f))
!     {
!       state1 = 0;
!       cur_out = (float)(counter1);
!       counter1 = 0;
!     }
!     else if((in2[i] < 0.0f) && (prev2 >= 0.0f))
!     {
!       state2 = 0;
!       cur_out = (float)(counter2);
!       counter2 = 0;
!     }
!     
!     if(state1)
!       counter1++;
!     if(state2)
!       counter2++;
!     
!     prev1 = in1[i];
!     prev2 = in2[i];
!     out[i] = cur_out;
!   }
!   
!   x->x_prev1 = prev1;
!   x->x_prev2 = prev2;
!   x->x_cur_out = cur_out;
!   x->x_counter1 = counter1;
!   x->x_counter2 = counter2;
!   x->x_state1 = state1;
!   x->x_state2 = state2;
!   
!   return(w+6);
! }
! 
! static void sigsin_phase_dsp(t_sigsin_phase *x, t_signal **sp)
! {
!   dsp_add(sigsin_phase_perform, 5, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, x, sp[0]->s_n);
! }
! 
! static void *sigsin_phase_new(void)
! {
!   t_sigsin_phase *x = (t_sigsin_phase *)pd_new(sigsin_phase_class);
!   
!   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
!   outlet_new(&x->x_obj, &s_signal);
!   
!   x->x_prev1 = 0.0f;
!   x->x_prev2 = 0.0f;
!   x->x_cur_out = 0.0f;
!   x->x_counter1 = 0;
!   x->x_counter2 = 0;
!   x->x_state1 = 0;
!   x->x_state2 = 0;
!   x->x_msi = 0;
!   
!   return (x);
! }
! 
! void sigsin_phase_setup(void)
! {
!   sigsin_phase_class = class_new(gensym("sin_phase~"), (t_newmethod)sigsin_phase_new,
!         0, sizeof(t_sigsin_phase), 0, 0);
!   CLASS_MAINSIGNALIN(sigsin_phase_class, t_sigsin_phase, x_msi);
!   class_addmethod(sigsin_phase_class, (t_method)sigsin_phase_dsp, gensym("dsp"), 0);
!   class_sethelpsymbol(sigsin_phase_class, gensym("iemhelp/help-sin_phase~"));
! }
Index: sigrvu.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/sigrvu.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** sigrvu.c	9 Mar 2005 17:15:59 -0000	1.2
--- sigrvu.c	2 Jun 2005 18:23:54 -0000	1.3
***************
*** 1,187 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ---------------- rvu~ - simple peak&rms-vu-meter. ----------------- */
! 
! typedef struct sigrvu
! {
! 	t_object	x_obj;
! 	void			*x_clock_metro;
! 	int				x_metro_time;
! 	float			x_sum_rms;
! 	float			x_old_rms;
! 	float			x_rcp;
! 	float			x_sr;
! 	float			x_release_time;
! 	float			x_c1;
! 	int				x_started;
! 	float			x_msi;
! } t_sigrvu;
! 
! t_class *sigrvu_class;
! static void sigrvu_tick_metro(t_sigrvu *x);
! 
! static void sigrvu_reset(t_sigrvu *x)
! {
! 	outlet_float(x->x_obj.ob_outlet, -99.9f);
! 	x->x_sum_rms = 0.0f;
! 	x->x_old_rms = 0.0f;
! 	clock_delay(x->x_clock_metro, x->x_metro_time);
! }
! 
! static void sigrvu_stop(t_sigrvu *x)
! {
! 	clock_unset(x->x_clock_metro);
! 	x->x_started = 0;
! }
! 
! static void sigrvu_start(t_sigrvu *x)
! {
! 	clock_delay(x->x_clock_metro, x->x_metro_time);
! 	x->x_started = 1;
! }
! 
! static void sigrvu_float(t_sigrvu *x, t_floatarg f)
! {
! 	if(f == 0.0)
! 	{
! 		clock_unset(x->x_clock_metro);
! 		x->x_started = 0;
! 	}
! 	else
! 	{
! 		clock_delay(x->x_clock_metro, x->x_metro_time);
! 		x->x_started = 1;
! 	}
! }
! 
! static void sigrvu_t_release(t_sigrvu *x, t_floatarg release_time)
! {
! 	if(release_time <= 20.0f)
! 		release_time = 20.0f;
! 	x->x_release_time = release_time;
! 	x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
! }
! 
! static void sigrvu_t_metro(t_sigrvu *x, t_floatarg metro_time)
! {
! 	if(metro_time <= 20.0f)
! 		metro_time = 20.0f;
! 	x->x_metro_time = (int)metro_time;
! 	x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
! 	x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
! }
! 
! static t_int *sigrvu_perform(t_int *w)
! {
! 	float *in = (float *)(w[1]);
! 	t_sigrvu *x = (t_sigrvu *)(w[2]);
! 	int n = (int)(w[3]);
! 	float pow, sum=x->x_sum_rms;
! 	int i;
! 
! 	if(x->x_started)
! 	{
! 		for(i=0; i<n; i++)
! 		{
! 			sum += in[i]*in[i];
! 		}
! 		x->x_sum_rms = sum;
! 	}
! 	return(w+4);
! }
! 
! static void sigrvu_dsp(t_sigrvu *x, t_signal **sp)
! {
! 	x->x_sr = 0.001*(float)sp[0]->s_sr;
! 	x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
! 	dsp_add(sigrvu_perform, 3, sp[0]->s_vec, x, sp[0]->s_n);
! 	clock_delay(x->x_clock_metro, x->x_metro_time);
! }
! 
! static void sigrvu_tick_metro(t_sigrvu *x)
! {
! 	float dbr, cur_rms, c1=x->x_c1;
! 
! 	cur_rms = (1.0f - c1)*x->x_sum_rms*x->x_rcp + c1*x->x_old_rms;
! 	/* NAN protect */
! 	if(IEM_DENORMAL(cur_rms))
! 		cur_rms = 0.0f;
! 
! 	if(cur_rms <= 0.0000000001f)
! 		dbr = -99.9f;
! 	else if(cur_rms > 1000000.0f)
! 	{
! 		dbr = 60.0f;
! 		x->x_old_rms = 1000000.0f;
! 	}
! 	else
! 		dbr = 4.3429448195f*log(cur_rms);
! 	x->x_sum_rms = 0.0f;
! 	x->x_old_rms = cur_rms;
! 	outlet_float(x->x_obj.ob_outlet, dbr);
! 	clock_delay(x->x_clock_metro, x->x_metro_time);
! }
! 
! static void sigrvu_ff(t_sigrvu *x)
! {
! 	clock_free(x->x_clock_metro);
! }
! 
! static void *sigrvu_new(t_floatarg metro_time, t_floatarg release_time)
! {
! 	t_sigrvu *x=(t_sigrvu *)pd_new(sigrvu_class);
! 	float t;
! 	int i;
! 
! 	if(metro_time <= 0.0f)
! 		metro_time = 300.0f;
! 	if(metro_time <= 20.0f)
! 		metro_time = 20.0f;
! 	if(release_time <= 0.0f)
! 		release_time = 300.0f;
! 	if(release_time <= 20.0f)
! 		release_time = 20.0f;
! 	x->x_metro_time = (int)metro_time;
! 	x->x_release_time = release_time;
! 	x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
! 	x->x_sum_rms = 0.0f;
! 	x->x_old_rms = 0.0f;
! 	x->x_sr = 44.1f;
! 	x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
! 	x->x_clock_metro = clock_new(x, (t_method)sigrvu_tick_metro);
! 	x->x_started = 1;
! 	outlet_new(&x->x_obj, &s_float);
! 	x->x_msi = 0.0f;
! 	return(x);
! }
! 
! void sigrvu_setup(void)
! {
! 	sigrvu_class = class_new(gensym("rvu~"), (t_newmethod)sigrvu_new,
! 				  (t_method)sigrvu_ff, sizeof(t_sigrvu), 0,
! 				  A_DEFFLOAT, A_DEFFLOAT, 0);
! 	CLASS_MAINSIGNALIN(sigrvu_class, t_sigrvu, x_msi);
! 	class_addmethod(sigrvu_class, (t_method)sigrvu_dsp, gensym("dsp"), 0);
! 	class_addfloat(sigrvu_class, sigrvu_float);
! 	class_addmethod(sigrvu_class, (t_method)sigrvu_reset, gensym("reset"), 0);
! 	class_addmethod(sigrvu_class, (t_method)sigrvu_start, gensym("start"), 0);
! 	class_addmethod(sigrvu_class, (t_method)sigrvu_stop, gensym("stop"), 0);
! 	class_addmethod(sigrvu_class, (t_method)sigrvu_t_release, gensym("t_release"), A_FLOAT, 0);
! 	class_addmethod(sigrvu_class, (t_method)sigrvu_t_metro, gensym("t_metro"), A_FLOAT, 0);
! 	class_sethelpsymbol(sigrvu_class, gensym("iemhelp/help-rvu~"));
! }
--- 1,187 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ---------------- rvu~ - simple peak&rms-vu-meter. ----------------- */
! 
! typedef struct sigrvu
! {
!   t_object  x_obj;
!   void      *x_clock_metro;
!   int       x_metro_time;
!   float     x_sum_rms;
!   float     x_old_rms;
!   float     x_rcp;
!   float     x_sr;
!   float     x_release_time;
!   float     x_c1;
!   int       x_started;
!   float     x_msi;
! } t_sigrvu;
! 
! t_class *sigrvu_class;
! static void sigrvu_tick_metro(t_sigrvu *x);
! 
! static void sigrvu_reset(t_sigrvu *x)
! {
!   outlet_float(x->x_obj.ob_outlet, -99.9f);
!   x->x_sum_rms = 0.0f;
!   x->x_old_rms = 0.0f;
!   clock_delay(x->x_clock_metro, x->x_metro_time);
! }
! 
! static void sigrvu_stop(t_sigrvu *x)
! {
!   clock_unset(x->x_clock_metro);
!   x->x_started = 0;
! }
! 
! static void sigrvu_start(t_sigrvu *x)
! {
!   clock_delay(x->x_clock_metro, x->x_metro_time);
!   x->x_started = 1;
! }
! 
! static void sigrvu_float(t_sigrvu *x, t_floatarg f)
! {
!   if(f == 0.0)
!   {
!     clock_unset(x->x_clock_metro);
!     x->x_started = 0;
!   }
!   else
!   {
!     clock_delay(x->x_clock_metro, x->x_metro_time);
!     x->x_started = 1;
!   }
! }
! 
! static void sigrvu_t_release(t_sigrvu *x, t_floatarg release_time)
! {
!   if(release_time <= 20.0f)
!     release_time = 20.0f;
!   x->x_release_time = release_time;
!   x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
! }
! 
! static void sigrvu_t_metro(t_sigrvu *x, t_floatarg metro_time)
! {
!   if(metro_time <= 20.0f)
!     metro_time = 20.0f;
!   x->x_metro_time = (int)metro_time;
!   x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
!   x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
! }
! 
! static t_int *sigrvu_perform(t_int *w)
! {
!   float *in = (float *)(w[1]);
!   t_sigrvu *x = (t_sigrvu *)(w[2]);
!   int n = (int)(w[3]);
!   float pow, sum=x->x_sum_rms;
!   int i;
!   
!   if(x->x_started)
!   {
!     for(i=0; i<n; i++)
!     {
!       sum += in[i]*in[i];
!     }
!     x->x_sum_rms = sum;
!   }
!   return(w+4);
! }
! 
! static void sigrvu_dsp(t_sigrvu *x, t_signal **sp)
! {
!   x->x_sr = 0.001*(float)sp[0]->s_sr;
!   x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
!   dsp_add(sigrvu_perform, 3, sp[0]->s_vec, x, sp[0]->s_n);
!   clock_delay(x->x_clock_metro, x->x_metro_time);
! }
! 
! static void sigrvu_tick_metro(t_sigrvu *x)
! {
!   float dbr, cur_rms, c1=x->x_c1;
!   
!   cur_rms = (1.0f - c1)*x->x_sum_rms*x->x_rcp + c1*x->x_old_rms;
!   /* NAN protect */
!   if(IEM_DENORMAL(cur_rms))
!     cur_rms = 0.0f;
!   
!   if(cur_rms <= 0.0000000001f)
!     dbr = -99.9f;
!   else if(cur_rms > 1000000.0f)
!   {
!     dbr = 60.0f;
!     x->x_old_rms = 1000000.0f;
!   }
!   else
!     dbr = 4.3429448195f*log(cur_rms);
!   x->x_sum_rms = 0.0f;
!   x->x_old_rms = cur_rms;
!   outlet_float(x->x_obj.ob_outlet, dbr);
!   clock_delay(x->x_clock_metro, x->x_metro_time);
! }
! 
! static void sigrvu_ff(t_sigrvu *x)
! {
!   clock_free(x->x_clock_metro);
! }
! 
! static void *sigrvu_new(t_floatarg metro_time, t_floatarg release_time)
! {
!   t_sigrvu *x=(t_sigrvu *)pd_new(sigrvu_class);
!   float t;
!   int i;
!   
!   if(metro_time <= 0.0f)
!     metro_time = 300.0f;
!   if(metro_time <= 20.0f)
!     metro_time = 20.0f;
!   if(release_time <= 0.0f)
!     release_time = 300.0f;
!   if(release_time <= 20.0f)
!     release_time = 20.0f;
!   x->x_metro_time = (int)metro_time;
!   x->x_release_time = release_time;
!   x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
!   x->x_sum_rms = 0.0f;
!   x->x_old_rms = 0.0f;
!   x->x_sr = 44.1f;
!   x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
!   x->x_clock_metro = clock_new(x, (t_method)sigrvu_tick_metro);
!   x->x_started = 1;
!   outlet_new(&x->x_obj, &s_float);
!   x->x_msi = 0.0f;
!   return(x);
! }
! 
! void sigrvu_setup(void)
! {
!   sigrvu_class = class_new(gensym("rvu~"), (t_newmethod)sigrvu_new,
!     (t_method)sigrvu_ff, sizeof(t_sigrvu), 0,
!     A_DEFFLOAT, A_DEFFLOAT, 0);
!   CLASS_MAINSIGNALIN(sigrvu_class, t_sigrvu, x_msi);
!   class_addmethod(sigrvu_class, (t_method)sigrvu_dsp, gensym("dsp"), 0);
!   class_addfloat(sigrvu_class, sigrvu_float);
!   class_addmethod(sigrvu_class, (t_method)sigrvu_reset, gensym("reset"), 0);
!   class_addmethod(sigrvu_class, (t_method)sigrvu_start, gensym("start"), 0);
!   class_addmethod(sigrvu_class, (t_method)sigrvu_stop, gensym("stop"), 0);
!   class_addmethod(sigrvu_class, (t_method)sigrvu_t_release, gensym("t_release"), A_FLOAT, 0);
!   class_addmethod(sigrvu_class, (t_method)sigrvu_t_metro, gensym("t_metro"), A_FLOAT, 0);
!   class_sethelpsymbol(sigrvu_class, gensym("iemhelp/help-rvu~"));
! }
Index: db2v.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/db2v.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** db2v.c	18 May 2004 21:33:28 -0000	1.1.1.1
--- db2v.c	2 Jun 2005 18:23:54 -0000	1.2
***************
*** 1,45 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ---------------- db2v - dB to value converter. ----------------- */
! 
! static t_class *db2v_class;
! 
! float db2v(float f)
! {
!     return (f <= -199.9 ? 0 : exp(0.11512925465 * f));
! }
! 
! static void db2v_float(t_object *x, t_float f)
! {
!     outlet_float(x->ob_outlet, db2v(f));
! }
! 
! static void *db2v_new(void)
! {
!     t_object *x = (t_object *)pd_new(db2v_class);
!     outlet_new(x, &s_float);
!     return (x);
! }
! 
! void db2v_setup(void)
! {
!     db2v_class = class_new(gensym("db2v"), db2v_new, 0,
!     	sizeof(t_object), 0, 0);
!     class_addfloat(db2v_class, (t_method)db2v_float);
!     class_sethelpsymbol(db2v_class, gensym("iemhelp/help-db2v"));
! }
--- 1,45 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* -------- db2v - a techn. dB to rms-value converter. --------- */
! 
! static t_class *db2v_class;
! 
! float db2v(float f)
! {
!   return (f <= -199.9 ? 0 : exp(0.11512925465 * f));
! }
! 
! static void db2v_float(t_object *x, t_float f)
! {
!   outlet_float(x->ob_outlet, db2v(f));
! }
! 
! static void *db2v_new(void)
! {
!   t_object *x = (t_object *)pd_new(db2v_class);
!   outlet_new(x, &s_float);
!   return (x);
! }
! 
! void db2v_setup(void)
! {
!   db2v_class = class_new(gensym("db2v"), db2v_new, 0,
!     sizeof(t_object), 0, 0);
!   class_addfloat(db2v_class, (t_method)db2v_float);
!   class_sethelpsymbol(db2v_class, gensym("iemhelp/help-db2v"));
! }
Index: sigiem_delay.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/sigiem_delay.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** sigiem_delay.c	18 May 2004 21:33:30 -0000	1.1.1.1
--- sigiem_delay.c	2 Jun 2005 18:23:54 -0000	1.2
***************
*** 1,208 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil (c) IEM KUG Graz Austria 2002 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* -------------------------- sigiem_delay~ ------------------------------ */
! static t_class *sigiem_delay_class;
! 
! #define IEMDELAY_DEF_VEC_SIZE 64
! 
! typedef struct _sigiem_delay
! {
! 	t_object	x_obj;
! 	int				x_mallocsize;
! 	t_float		x_max_delay_ms;
! 	t_float		x_current_delay_ms;
! 	t_float		*x_begmem1;
! 	t_float		*x_begmem2;
! 	int				x_writeindex;
! 	int				x_blocksize;
! 	int				x_delay_samples;
! 	t_float		x_sr;
! 	t_float		x_msi;
! } t_sigiem_delay;
! 
! static void sigiem_delay_cur_del(t_sigiem_delay *x, t_floatarg f)
! {
! 	if(f < 0.0f)
! 		f = 0.0f;
! 	else if(f > x->x_max_delay_ms)
! 		f = x->x_max_delay_ms;
! 	x->x_current_delay_ms = f;
! 	x->x_delay_samples = (int)(0.001f*x->x_sr * f + 0.5f);
! }
! 
! static t_int *sigiem_delay_perform(t_int *w)
! {
! 	t_float *in = (t_float *)(w[1]);
! 	t_float *out = (t_float *)(w[2]);
! 	t_sigiem_delay *x = (t_sigiem_delay *)(w[3]);
! 	int n=(int)(w[4]);
! 	int writeindex = x->x_writeindex;
! 	t_float *vec1, *vec2, *vec3;
! 
! 	vec1 = x->x_begmem1 + writeindex;
! 	vec2 = x->x_begmem2 + writeindex;
! 	vec3 = x->x_begmem2 + writeindex - x->x_delay_samples;
! 	writeindex += n;
! 	while(n--)
! 	{
! 		*vec1++ = *vec2++ = *in++;
! 		*out++ = *vec3++;
! 	}
! 	if(writeindex >= x->x_mallocsize)
! 	{
! 		writeindex -= x->x_mallocsize;
! 	}
! 	x->x_writeindex = writeindex;
! 	return(w+5);
! }
! 
! static t_int *sigiem_delay_perf8(t_int *w)
! {
! 	t_float *in = (t_float *)(w[1]);
! 	t_float *out = (t_float *)(w[2]);
! 	t_sigiem_delay *x = (t_sigiem_delay *)(w[3]);
! 	int i, n=(int)(w[4]);
! 	int writeindex = x->x_writeindex;
! 	t_float *vec1, *vec2;
! 
! 	vec1 = x->x_begmem1 + writeindex;
! 	vec2 = x->x_begmem2 + writeindex;
! 	for(i=0; i<n; i+=8)
! 	{
! 		*vec1++ = *vec2++ = *in++;
! 		*vec1++ = *vec2++ = *in++;
! 		*vec1++ = *vec2++ = *in++;
! 		*vec1++ = *vec2++ = *in++;
! 		*vec1++ = *vec2++ = *in++;
! 		*vec1++ = *vec2++ = *in++;
! 		*vec1++ = *vec2++ = *in++;
! 		*vec1++ = *vec2++ = *in++;
! 	}
! 	
! 	vec2 = x->x_begmem2 + writeindex - x->x_delay_samples;
! 	for(i=0; i<n; i+=8)
! 	{
! 		*out++ = *vec2++;
! 		*out++ = *vec2++;
! 		*out++ = *vec2++;
! 		*out++ = *vec2++;
! 		*out++ = *vec2++;
! 		*out++ = *vec2++;
! 		*out++ = *vec2++;
! 		*out++ = *vec2++;
! 	}
! 
! 	writeindex += n;
! 	if(writeindex >= x->x_mallocsize)
! 	{
! 		writeindex -= x->x_mallocsize;
! 	}
! 	x->x_writeindex = writeindex;
! 	return(w+5);
! }
! 
! static void sigiem_delay_dsp(t_sigiem_delay *x, t_signal **sp)
! {
! 	int blocksize = sp[0]->s_n, i;
! 
! 	if(!x->x_blocksize)/*first time*/
! 	{
! 		int nsamps = x->x_max_delay_ms * (t_float)sp[0]->s_sr * 0.001f;
! 
! 		if(nsamps < 1)
! 			nsamps = 1;
! 		nsamps += ((- nsamps) & (blocksize - 1));
! 		nsamps += blocksize;
! 		x->x_mallocsize = nsamps;
! 		x->x_begmem1 = (t_float *)getbytes(2 * x->x_mallocsize * sizeof(t_float));
! 		x->x_begmem2 = x->x_begmem1 + x->x_mallocsize;
! 		post("beginn = %x", (unsigned long)x->x_begmem1);
! 		x->x_writeindex = blocksize;
! 		x->x_sr = (t_float)sp[0]->s_sr;
! 		x->x_blocksize = blocksize;
! 		x->x_delay_samples = (int)(0.001f*x->x_sr * x->x_current_delay_ms + 0.5f);
! 	}
! 	else if((x->x_blocksize != blocksize) || ((t_float)sp[0]->s_sr != x->x_sr))
! 	{
! 		int nsamps = x->x_max_delay_ms * (t_float)sp[0]->s_sr * 0.001f;
! 
! 		if(nsamps < 1)
! 			nsamps = 1;
! 		nsamps += ((- nsamps) & (blocksize - 1));
! 		nsamps += blocksize;
! 		
! 		x->x_begmem1 = (t_float *)resizebytes(x->x_begmem1, 2*x->x_mallocsize*sizeof(t_float), 2*nsamps*sizeof(t_float));
! 		x->x_mallocsize = nsamps;
! 		x->x_begmem2 = x->x_begmem1 + x->x_mallocsize;
! 		post("beginn = %x", (unsigned long)x->x_begmem1);
! 		if(x->x_writeindex >= nsamps)
! 			x->x_writeindex -= nsamps;
! 		x->x_sr = (t_float)sp[0]->s_sr;
! 		x->x_blocksize = blocksize;
! 		x->x_delay_samples = (int)(0.001f*x->x_sr * x->x_current_delay_ms + 0.5f);
! 	}
! 	
! 	if(blocksize&7)
! 		dsp_add(sigiem_delay_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, blocksize);
! 	else
! 		dsp_add(sigiem_delay_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, blocksize);
! }
! 
! static void *sigiem_delay_new(t_floatarg max_delay_ms, t_floatarg current_delay_ms)
! {
! 	t_sigiem_delay *x = (t_sigiem_delay *)pd_new(sigiem_delay_class);
! 	int nsamps;
! 
! 	if(max_delay_ms < 2.0f)
! 		max_delay_ms = 2.0f;
! 	x->x_max_delay_ms = max_delay_ms;
! 	if(current_delay_ms < 0.0f)
! 		current_delay_ms = 0.0f;
! 	else if(current_delay_ms > max_delay_ms)
! 		current_delay_ms = max_delay_ms;
! 	x->x_current_delay_ms = current_delay_ms;
! 	nsamps = max_delay_ms * sys_getsr() * 0.001f;
! 	if(nsamps < 1)
! 		nsamps = 1;
! 	nsamps += ((- nsamps) & (IEMDELAY_DEF_VEC_SIZE - 1));
! 	nsamps += IEMDELAY_DEF_VEC_SIZE;
! 	x->x_mallocsize = nsamps;
! 	x->x_begmem1 = (t_float *)getbytes(2 * x->x_mallocsize * sizeof(t_float));
! 	x->x_begmem2 = x->x_begmem1 + x->x_mallocsize;
! 	x->x_writeindex = IEMDELAY_DEF_VEC_SIZE;
! 	x->x_blocksize = 0;
! 	x->x_sr = 0.0f;
! 	inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
! 	outlet_new(&x->x_obj, &s_signal);
! 	x->x_msi = 0.0f;
! 	return (x);
! }
! 
! static void sigiem_delay_free(t_sigiem_delay *x)
! {
! 	freebytes(x->x_begmem1, 2 * x->x_mallocsize * sizeof(t_float));
! }
! 
! void sigiem_delay_setup(void)
! {
! 	sigiem_delay_class = class_new(gensym("iem_delay~"), (t_newmethod)sigiem_delay_new, (t_method)sigiem_delay_free,
! 		sizeof(t_sigiem_delay), 0, A_DEFFLOAT, A_DEFFLOAT, 0);
! 	CLASS_MAINSIGNALIN(sigiem_delay_class, t_sigiem_delay, x_msi);
! 	class_addmethod(sigiem_delay_class, (t_method)sigiem_delay_dsp, gensym("dsp"), 0);
! 	class_addmethod(sigiem_delay_class, (t_method)sigiem_delay_cur_del, gensym("ft1"), A_FLOAT, 0);
! }
--- 1,209 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* -------------------------- sigiem_delay~ ------------------------------ */
! 
! static t_class *sigiem_delay_class;
! 
! #define IEMDELAY_DEF_VEC_SIZE 64
! 
! typedef struct _sigiem_delay
! {
!   t_object  x_obj;
!   int       x_mallocsize;
!   t_float   x_max_delay_ms;
!   t_float   x_current_delay_ms;
!   t_float   *x_begmem1;
!   t_float   *x_begmem2;
!   int       x_writeindex;
!   int       x_blocksize;
!   int       x_delay_samples;
!   t_float   x_sr;
!   t_float   x_msi;
! } t_sigiem_delay;
! 
! static void sigiem_delay_cur_del(t_sigiem_delay *x, t_floatarg f)
! {
!   if(f < 0.0f)
!     f = 0.0f;
!   else if(f > x->x_max_delay_ms)
!     f = x->x_max_delay_ms;
!   x->x_current_delay_ms = f;
!   x->x_delay_samples = (int)(0.001f*x->x_sr * f + 0.5f);
! }
! 
! static t_int *sigiem_delay_perform(t_int *w)
! {
!   t_float *in = (t_float *)(w[1]);
!   t_float *out = (t_float *)(w[2]);
!   t_sigiem_delay *x = (t_sigiem_delay *)(w[3]);
!   int n=(int)(w[4]);
!   int writeindex = x->x_writeindex;
!   t_float *vec1, *vec2, *vec3;
!   
!   vec1 = x->x_begmem1 + writeindex;
!   vec2 = x->x_begmem2 + writeindex;
!   vec3 = x->x_begmem2 + writeindex - x->x_delay_samples;
!   writeindex += n;
!   while(n--)
!   {
!     *vec1++ = *vec2++ = *in++;
!     *out++ = *vec3++;
!   }
!   if(writeindex >= x->x_mallocsize)
!   {
!     writeindex -= x->x_mallocsize;
!   }
!   x->x_writeindex = writeindex;
!   return(w+5);
! }
! 
! static t_int *sigiem_delay_perf8(t_int *w)
! {
!   t_float *in = (t_float *)(w[1]);
!   t_float *out = (t_float *)(w[2]);
!   t_sigiem_delay *x = (t_sigiem_delay *)(w[3]);
!   int i, n=(int)(w[4]);
!   int writeindex = x->x_writeindex;
!   t_float *vec1, *vec2;
!   
!   vec1 = x->x_begmem1 + writeindex;
!   vec2 = x->x_begmem2 + writeindex;
!   for(i=0; i<n; i+=8)
!   {
!     *vec1++ = *vec2++ = *in++;
!     *vec1++ = *vec2++ = *in++;
!     *vec1++ = *vec2++ = *in++;
!     *vec1++ = *vec2++ = *in++;
!     *vec1++ = *vec2++ = *in++;
!     *vec1++ = *vec2++ = *in++;
!     *vec1++ = *vec2++ = *in++;
!     *vec1++ = *vec2++ = *in++;
!   }
!   
!   vec2 = x->x_begmem2 + writeindex - x->x_delay_samples;
!   for(i=0; i<n; i+=8)
!   {
!     *out++ = *vec2++;
!     *out++ = *vec2++;
!     *out++ = *vec2++;
!     *out++ = *vec2++;
!     *out++ = *vec2++;
!     *out++ = *vec2++;
!     *out++ = *vec2++;
!     *out++ = *vec2++;
!   }
!   
!   writeindex += n;
!   if(writeindex >= x->x_mallocsize)
!   {
!     writeindex -= x->x_mallocsize;
!   }
!   x->x_writeindex = writeindex;
!   return(w+5);
! }
! 
! static void sigiem_delay_dsp(t_sigiem_delay *x, t_signal **sp)
! {
!   int blocksize = sp[0]->s_n, i;
!   
!   if(!x->x_blocksize)/*first time*/
!   {
!     int nsamps = x->x_max_delay_ms * (t_float)sp[0]->s_sr * 0.001f;
!     
!     if(nsamps < 1)
!       nsamps = 1;
!     nsamps += ((- nsamps) & (blocksize - 1));
!     nsamps += blocksize;
!     x->x_mallocsize = nsamps;
!     x->x_begmem1 = (t_float *)getbytes(2 * x->x_mallocsize * sizeof(t_float));
!     x->x_begmem2 = x->x_begmem1 + x->x_mallocsize;
!     post("beginn = %x", (unsigned long)x->x_begmem1);
!     x->x_writeindex = blocksize;
!     x->x_sr = (t_float)sp[0]->s_sr;
!     x->x_blocksize = blocksize;
!     x->x_delay_samples = (int)(0.001f*x->x_sr * x->x_current_delay_ms + 0.5f);
!   }
!   else if((x->x_blocksize != blocksize) || ((t_float)sp[0]->s_sr != x->x_sr))
!   {
!     int nsamps = x->x_max_delay_ms * (t_float)sp[0]->s_sr * 0.001f;
!     
!     if(nsamps < 1)
!       nsamps = 1;
!     nsamps += ((- nsamps) & (blocksize - 1));
!     nsamps += blocksize;
!     
!     x->x_begmem1 = (t_float *)resizebytes(x->x_begmem1, 2*x->x_mallocsize*sizeof(t_float), 2*nsamps*sizeof(t_float));
!     x->x_mallocsize = nsamps;
!     x->x_begmem2 = x->x_begmem1 + x->x_mallocsize;
!     post("beginn = %x", (unsigned long)x->x_begmem1);
!     if(x->x_writeindex >= nsamps)
!       x->x_writeindex -= nsamps;
!     x->x_sr = (t_float)sp[0]->s_sr;
!     x->x_blocksize = blocksize;
!     x->x_delay_samples = (int)(0.001f*x->x_sr * x->x_current_delay_ms + 0.5f);
!   }
!   
!   if(blocksize&7)
!     dsp_add(sigiem_delay_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, blocksize);
!   else
!     dsp_add(sigiem_delay_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, blocksize);
! }
! 
! static void *sigiem_delay_new(t_floatarg max_delay_ms, t_floatarg current_delay_ms)
! {
!   t_sigiem_delay *x = (t_sigiem_delay *)pd_new(sigiem_delay_class);
!   int nsamps;
!   
!   if(max_delay_ms < 2.0f)
!     max_delay_ms = 2.0f;
!   x->x_max_delay_ms = max_delay_ms;
!   if(current_delay_ms < 0.0f)
!     current_delay_ms = 0.0f;
!   else if(current_delay_ms > max_delay_ms)
!     current_delay_ms = max_delay_ms;
!   x->x_current_delay_ms = current_delay_ms;
!   nsamps = max_delay_ms * sys_getsr() * 0.001f;
!   if(nsamps < 1)
!     nsamps = 1;
!   nsamps += ((- nsamps) & (IEMDELAY_DEF_VEC_SIZE - 1));
!   nsamps += IEMDELAY_DEF_VEC_SIZE;
!   x->x_mallocsize = nsamps;
!   x->x_begmem1 = (t_float *)getbytes(2 * x->x_mallocsize * sizeof(t_float));
!   x->x_begmem2 = x->x_begmem1 + x->x_mallocsize;
!   x->x_writeindex = IEMDELAY_DEF_VEC_SIZE;
!   x->x_blocksize = 0;
!   x->x_sr = 0.0f;
!   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
!   outlet_new(&x->x_obj, &s_signal);
!   x->x_msi = 0.0f;
!   return (x);
! }
! 
! static void sigiem_delay_free(t_sigiem_delay *x)
! {
!   freebytes(x->x_begmem1, 2 * x->x_mallocsize * sizeof(t_float));
! }
! 
! void sigiem_delay_setup(void)
! {
!   sigiem_delay_class = class_new(gensym("iem_delay~"), (t_newmethod)sigiem_delay_new, (t_method)sigiem_delay_free,
!     sizeof(t_sigiem_delay), 0, A_DEFFLOAT, A_DEFFLOAT, 0);
!   CLASS_MAINSIGNALIN(sigiem_delay_class, t_sigiem_delay, x_msi);
!   class_addmethod(sigiem_delay_class, (t_method)sigiem_delay_dsp, gensym("dsp"), 0);
!   class_addmethod(sigiem_delay_class, (t_method)sigiem_delay_cur_del, gensym("ft1"), A_FLOAT, 0);
! }
Index: split.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/split.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** split.c	9 Mar 2005 17:15:59 -0000	1.2
--- split.c	2 Jun 2005 18:23:54 -0000	1.3
***************
*** 1,54 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* --------------------------- split ----------------------------- */
! 
! typedef struct _split
! {
!     t_object   x_obj;
!     t_outlet  *x_out_less;
!     t_outlet  *x_out_greater_equal;
!     float      x_threshold;
! } t_split;
! 
! static t_class *split_class;
! 
! static void split_float(t_split *x, t_float f)
! {
!     if(f < x->x_threshold)
! 	outlet_float(x->x_out_less, f);
!     else
! 	outlet_float(x->x_out_greater_equal, f);
! }
! 
! static void *split_new(t_floatarg f)
! {
!     t_split *x = (t_split *)pd_new(split_class);
!     floatinlet_new(&x->x_obj, &x->x_threshold);
!     x->x_out_less = outlet_new(&x->x_obj, &s_float);
!     x->x_out_greater_equal = outlet_new(&x->x_obj, &s_float);
!     x->x_threshold = f;
!     return (x);
! }
! 
! void split_setup(void)
! {
!     split_class = class_new(gensym("split"), (t_newmethod)split_new, 0,
!     	sizeof(t_split), 0, A_DEFFLOAT, 0);
!     class_addfloat(split_class, split_float);
!     class_sethelpsymbol(split_class, gensym("iemhelp/help-split"));
! }
--- 1,54 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* --------- split is like moses ----------- */
! 
! typedef struct _split
! {
!   t_object  x_obj;
!   t_outlet  *x_out_less;
!   t_outlet  *x_out_greater_equal;
!   float     x_threshold;
! } t_split;
! 
! static t_class *split_class;
! 
! static void split_float(t_split *x, t_float f)
! {
!   if(f < x->x_threshold)
!     outlet_float(x->x_out_less, f);
!   else
!     outlet_float(x->x_out_greater_equal, f);
! }
! 
! static void *split_new(t_floatarg f)
! {
!   t_split *x = (t_split *)pd_new(split_class);
!   floatinlet_new(&x->x_obj, &x->x_threshold);
!   x->x_out_less = outlet_new(&x->x_obj, &s_float);
!   x->x_out_greater_equal = outlet_new(&x->x_obj, &s_float);
!   x->x_threshold = f;
!   return (x);
! }
! 
! void split_setup(void)
! {
!   split_class = class_new(gensym("split"), (t_newmethod)split_new, 0,
!     sizeof(t_split), 0, A_DEFFLOAT, 0);
!   class_addfloat(split_class, split_float);
!   class_sethelpsymbol(split_class, gensym("iemhelp/help-split"));
! }
Index: forpp.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/forpp.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** forpp.c	18 May 2004 21:33:29 -0000	1.1.1.1
--- forpp.c	2 Jun 2005 18:23:54 -0000	1.2
***************
*** 1,192 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* -------------------------- forpp ------------------------------ */
! 
! typedef struct _forpp
! {
!     t_object  x_obj;
!     int       x_beg;
!     int       x_end;
!     float     x_delay;
!     int       x_cur;
!     int       x_incr;
!     void      *x_out_end;
!     void      *x_clock;
!     void      *x_clock2;
! } t_forpp;
! 
! static t_class *forpp_class;
! 
! static void forpp_tick2(t_forpp *x)
! {
!     outlet_bang(x->x_out_end);
!     clock_unset(x->x_clock2);
! }
! 
! static void forpp_tick(t_forpp *x)
! {
!     outlet_float(x->x_obj.ob_outlet, x->x_cur);
!     x->x_cur += x->x_incr;
!     if(x->x_incr > 0)
!     {
! 	if(x->x_cur <= x->x_end)
! 	    clock_delay(x->x_clock, x->x_delay);
!         else
! 	{
!             clock_unset(x->x_clock);
! 	    clock_delay(x->x_clock2, x->x_delay);
! 	}
!     }
!     else
!     {
!         if(x->x_cur >= x->x_end)
! 	    clock_delay(x->x_clock, x->x_delay);
!         else
! 	{
!             clock_unset(x->x_clock);
! 	    clock_delay(x->x_clock2, x->x_delay);
! 	}
!     }
! }
! 
! static void forpp_bang(t_forpp *x)
! {
!     x->x_cur = x->x_beg;
!     outlet_float(x->x_obj.ob_outlet, x->x_cur);
!     x->x_cur += x->x_incr;
!     if(x->x_incr > 0)
!     {
! 	if(x->x_cur <= x->x_end)
! 	    clock_delay(x->x_clock, x->x_delay);
! 	else
! 	{
!             clock_unset(x->x_clock);
! 	    clock_delay(x->x_clock2, x->x_delay);
! 	}
!     }
!     else
!     {
!         if(x->x_cur >= x->x_end)
! 	    clock_delay(x->x_clock, x->x_delay);
! 	else
!         {
!             clock_unset(x->x_clock);
! 	    clock_delay(x->x_clock2, x->x_delay);
! 	}
!     }
!     
! }
! 
! static void forpp_start(t_forpp *x)
! {
!     forpp_bang(x);
! }
! 
! static void forpp_stop(t_forpp *x)
! {
!     if(x->x_incr > 0)
!         x->x_cur = x->x_end + 1;
!     else
!         x->x_cur = x->x_end - 1;
!     clock_unset(x->x_clock);
!     clock_unset(x->x_clock2);
! }
! 
! static void forpp_float(t_forpp *x, t_float beg)
! {
!     x->x_beg = (int)beg;
!     if(x->x_end < x->x_beg)
! 	x->x_incr = -1;
!     else
!         x->x_incr = 1;
! }
! 
! static void forpp_ft1(t_forpp *x, t_float end)
! {
!     x->x_end = (int)end;
!     if(x->x_end < x->x_beg)
! 	x->x_incr = -1;
!     else
!         x->x_incr = 1;
! }
! 
! static void forpp_ft2(t_forpp *x, t_float delay)
! {
!     if(delay < 0.0)
! 	delay = 0.0;
!     x->x_delay = delay;
! }
! 
! static void forpp_list(t_forpp *x, t_symbol *s, int argc, t_atom *argv)
! {
!     if(argc == 2)
!     {
! 	forpp_float(x, atom_getfloatarg(0, argc, argv));
! 	forpp_ft1(x, atom_getfloatarg(1, argc, argv));
!     }
!     else if(argc == 3)
!     {
! 	forpp_float(x, atom_getfloatarg(0, argc, argv));
! 	forpp_ft1(x, atom_getfloatarg(1, argc, argv));
!         forpp_ft2(x, atom_getfloatarg(2, argc, argv));
!     }
! }
! 
! static void *forpp_new(t_floatarg beg, t_floatarg end, t_floatarg delay)
! {
!     t_forpp *x = (t_forpp *)pd_new(forpp_class);
! 
!     inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
!     inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft2"));
!     outlet_new(&x->x_obj, &s_float);
!     x->x_out_end = outlet_new(&x->x_obj, &s_bang);
!     x->x_clock = clock_new(x, (t_method)forpp_tick);
!     x->x_clock2 = clock_new(x, (t_method)forpp_tick2);
!     x->x_beg = (int)beg;
!     x->x_end = (int)end;
!     if(x->x_end < x->x_beg)
! 	x->x_incr = -1;
!     else
!         x->x_incr = 1;
!     if(delay < 0.0)
! 	delay = 0.0;
!     x->x_delay = delay;
!     x->x_cur = x->x_beg;
!     return(x);
! }
! 
! static void forpp_ff(t_forpp *x)
! {
!     clock_free(x->x_clock);
!     clock_free(x->x_clock2);
! }
! 
! void forpp_setup(void)
! {
!     forpp_class = class_new(gensym("for++"), (t_newmethod)forpp_new,
! 			    (t_method)forpp_ff, sizeof(t_forpp),
! 			    0, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
!     class_addbang(forpp_class, forpp_bang);
!     class_addfloat(forpp_class, forpp_float);
!     class_addlist(forpp_class, forpp_list);
!     class_addmethod(forpp_class, (t_method)forpp_start, gensym("start"), 0);
!     class_addmethod(forpp_class, (t_method)forpp_stop, gensym("stop"), 0);
!     class_addmethod(forpp_class, (t_method)forpp_ft1, gensym("ft1"), A_FLOAT, 0);
!     class_addmethod(forpp_class, (t_method)forpp_ft2, gensym("ft2"), A_FLOAT, 0);
!     class_sethelpsymbol(forpp_class, gensym("iemhelp/help-for++"));
! }
--- 1,193 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ----------------------------- for++ -------------------------------- */
! /* -- an internal timed counter (start-, stop-number and metro-time) -- */
! 
! typedef struct _forpp
! {
!   t_object  x_obj;
!   int       x_beg;
!   int       x_end;
!   float     x_delay;
!   int       x_cur;
!   int       x_incr;
!   void      *x_out_end;
!   void      *x_clock;
!   void      *x_clock2;
! } t_forpp;
! 
! static t_class *forpp_class;
! 
! static void forpp_tick2(t_forpp *x)
! {
!   outlet_bang(x->x_out_end);
!   clock_unset(x->x_clock2);
! }
! 
! static void forpp_tick(t_forpp *x)
! {
!   outlet_float(x->x_obj.ob_outlet, x->x_cur);
!   x->x_cur += x->x_incr;
!   if(x->x_incr > 0)
!   {
!     if(x->x_cur <= x->x_end)
!       clock_delay(x->x_clock, x->x_delay);
!     else
!     {
!       clock_unset(x->x_clock);
!       clock_delay(x->x_clock2, x->x_delay);
!     }
!   }
!   else
!   {
!     if(x->x_cur >= x->x_end)
!       clock_delay(x->x_clock, x->x_delay);
!     else
!     {
!       clock_unset(x->x_clock);
!       clock_delay(x->x_clock2, x->x_delay);
!     }
!   }
! }
! 
! static void forpp_bang(t_forpp *x)
! {
!   x->x_cur = x->x_beg;
!   outlet_float(x->x_obj.ob_outlet, x->x_cur);
!   x->x_cur += x->x_incr;
!   if(x->x_incr > 0)
!   {
!     if(x->x_cur <= x->x_end)
!       clock_delay(x->x_clock, x->x_delay);
!     else
!     {
!       clock_unset(x->x_clock);
!       clock_delay(x->x_clock2, x->x_delay);
!     }
!   }
!   else
!   {
!     if(x->x_cur >= x->x_end)
!       clock_delay(x->x_clock, x->x_delay);
!     else
!     {
!       clock_unset(x->x_clock);
!       clock_delay(x->x_clock2, x->x_delay);
!     }
!   }
!   
! }
! 
! static void forpp_start(t_forpp *x)
! {
!   forpp_bang(x);
! }
! 
! static void forpp_stop(t_forpp *x)
! {
!   if(x->x_incr > 0)
!     x->x_cur = x->x_end + 1;
!   else
!     x->x_cur = x->x_end - 1;
!   clock_unset(x->x_clock);
!   clock_unset(x->x_clock2);
! }
! 
! static void forpp_float(t_forpp *x, t_float beg)
! {
!   x->x_beg = (int)beg;
!   if(x->x_end < x->x_beg)
!     x->x_incr = -1;
!   else
!     x->x_incr = 1;
! }
! 
! static void forpp_ft1(t_forpp *x, t_float end)
! {
!   x->x_end = (int)end;
!   if(x->x_end < x->x_beg)
!     x->x_incr = -1;
!   else
!     x->x_incr = 1;
! }
! 
! static void forpp_ft2(t_forpp *x, t_float delay)
! {
!   if(delay < 0.0)
!     delay = 0.0;
!   x->x_delay = delay;
! }
! 
! static void forpp_list(t_forpp *x, t_symbol *s, int argc, t_atom *argv)
! {
!   if(argc == 2)
!   {
!     forpp_float(x, atom_getfloatarg(0, argc, argv));
!     forpp_ft1(x, atom_getfloatarg(1, argc, argv));
!   }
!   else if(argc == 3)
!   {
!     forpp_float(x, atom_getfloatarg(0, argc, argv));
!     forpp_ft1(x, atom_getfloatarg(1, argc, argv));
!     forpp_ft2(x, atom_getfloatarg(2, argc, argv));
!   }
! }
! 
! static void *forpp_new(t_floatarg beg, t_floatarg end, t_floatarg delay)
! {
!   t_forpp *x = (t_forpp *)pd_new(forpp_class);
!   
!   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
!   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft2"));
!   outlet_new(&x->x_obj, &s_float);
!   x->x_out_end = outlet_new(&x->x_obj, &s_bang);
!   x->x_clock = clock_new(x, (t_method)forpp_tick);
!   x->x_clock2 = clock_new(x, (t_method)forpp_tick2);
!   x->x_beg = (int)beg;
!   x->x_end = (int)end;
!   if(x->x_end < x->x_beg)
!     x->x_incr = -1;
!   else
!     x->x_incr = 1;
!   if(delay < 0.0)
!     delay = 0.0;
!   x->x_delay = delay;
!   x->x_cur = x->x_beg;
!   return(x);
! }
! 
! static void forpp_ff(t_forpp *x)
! {
!   clock_free(x->x_clock);
!   clock_free(x->x_clock2);
! }
! 
! void forpp_setup(void)
! {
!   forpp_class = class_new(gensym("for++"), (t_newmethod)forpp_new,
!     (t_method)forpp_ff, sizeof(t_forpp),
!     0, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
!   class_addbang(forpp_class, forpp_bang);
!   class_addfloat(forpp_class, forpp_float);
!   class_addlist(forpp_class, forpp_list);
!   class_addmethod(forpp_class, (t_method)forpp_start, gensym("start"), 0);
!   class_addmethod(forpp_class, (t_method)forpp_stop, gensym("stop"), 0);
!   class_addmethod(forpp_class, (t_method)forpp_ft1, gensym("ft1"), A_FLOAT, 0);
!   class_addmethod(forpp_class, (t_method)forpp_ft2, gensym("ft2"), A_FLOAT, 0);
!   class_sethelpsymbol(forpp_class, gensym("iemhelp/help-for++"));
! }
Index: sigmov_avrg_kern.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/sigmov_avrg_kern.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** sigmov_avrg_kern.c	18 May 2004 21:33:30 -0000	1.1.1.1
--- sigmov_avrg_kern.c	2 Jun 2005 18:23:54 -0000	1.2
***************
*** 1,143 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! 
! /* -- mov_avrg_kern~ - kernel for a moving-average-filter with IIR - */
! 
! typedef struct sigmov_avrg_kern
! {
!     t_object x_obj;
!     double   x_wn1;
!     double   x_a0;
!     double   x_sr;
!     double   x_mstime;
!     int      x_nsamps;
!     int      x_counter;
!     float    x_msi;
! } t_sigmov_avrg_kern;
! 
! t_class *sigmov_avrg_kern_class;
! 
! static t_int *sigmov_avrg_kern_perform(t_int *w)
! {
!     float *in_direct = (float *)(w[1]);
!     float *in_delayed = (float *)(w[2]);
!     float *out = (float *)(w[3]);
!     t_sigmov_avrg_kern *x = (t_sigmov_avrg_kern *)(w[4]);
!     int i, n = (int)(w[5]);
!     double wn0, wn1=x->x_wn1, a0=x->x_a0;
! 
!     if(x->x_counter)
!     {
! 	int counter = x->x_counter;
! 
! 	if(counter >= n)
! 	{
! 	    x->x_counter = counter - n;
! 	    for(i=0; i<n; i++)
! 	    {
! 		wn0 = wn1 + a0*(double)(*in_direct++);
! 		*out++ = (float)wn0;
!                 wn1 = wn0;
! 	    }
! 	}
! 	else
! 	{
! 	    x->x_counter = 0;
!             for(i=0; i<counter; i++)
! 	    {
!                 wn0 = wn1 + a0*(double)(*in_direct++);
! 		*out++ = (float)wn0;
!                 wn1 = wn0;
! 	    }
! 	    for(i=counter; i<n; i++)
! 	    {
!                 wn0 = wn1 + a0*(double)(*in_direct++ - *in_delayed++);
! 		*out++ = (float)wn0;
!                 wn1 = wn0;
! 	    }
! 	}
!     }
!     else
!     {
! 	for(i=0; i<n; i++)
! 	{
! 	    wn0 = wn1 + a0*(double)(*in_direct++ - *in_delayed++);
! 	    *out++ = (float)wn0;
! 	    wn1 = wn0;
! 	}
!     }
!     x->x_wn1 = wn1;
!     return(w+6);
! }
! 
! static void sigmov_avrg_kern_ft1(t_sigmov_avrg_kern *x, t_floatarg mstime)
! {
!     if(mstime < 0.04)
! 	mstime = 0.04;
!     x->x_mstime = (double)mstime;
!     x->x_nsamps = (int)(x->x_sr * x->x_mstime);
!     x->x_counter = x->x_nsamps;
!     x->x_wn1 = 0.0;
!     x->x_a0 = 1.0/(double)(x->x_nsamps);
! }
! 
! static void sigmov_avrg_kern_reset(t_sigmov_avrg_kern *x)
! {
!     x->x_counter = x->x_nsamps;
!     x->x_wn1 = 0.0;
! }
! 
! static void sigmov_avrg_kern_dsp(t_sigmov_avrg_kern *x, t_signal **sp)
! {
!     x->x_sr = 0.001*(double)(sp[0]->s_sr);
!     x->x_nsamps = (int)(x->x_sr * x->x_mstime);
!     x->x_counter = x->x_nsamps;
!     x->x_wn1 = 0.0;
!     x->x_a0 = 1.0/(double)(x->x_nsamps);
!     dsp_add(sigmov_avrg_kern_perform, 5, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, x, sp[0]->s_n);
! }
! 
! static void *sigmov_avrg_kern_new(t_floatarg mstime)
! {
!     t_sigmov_avrg_kern *x = (t_sigmov_avrg_kern *)pd_new(sigmov_avrg_kern_class);
! 
!     if(mstime < 0.04)
! 	mstime = 0.04;
!     x->x_mstime = (double)mstime;
!     x->x_sr = 44.1;
!     x->x_nsamps = (int)(x->x_sr * x->x_mstime);
!     x->x_counter = x->x_nsamps;
!     x->x_wn1 = 0.0;
!     x->x_a0 = 1.0/(double)(x->x_nsamps);
! 
!     inlet_new(&x->x_obj,  &x->x_obj.ob_pd, &s_signal, &s_signal);
!     inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
!     outlet_new(&x->x_obj, &s_signal);
!     x->x_msi = 0;
!     return(x);
! }
! 
! void sigmov_avrg_kern_setup(void)
! {
!     sigmov_avrg_kern_class = class_new(gensym("mov_avrg_kern~"), (t_newmethod)sigmov_avrg_kern_new,
! 				0, sizeof(t_sigmov_avrg_kern), 0, A_FLOAT, 0);
!     CLASS_MAINSIGNALIN(sigmov_avrg_kern_class, t_sigmov_avrg_kern, x_msi);
!     class_addmethod(sigmov_avrg_kern_class, (t_method)sigmov_avrg_kern_dsp, gensym("dsp"), 0);
!     class_addmethod(sigmov_avrg_kern_class, (t_method)sigmov_avrg_kern_ft1, gensym("ft1"), A_FLOAT, 0);
!     class_addmethod(sigmov_avrg_kern_class, (t_method)sigmov_avrg_kern_reset, gensym("reset"), 0);
! }
--- 1,143 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! 
! /* -- mov_avrg_kern~ - kernel for a moving-average-filter with IIR - */
! 
! typedef struct sigmov_avrg_kern
! {
!   t_object x_obj;
!   double   x_wn1;
!   double   x_a0;
!   double   x_sr;
!   double   x_mstime;
!   int      x_nsamps;
!   int      x_counter;
!   float    x_msi;
! } t_sigmov_avrg_kern;
! 
! t_class *sigmov_avrg_kern_class;
! 
! static t_int *sigmov_avrg_kern_perform(t_int *w)
! {
!   float *in_direct = (float *)(w[1]);
!   float *in_delayed = (float *)(w[2]);
!   float *out = (float *)(w[3]);
!   t_sigmov_avrg_kern *x = (t_sigmov_avrg_kern *)(w[4]);
!   int i, n = (int)(w[5]);
!   double wn0, wn1=x->x_wn1, a0=x->x_a0;
!   
!   if(x->x_counter)
!   {
!     int counter = x->x_counter;
!     
!     if(counter >= n)
!     {
!       x->x_counter = counter - n;
!       for(i=0; i<n; i++)
!       {
!         wn0 = wn1 + a0*(double)(*in_direct++);
!         *out++ = (float)wn0;
!         wn1 = wn0;
!       }
!     }
!     else
!     {
!       x->x_counter = 0;
!       for(i=0; i<counter; i++)
!       {
!         wn0 = wn1 + a0*(double)(*in_direct++);
!         *out++ = (float)wn0;
!         wn1 = wn0;
!       }
!       for(i=counter; i<n; i++)
!       {
!         wn0 = wn1 + a0*(double)(*in_direct++ - *in_delayed++);
!         *out++ = (float)wn0;
!         wn1 = wn0;
!       }
!     }
!   }
!   else
!   {
!     for(i=0; i<n; i++)
!     {
!       wn0 = wn1 + a0*(double)(*in_direct++ - *in_delayed++);
!       *out++ = (float)wn0;
!       wn1 = wn0;
!     }
!   }
!   x->x_wn1 = wn1;
!   return(w+6);
! }
! 
! static void sigmov_avrg_kern_ft1(t_sigmov_avrg_kern *x, t_floatarg mstime)
! {
!   if(mstime < 0.04)
!     mstime = 0.04;
!   x->x_mstime = (double)mstime;
!   x->x_nsamps = (int)(x->x_sr * x->x_mstime);
!   x->x_counter = x->x_nsamps;
!   x->x_wn1 = 0.0;
!   x->x_a0 = 1.0/(double)(x->x_nsamps);
! }
! 
! static void sigmov_avrg_kern_reset(t_sigmov_avrg_kern *x)
! {
!   x->x_counter = x->x_nsamps;
!   x->x_wn1 = 0.0;
! }
! 
! static void sigmov_avrg_kern_dsp(t_sigmov_avrg_kern *x, t_signal **sp)
! {
!   x->x_sr = 0.001*(double)(sp[0]->s_sr);
!   x->x_nsamps = (int)(x->x_sr * x->x_mstime);
!   x->x_counter = x->x_nsamps;
!   x->x_wn1 = 0.0;
!   x->x_a0 = 1.0/(double)(x->x_nsamps);
!   dsp_add(sigmov_avrg_kern_perform, 5, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, x, sp[0]->s_n);
! }
! 
! static void *sigmov_avrg_kern_new(t_floatarg mstime)
! {
!   t_sigmov_avrg_kern *x = (t_sigmov_avrg_kern *)pd_new(sigmov_avrg_kern_class);
!   
!   if(mstime < 0.04)
!     mstime = 0.04;
!   x->x_mstime = (double)mstime;
!   x->x_sr = 44.1;
!   x->x_nsamps = (int)(x->x_sr * x->x_mstime);
!   x->x_counter = x->x_nsamps;
!   x->x_wn1 = 0.0;
!   x->x_a0 = 1.0/(double)(x->x_nsamps);
!   
!   inlet_new(&x->x_obj,  &x->x_obj.ob_pd, &s_signal, &s_signal);
!   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
!   outlet_new(&x->x_obj, &s_signal);
!   x->x_msi = 0;
!   return(x);
! }
! 
! void sigmov_avrg_kern_setup(void)
! {
!   sigmov_avrg_kern_class = class_new(gensym("mov_avrg_kern~"), (t_newmethod)sigmov_avrg_kern_new,
!         0, sizeof(t_sigmov_avrg_kern), 0, A_FLOAT, 0);
!   CLASS_MAINSIGNALIN(sigmov_avrg_kern_class, t_sigmov_avrg_kern, x_msi);
!   class_addmethod(sigmov_avrg_kern_class, (t_method)sigmov_avrg_kern_dsp, gensym("dsp"), 0);
!   class_addmethod(sigmov_avrg_kern_class, (t_method)sigmov_avrg_kern_ft1, gensym("ft1"), A_FLOAT, 0);
!   class_addmethod(sigmov_avrg_kern_class, (t_method)sigmov_avrg_kern_reset, gensym("reset"), 0);
! }
Index: sigvcf_filter.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/sigvcf_filter.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** sigvcf_filter.c	9 Mar 2005 17:15:59 -0000	1.2
--- sigvcf_filter.c	2 Jun 2005 18:23:54 -0000	1.3
***************
*** 1,334 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ---------- vcf_filter~ - slow dynamic vcf_filter 1. and 2. order ----------- */
! 
! typedef struct sigvcf_filter
! {
! 	t_object x_obj;
! 	float	x_wn1;
! 	float	x_wn2;
! 	float	x_msi;
! 	char	x_filtname[6];
! } t_sigvcf_filter;
! 
! t_class *sigvcf_filter_class;
! 
! static t_int *sigvcf_filter_perform_snafu(t_int *w)
! {
! 	float *in = (float *)(w[1]);
! 	float *out = (float *)(w[4]);
! 	int n = (t_int)(w[6]);
! 
! 	while(n--)
! 		*out++ = *in++;
! 	return(w+7);
! }
! 
! /*
! lp2
! 	wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = rcp*(wn0 + 2.0f*wn1 + wn2);
! 	wn2 = wn1;
! 	wn1 = wn0;
! 
! bp2
! 	wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = rcp*al*(wn0 - wn2);
! 	wn2 = wn1;
! 	wn1 = wn0;
! 
! rbp2
! 	wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = rcp*l*(wn0 - wn2);
! 	wn2 = wn1;
! 	wn1 = wn0;
! 
! hp2
! 	wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = rcp*(wn0 - 2.0f*wn1 + wn2);
! 	wn2 = wn1;
! 	wn1 = wn0;
! 
! */
! 
! static t_int *sigvcf_filter_perform_lp2(t_int *w)
! {
! 	float *in = (float *)(w[1]);
! 	float *lp = (float *)(w[2]);
! 	float *q = (float *)(w[3]);
! 	float *out = (float *)(w[4]);
! 	t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]);
! 	int i, n = (t_int)(w[6]);
! 	float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
! 	float l, al, l2, rcp;
! 
! 	for(i=0; i<n; i+=4)
! 	{
! 		l = lp[i];
! 		if(q[i] < 0.000001)
! 			al = 1000000.0*l;
! 		else if(q[i] > 1000000.0)
! 			al = 0.000001*l;
! 		else
! 			al = l/q[i];
! 		l2 = l*l + 1.0f;
! 		rcp = 1.0f/(al + l2);
! 
! 		wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = rcp*(wn0 + 2.0f*wn1 + wn2);
! 		wn2 = wn1;
! 		wn1 = wn0;
! 
! 		wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = rcp*(wn0 + 2.0f*wn1 + wn2);
! 		wn2 = wn1;
! 		wn1 = wn0;
! 
! 		wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = rcp*(wn0 + 2.0f*wn1 + wn2);
! 		wn2 = wn1;
! 		wn1 = wn0;
! 
! 		wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = rcp*(wn0 + 2.0f*wn1 + wn2);
! 		wn2 = wn1;
! 		wn1 = wn0;
! 	}
! 	/* NAN protect */
! 	if(IEM_DENORMAL(wn2))
! 		wn2 = 0.0f;
! 	if(IEM_DENORMAL(wn1))
! 		wn1 = 0.0f;
! 
! 	x->x_wn1 = wn1;
! 	x->x_wn2 = wn2;
! 	return(w+7);
! }
! 
! static t_int *sigvcf_filter_perform_bp2(t_int *w)
! {
! 	float *in = (float *)(w[1]);
! 	float *lp = (float *)(w[2]);
! 	float *q = (float *)(w[3]);
! 	float *out = (float *)(w[4]);
! 	t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]);
! 	int i, n = (t_int)(w[6]);
! 	float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
! 	float l, al, l2, rcp;
! 
! 	for(i=0; i<n; i+=4)
! 	{
! 		l = lp[i];
! 		if(q[i] < 0.000001)
! 			al = 1000000.0*l;
! 		else if(q[i] > 1000000.0)
! 			al = 0.000001*l;
! 		else
! 			al = l/q[i];
! 		l2 = l*l + 1.0f;
! 		rcp = 1.0f/(al + l2);
! 
! 
! 		wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = rcp*al*(wn0 - wn2);
! 		wn2 = wn1;
! 		wn1 = wn0;
! 
! 		wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = rcp*al*(wn0 - wn2);
! 		wn2 = wn1;
! 		wn1 = wn0;
! 
! 		wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = rcp*al*(wn0 - wn2);
! 		wn2 = wn1;
! 		wn1 = wn0;
! 
! 		wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = rcp*al*(wn0 - wn2);
! 		wn2 = wn1;
! 		wn1 = wn0;
! 	}
! 	/* NAN protect */
! 	if(IEM_DENORMAL(wn2))
! 		wn2 = 0.0f;
! 	if(IEM_DENORMAL(wn1))
! 		wn1 = 0.0f;
! 
! 	x->x_wn1 = wn1;
! 	x->x_wn2 = wn2;
! 	return(w+7);
! }
! 
! static t_int *sigvcf_filter_perform_rbp2(t_int *w)
! {
! 	float *in = (float *)(w[1]);
! 	float *lp = (float *)(w[2]);
! 	float *q = (float *)(w[3]);
! 	float *out = (float *)(w[4]);
! 	t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]);
! 	int i, n = (t_int)(w[6]);
! 	float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
! 	float al, l, l2, rcp;
! 
! 	for(i=0; i<n; i+=4)
! 	{
! 		l = lp[i];
! 		if(q[i] < 0.000001)
! 			al = 1000000.0*l;
! 		else if(q[i] > 1000000.0)
! 			al = 0.000001*l;
! 		else
! 			al = l/q[i];
! 		l2 = l*l + 1.0f;
! 		rcp = 1.0f/(al + l2);
! 
! 
! 		wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = rcp*l*(wn0 - wn2);
! 		wn2 = wn1;
! 		wn1 = wn0;
! 
! 		wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = rcp*l*(wn0 - wn2);
! 		wn2 = wn1;
! 		wn1 = wn0;
! 
! 		wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = rcp*l*(wn0 - wn2);
! 		wn2 = wn1;
! 		wn1 = wn0;
! 
! 		wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = rcp*l*(wn0 - wn2);
! 		wn2 = wn1;
! 		wn1 = wn0;
! 	}
! 	/* NAN protect */
! 	if(IEM_DENORMAL(wn2))
! 		wn2 = 0.0f;
! 	if(IEM_DENORMAL(wn1))
! 		wn1 = 0.0f;
! 
! 	x->x_wn1 = wn1;
! 	x->x_wn2 = wn2;
! 	return(w+7);
! }
! 
! static t_int *sigvcf_filter_perform_hp2(t_int *w)
! {
! 	float *in = (float *)(w[1]);
! 	float *lp = (float *)(w[2]);
! 	float *q = (float *)(w[3]);
! 	float *out = (float *)(w[4]);
! 	t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]);
! 	int i, n = (t_int)(w[6]);
! 	float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
! 	float l, al, l2, rcp, forw;
! 
! 	for(i=0; i<n; i+=4)
! 	{
! 		l = lp[i];
! 		if(q[i] < 0.000001)
! 			al = 1000000.0*l;
! 		else if(q[i] > 1000000.0)
! 			al = 0.000001*l;
! 		else
! 			al = l/q[i];
! 		l2 = l*l + 1.0f;
! 		rcp = 1.0f/(al + l2);
! 		forw = rcp * (l2 - 1.0f);
! 
! 		wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = forw*(wn0 - 2.0f*wn1 + wn2);
! 		wn2 = wn1;
! 		wn1 = wn0;
! 
! 		wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = forw*(wn0 - 2.0f*wn1 + wn2);
! 		wn2 = wn1;
! 		wn1 = wn0;
! 
! 		wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = forw*(wn0 - 2.0f*wn1 + wn2);
! 		wn2 = wn1;
! 		wn1 = wn0;
! 
! 		wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! 		*out++ = forw*(wn0 - 2.0f*wn1 + wn2);
! 		wn2 = wn1;
! 		wn1 = wn0;
! 	}
! 	/* NAN protect */
! 	if(IEM_DENORMAL(wn2))
! 		wn2 = 0.0f;
! 	if(IEM_DENORMAL(wn1))
! 		wn1 = 0.0f;
! 
! 	x->x_wn1 = wn1;
! 	x->x_wn2 = wn2;
! 	return(w+7);
! }
! 
! static void sigvcf_filter_dsp(t_sigvcf_filter *x, t_signal **sp)
! {
! 	if(!strcmp(x->x_filtname,"bp2"))
! 		dsp_add(sigvcf_filter_perform_bp2, 6, sp[0]->s_vec, sp[1]->s_vec, 
! 			sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n);
! 	else if(!strcmp(x->x_filtname,"rbp2"))
! 		dsp_add(sigvcf_filter_perform_rbp2, 6, sp[0]->s_vec, sp[1]->s_vec, 
! 			sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n);
! 	else if(!strcmp(x->x_filtname,"lp2"))
! 		dsp_add(sigvcf_filter_perform_lp2, 6, sp[0]->s_vec, sp[1]->s_vec,
! 			sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n);
! 	else if(!strcmp(x->x_filtname,"hp2"))
! 		dsp_add(sigvcf_filter_perform_hp2, 6, sp[0]->s_vec, sp[1]->s_vec,
! 			sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n);
! 	else
! 	{
! 		dsp_add(sigvcf_filter_perform_snafu, 6, sp[0]->s_vec, sp[1]->s_vec,
! 			sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n);
! 		post("vcf_filter~-Error: 1. initial-arguments: <sym> kind: lp2, bp2, rbp2, hp2!");
! 	}
! }
! 
! static void *sigvcf_filter_new(t_symbol *filt_typ)
! {
! 	t_sigvcf_filter *x = (t_sigvcf_filter *)pd_new(sigvcf_filter_class);
! 	char *c;
! 
! 	inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
! 	inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
! 	outlet_new(&x->x_obj, &s_signal);
! 	x->x_msi = 0;
! 	x->x_wn1 = 0.0;
! 	x->x_wn2 = 0.0;
! 	c = (char *)filt_typ->s_name;
! 	c[5] = 0;
! 	strcpy(x->x_filtname, c);
! 	return(x);
! }
! 
! void sigvcf_filter_setup(void)
! {
! 	sigvcf_filter_class = class_new(gensym("vcf_filter~"), (t_newmethod)sigvcf_filter_new,
! 					0, sizeof(t_sigvcf_filter), 0, A_DEFSYM, 0);
! 	CLASS_MAINSIGNALIN(sigvcf_filter_class, t_sigvcf_filter, x_msi);
! 	class_addmethod(sigvcf_filter_class, (t_method)sigvcf_filter_dsp, gensym("dsp"), 0);
! 	class_sethelpsymbol(sigvcf_filter_class, gensym("iemhelp/help-vcf_filter~"));
! }
--- 1,334 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ---------- vcf_filter~ - slow dynamic vcf_filter 1. and 2. order ----------- */
! 
! typedef struct sigvcf_filter
! {
!   t_object x_obj;
!   float x_wn1;
!   float x_wn2;
!   float x_msi;
!   char  x_filtname[6];
! } t_sigvcf_filter;
! 
! t_class *sigvcf_filter_class;
! 
! static t_int *sigvcf_filter_perform_snafu(t_int *w)
! {
!   float *in = (float *)(w[1]);
!   float *out = (float *)(w[4]);
!   int n = (t_int)(w[6]);
!   
!   while(n--)
!     *out++ = *in++;
!   return(w+7);
! }
! 
! /*
! lp2
! wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
! *out++ = rcp*(wn0 + 2.0f*wn1 + wn2);
! wn2 = wn1;
! wn1 = wn0;
! 
!   bp2
!   wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!     *out++ = rcp*al*(wn0 - wn2);
!     wn2 = wn1;
!     wn1 = wn0;
!     
!       rbp2
!       wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!       *out++ = rcp*l*(wn0 - wn2);
!       wn2 = wn1;
!       wn1 = wn0;
!       
!         hp2
!         wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!         *out++ = rcp*(wn0 - 2.0f*wn1 + wn2);
!         wn2 = wn1;
!         wn1 = wn0;
!         
! */
! 
! static t_int *sigvcf_filter_perform_lp2(t_int *w)
! {
!   float *in = (float *)(w[1]);
!   float *lp = (float *)(w[2]);
!   float *q = (float *)(w[3]);
!   float *out = (float *)(w[4]);
!   t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]);
!   int i, n = (t_int)(w[6]);
!   float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
!   float l, al, l2, rcp;
!   
!   for(i=0; i<n; i+=4)
!   {
!     l = lp[i];
!     if(q[i] < 0.000001)
!       al = 1000000.0*l;
!     else if(q[i] > 1000000.0)
!       al = 0.000001*l;
!     else
!       al = l/q[i];
!     l2 = l*l + 1.0f;
!     rcp = 1.0f/(al + l2);
!     
!     wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!     *out++ = rcp*(wn0 + 2.0f*wn1 + wn2);
!     wn2 = wn1;
!     wn1 = wn0;
!     
!     wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!     *out++ = rcp*(wn0 + 2.0f*wn1 + wn2);
!     wn2 = wn1;
!     wn1 = wn0;
!     
!     wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!     *out++ = rcp*(wn0 + 2.0f*wn1 + wn2);
!     wn2 = wn1;
!     wn1 = wn0;
!     
!     wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!     *out++ = rcp*(wn0 + 2.0f*wn1 + wn2);
!     wn2 = wn1;
!     wn1 = wn0;
!   }
!   /* NAN protect */
!   if(IEM_DENORMAL(wn2))
!     wn2 = 0.0f;
!   if(IEM_DENORMAL(wn1))
!     wn1 = 0.0f;
!   
!   x->x_wn1 = wn1;
!   x->x_wn2 = wn2;
!   return(w+7);
! }
! 
! static t_int *sigvcf_filter_perform_bp2(t_int *w)
! {
!   float *in = (float *)(w[1]);
!   float *lp = (float *)(w[2]);
!   float *q = (float *)(w[3]);
!   float *out = (float *)(w[4]);
!   t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]);
!   int i, n = (t_int)(w[6]);
!   float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
!   float l, al, l2, rcp;
!   
!   for(i=0; i<n; i+=4)
!   {
!     l = lp[i];
!     if(q[i] < 0.000001)
!       al = 1000000.0*l;
!     else if(q[i] > 1000000.0)
!       al = 0.000001*l;
!     else
!       al = l/q[i];
!     l2 = l*l + 1.0f;
!     rcp = 1.0f/(al + l2);
!     
!     
!     wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!     *out++ = rcp*al*(wn0 - wn2);
!     wn2 = wn1;
!     wn1 = wn0;
!     
!     wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!     *out++ = rcp*al*(wn0 - wn2);
!     wn2 = wn1;
!     wn1 = wn0;
!     
!     wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!     *out++ = rcp*al*(wn0 - wn2);
!     wn2 = wn1;
!     wn1 = wn0;
!     
!     wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!     *out++ = rcp*al*(wn0 - wn2);
!     wn2 = wn1;
!     wn1 = wn0;
!   }
!   /* NAN protect */
!   if(IEM_DENORMAL(wn2))
!     wn2 = 0.0f;
!   if(IEM_DENORMAL(wn1))
!     wn1 = 0.0f;
!   
!   x->x_wn1 = wn1;
!   x->x_wn2 = wn2;
!   return(w+7);
! }
! 
! static t_int *sigvcf_filter_perform_rbp2(t_int *w)
! {
!   float *in = (float *)(w[1]);
!   float *lp = (float *)(w[2]);
!   float *q = (float *)(w[3]);
!   float *out = (float *)(w[4]);
!   t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]);
!   int i, n = (t_int)(w[6]);
!   float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
!   float al, l, l2, rcp;
!   
!   for(i=0; i<n; i+=4)
!   {
!     l = lp[i];
!     if(q[i] < 0.000001)
!       al = 1000000.0*l;
!     else if(q[i] > 1000000.0)
!       al = 0.000001*l;
!     else
!       al = l/q[i];
!     l2 = l*l + 1.0f;
!     rcp = 1.0f/(al + l2);
!     
!     
!     wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!     *out++ = rcp*l*(wn0 - wn2);
!     wn2 = wn1;
!     wn1 = wn0;
!     
!     wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!     *out++ = rcp*l*(wn0 - wn2);
!     wn2 = wn1;
!     wn1 = wn0;
!     
!     wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!     *out++ = rcp*l*(wn0 - wn2);
!     wn2 = wn1;
!     wn1 = wn0;
!     
!     wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!     *out++ = rcp*l*(wn0 - wn2);
!     wn2 = wn1;
!     wn1 = wn0;
!   }
!   /* NAN protect */
!   if(IEM_DENORMAL(wn2))
!     wn2 = 0.0f;
!   if(IEM_DENORMAL(wn1))
!     wn1 = 0.0f;
!   
!   x->x_wn1 = wn1;
!   x->x_wn2 = wn2;
!   return(w+7);
! }
! 
! static t_int *sigvcf_filter_perform_hp2(t_int *w)
! {
!   float *in = (float *)(w[1]);
!   float *lp = (float *)(w[2]);
!   float *q = (float *)(w[3]);
!   float *out = (float *)(w[4]);
!   t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]);
!   int i, n = (t_int)(w[6]);
!   float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
!   float l, al, l2, rcp, forw;
!   
!   for(i=0; i<n; i+=4)
!   {
!     l = lp[i];
!     if(q[i] < 0.000001)
!       al = 1000000.0*l;
!     else if(q[i] > 1000000.0)
!       al = 0.000001*l;
!     else
!       al = l/q[i];
!     l2 = l*l + 1.0f;
!     rcp = 1.0f/(al + l2);
!     forw = rcp * (l2 - 1.0f);
!     
!     wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!     *out++ = forw*(wn0 - 2.0f*wn1 + wn2);
!     wn2 = wn1;
!     wn1 = wn0;
!     
!     wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!     *out++ = forw*(wn0 - 2.0f*wn1 + wn2);
!     wn2 = wn1;
!     wn1 = wn0;
!     
!     wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!     *out++ = forw*(wn0 - 2.0f*wn1 + wn2);
!     wn2 = wn1;
!     wn1 = wn0;
!     
!     wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
!     *out++ = forw*(wn0 - 2.0f*wn1 + wn2);
!     wn2 = wn1;
!     wn1 = wn0;
!   }
!   /* NAN protect */
!   if(IEM_DENORMAL(wn2))
!     wn2 = 0.0f;
!   if(IEM_DENORMAL(wn1))
!     wn1 = 0.0f;
!   
!   x->x_wn1 = wn1;
!   x->x_wn2 = wn2;
!   return(w+7);
! }
! 
! static void sigvcf_filter_dsp(t_sigvcf_filter *x, t_signal **sp)
! {
!   if(!strcmp(x->x_filtname,"bp2"))
!     dsp_add(sigvcf_filter_perform_bp2, 6, sp[0]->s_vec, sp[1]->s_vec, 
!     sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n);
!   else if(!strcmp(x->x_filtname,"rbp2"))
!     dsp_add(sigvcf_filter_perform_rbp2, 6, sp[0]->s_vec, sp[1]->s_vec, 
!     sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n);
!   else if(!strcmp(x->x_filtname,"lp2"))
!     dsp_add(sigvcf_filter_perform_lp2, 6, sp[0]->s_vec, sp[1]->s_vec,
!     sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n);
!   else if(!strcmp(x->x_filtname,"hp2"))
!     dsp_add(sigvcf_filter_perform_hp2, 6, sp[0]->s_vec, sp[1]->s_vec,
!     sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n);
!   else
!   {
!     dsp_add(sigvcf_filter_perform_snafu, 6, sp[0]->s_vec, sp[1]->s_vec,
!       sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n);
!     post("vcf_filter~-Error: 1. initial-arguments: <sym> kind: lp2, bp2, rbp2, hp2!");
!   }
! }
! 
! static void *sigvcf_filter_new(t_symbol *filt_typ)
! {
!   t_sigvcf_filter *x = (t_sigvcf_filter *)pd_new(sigvcf_filter_class);
!   char *c;
!   
!   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
!   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
!   outlet_new(&x->x_obj, &s_signal);
!   x->x_msi = 0;
!   x->x_wn1 = 0.0;
!   x->x_wn2 = 0.0;
!   c = (char *)filt_typ->s_name;
!   c[5] = 0;
!   strcpy(x->x_filtname, c);
!   return(x);
! }
! 
! void sigvcf_filter_setup(void)
! {
!   sigvcf_filter_class = class_new(gensym("vcf_filter~"), (t_newmethod)sigvcf_filter_new,
!     0, sizeof(t_sigvcf_filter), 0, A_DEFSYM, 0);
!   CLASS_MAINSIGNALIN(sigvcf_filter_class, t_sigvcf_filter, x_msi);
!   class_addmethod(sigvcf_filter_class, (t_method)sigvcf_filter_dsp, gensym("dsp"), 0);
!   class_sethelpsymbol(sigvcf_filter_class, gensym("iemhelp/help-vcf_filter~"));
! }
Index: sigpvu.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/sigpvu.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** sigpvu.c	9 Mar 2005 17:15:59 -0000	1.2
--- sigpvu.c	2 Jun 2005 18:23:54 -0000	1.3
***************
*** 1,206 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ---------------- pvu~ - simple peak-vu-meter. ----------------- */
! 
! typedef struct sigpvu
! {
! 	t_object	x_obj;
! 	void			*x_outlet_meter;
! 	void			*x_outlet_over;
! 	void			*x_clock;
! 	float			x_cur_peak;
! 	float			x_old_peak;
! 	float			x_threshold_over;
! 	float			x_c1;
! 	int				x_metro_time;
! 	float			x_release_time;
! 	int				x_overflow_counter;
! 	int				x_started;
! 	float			x_msi;
! } t_sigpvu;
! 
! t_class *sigpvu_class;
! static void sigpvu_tick(t_sigpvu *x);
! 
! static void sigpvu_reset(t_sigpvu *x)
! {
! 	outlet_float(x->x_outlet_over, (t_float)0);
! 	outlet_float(x->x_outlet_meter, -199.9);
! 	x->x_overflow_counter = 0;
! 	x->x_cur_peak = 0.0f;
! 	x->x_old_peak = 0.0f;
! 	clock_delay(x->x_clock, x->x_metro_time);
! }
! 
! static void sigpvu_stop(t_sigpvu *x)
! {
! 	clock_unset(x->x_clock);
! 	x->x_started = 0;
! }
! 
! static void sigpvu_start(t_sigpvu *x)
! {
! 	clock_delay(x->x_clock, x->x_metro_time);
! 	x->x_started = 1;
! }
! 
! static void sigpvu_float(t_sigpvu *x, t_floatarg f)
! {
! 	if(f == 0.0)
! 	{
! 		clock_unset(x->x_clock);
! 		x->x_started = 0;
! 	}
! 	else
! 	{
! 		clock_delay(x->x_clock, x->x_metro_time);
! 		x->x_started = 1;
! 	}
! }
! 
! static void sigpvu_t_release(t_sigpvu *x, t_floatarg release_time)
! {
! 	if(release_time <= 20.0f)
! 		release_time = 20.0f;
! 	x->x_release_time = release_time;
! 	x->x_c1 = exp(-(float)x->x_metro_time/(float)release_time);
! }
! 
! static void sigpvu_t_metro(t_sigpvu *x, t_floatarg metro_time)
! {
! 	if(metro_time <= 20.0f)
! 		metro_time = 20.0f;
! 	x->x_metro_time = (int)metro_time;
! 	x->x_c1 = exp(-(float)metro_time/(float)x->x_release_time);
! }
! 
! static void sigpvu_threshold(t_sigpvu *x, t_floatarg thresh)
! {
! 	x->x_threshold_over = thresh;
! }
! 
! static t_int *sigpvu_perform(t_int *w)
! {
! 	float *in = (float *)(w[1]);
! 	t_sigpvu *x = (t_sigpvu *)(w[2]);
! 	int n = (int)(w[3]);
! 	float peak = x->x_cur_peak;
! 	float absolute;
! 	int i;
! 
! 	if(x->x_started)
! 	{
! 		for(i=0; i<n; i++)
! 		{
! 			absolute = fabs(*in++);
! 			if(absolute > peak)
! 				peak = absolute;
! 		}
! 		x->x_cur_peak = peak;
! 	}
! 	return(w+4);
! }
! 
! static void sigpvu_dsp(t_sigpvu *x, t_signal **sp)
! {
! 	dsp_add(sigpvu_perform, 3, sp[0]->s_vec, x, sp[0]->s_n);
! 	clock_delay(x->x_clock, x->x_metro_time);
! }
! 
! static void sigpvu_tick(t_sigpvu *x)
! {
! 	float db;
! 	int i;
! 
! 	x->x_old_peak *= x->x_c1;
! 	/* NAN protect */
! 	if(IEM_DENORMAL(x->x_old_peak))
! 		x->x_old_peak = 0.0f;
! 
! 	if(x->x_cur_peak > x->x_old_peak)
! 		x->x_old_peak = x->x_cur_peak;
! 	if(x->x_old_peak <= 0.0000000001f)
! 		db = -199.9f;
! 	else if(x->x_old_peak > 1000000.0f)
! 	{
! 		db = 120.0f;
! 		x->x_old_peak = 1000000.0f;
! 	}
! 	else
! 		db = 8.6858896381f*log(x->x_old_peak);
! 	if(db >= x->x_threshold_over)
! 	{
! 		x->x_overflow_counter++;
! 		outlet_float(x->x_outlet_over, (t_float)x->x_overflow_counter);
! 	}
! 	outlet_float(x->x_outlet_meter, db);
! 	x->x_cur_peak = 0.0f;
! 	clock_delay(x->x_clock, x->x_metro_time);
! }
! 
! static void *sigpvu_new(t_floatarg metro_time, t_floatarg release_time, t_floatarg threshold)
! {
! 	t_sigpvu *x;
! 	float t;
! 
! 	x = (t_sigpvu *)pd_new(sigpvu_class);
! 	if(metro_time <= 0.0f)
! 		metro_time = 300.0f;
! 	if(metro_time <= 20.0f)
! 		metro_time = 20.0f;
! 	if(release_time <= 0.0f)
! 		release_time = 300.0f;
! 	if(release_time <= 20.0f)
! 		release_time = 20.0f;
! 	if(threshold == 0.0f)
! 		threshold = -0.01f;
! 	x->x_threshold_over = threshold;
! 	x->x_overflow_counter = 0;
! 	x->x_metro_time = (int)metro_time;
! 	x->x_release_time = release_time;
! 	x->x_c1 = exp(-(float)metro_time/(float)release_time);
! 	x->x_cur_peak = 0.0f;
! 	x->x_old_peak = 0.0f;
! 	x->x_clock = clock_new(x, (t_method)sigpvu_tick);
! 	x->x_outlet_meter = outlet_new(&x->x_obj, &s_float);/* left */
! 	x->x_outlet_over = outlet_new(&x->x_obj, &s_float); /* right */
! 	x->x_started = 1;
! 	x->x_msi = 0;
! 	return(x);
! }
! 
! static void sigpvu_ff(t_sigpvu *x)
! {
! 	clock_free(x->x_clock);
! }
! 
! void sigpvu_setup(void )
! {
! 	sigpvu_class = class_new(gensym("pvu~"), (t_newmethod)sigpvu_new,
! 				 (t_method)sigpvu_ff, sizeof(t_sigpvu), 0, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
! 	CLASS_MAINSIGNALIN(sigpvu_class, t_sigpvu, x_msi);
! 	class_addmethod(sigpvu_class, (t_method)sigpvu_dsp, gensym("dsp"), 0);
! 	class_addfloat(sigpvu_class, sigpvu_float);
! 	class_addmethod(sigpvu_class, (t_method)sigpvu_reset, gensym("reset"), 0);
! 	class_addmethod(sigpvu_class, (t_method)sigpvu_start, gensym("start"), 0);
! 	class_addmethod(sigpvu_class, (t_method)sigpvu_stop, gensym("stop"), 0);
! 	class_addmethod(sigpvu_class, (t_method)sigpvu_t_release, gensym("t_release"), A_FLOAT, 0);
! 	class_addmethod(sigpvu_class, (t_method)sigpvu_t_metro, gensym("t_metro"), A_FLOAT, 0);
! 	class_addmethod(sigpvu_class, (t_method)sigpvu_threshold, gensym("threshold"), A_FLOAT, 0);
! 	class_sethelpsymbol(sigpvu_class, gensym("iemhelp/help-pvu~"));
! }
--- 1,206 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ---------------- pvu~ - simple peak-vu-meter. ----------------- */
! 
! typedef struct sigpvu
! {
!   t_object  x_obj;
!   void      *x_outlet_meter;
!   void      *x_outlet_over;
!   void      *x_clock;
!   float     x_cur_peak;
!   float     x_old_peak;
!   float     x_threshold_over;
!   float     x_c1;
!   int       x_metro_time;
!   float     x_release_time;
!   int       x_overflow_counter;
!   int       x_started;
!   float     x_msi;
! } t_sigpvu;
! 
! t_class *sigpvu_class;
! static void sigpvu_tick(t_sigpvu *x);
! 
! static void sigpvu_reset(t_sigpvu *x)
! {
!   outlet_float(x->x_outlet_over, (t_float)0);
!   outlet_float(x->x_outlet_meter, -199.9);
!   x->x_overflow_counter = 0;
!   x->x_cur_peak = 0.0f;
!   x->x_old_peak = 0.0f;
!   clock_delay(x->x_clock, x->x_metro_time);
! }
! 
! static void sigpvu_stop(t_sigpvu *x)
! {
!   clock_unset(x->x_clock);
!   x->x_started = 0;
! }
! 
! static void sigpvu_start(t_sigpvu *x)
! {
!   clock_delay(x->x_clock, x->x_metro_time);
!   x->x_started = 1;
! }
! 
! static void sigpvu_float(t_sigpvu *x, t_floatarg f)
! {
!   if(f == 0.0)
!   {
!     clock_unset(x->x_clock);
!     x->x_started = 0;
!   }
!   else
!   {
!     clock_delay(x->x_clock, x->x_metro_time);
!     x->x_started = 1;
!   }
! }
! 
! static void sigpvu_t_release(t_sigpvu *x, t_floatarg release_time)
! {
!   if(release_time <= 20.0f)
!     release_time = 20.0f;
!   x->x_release_time = release_time;
!   x->x_c1 = exp(-(float)x->x_metro_time/(float)release_time);
! }
! 
! static void sigpvu_t_metro(t_sigpvu *x, t_floatarg metro_time)
! {
!   if(metro_time <= 20.0f)
!     metro_time = 20.0f;
!   x->x_metro_time = (int)metro_time;
!   x->x_c1 = exp(-(float)metro_time/(float)x->x_release_time);
! }
! 
! static void sigpvu_threshold(t_sigpvu *x, t_floatarg thresh)
! {
!   x->x_threshold_over = thresh;
! }
! 
! static t_int *sigpvu_perform(t_int *w)
! {
!   float *in = (float *)(w[1]);
!   t_sigpvu *x = (t_sigpvu *)(w[2]);
!   int n = (int)(w[3]);
!   float peak = x->x_cur_peak;
!   float absolute;
!   int i;
!   
!   if(x->x_started)
!   {
!     for(i=0; i<n; i++)
!     {
!       absolute = fabs(*in++);
!       if(absolute > peak)
!         peak = absolute;
!     }
!     x->x_cur_peak = peak;
!   }
!   return(w+4);
! }
! 
! static void sigpvu_dsp(t_sigpvu *x, t_signal **sp)
! {
!   dsp_add(sigpvu_perform, 3, sp[0]->s_vec, x, sp[0]->s_n);
!   clock_delay(x->x_clock, x->x_metro_time);
! }
! 
! static void sigpvu_tick(t_sigpvu *x)
! {
!   float db;
!   int i;
!   
!   x->x_old_peak *= x->x_c1;
!   /* NAN protect */
!   if(IEM_DENORMAL(x->x_old_peak))
!     x->x_old_peak = 0.0f;
!   
!   if(x->x_cur_peak > x->x_old_peak)
!     x->x_old_peak = x->x_cur_peak;
!   if(x->x_old_peak <= 0.0000000001f)
!     db = -199.9f;
!   else if(x->x_old_peak > 1000000.0f)
!   {
!     db = 120.0f;
!     x->x_old_peak = 1000000.0f;
!   }
!   else
!     db = 8.6858896381f*log(x->x_old_peak);
!   if(db >= x->x_threshold_over)
!   {
!     x->x_overflow_counter++;
!     outlet_float(x->x_outlet_over, (t_float)x->x_overflow_counter);
!   }
!   outlet_float(x->x_outlet_meter, db);
!   x->x_cur_peak = 0.0f;
!   clock_delay(x->x_clock, x->x_metro_time);
! }
! 
! static void *sigpvu_new(t_floatarg metro_time, t_floatarg release_time, t_floatarg threshold)
! {
!   t_sigpvu *x;
!   float t;
!   
!   x = (t_sigpvu *)pd_new(sigpvu_class);
!   if(metro_time <= 0.0f)
!     metro_time = 300.0f;
!   if(metro_time <= 20.0f)
!     metro_time = 20.0f;
!   if(release_time <= 0.0f)
!     release_time = 300.0f;
!   if(release_time <= 20.0f)
!     release_time = 20.0f;
!   if(threshold == 0.0f)
!     threshold = -0.01f;
!   x->x_threshold_over = threshold;
!   x->x_overflow_counter = 0;
!   x->x_metro_time = (int)metro_time;
!   x->x_release_time = release_time;
!   x->x_c1 = exp(-(float)metro_time/(float)release_time);
!   x->x_cur_peak = 0.0f;
!   x->x_old_peak = 0.0f;
!   x->x_clock = clock_new(x, (t_method)sigpvu_tick);
!   x->x_outlet_meter = outlet_new(&x->x_obj, &s_float);/* left */
!   x->x_outlet_over = outlet_new(&x->x_obj, &s_float); /* right */
!   x->x_started = 1;
!   x->x_msi = 0;
!   return(x);
! }
! 
! static void sigpvu_ff(t_sigpvu *x)
! {
!   clock_free(x->x_clock);
! }
! 
! void sigpvu_setup(void )
! {
!   sigpvu_class = class_new(gensym("pvu~"), (t_newmethod)sigpvu_new,
!     (t_method)sigpvu_ff, sizeof(t_sigpvu), 0, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
!   CLASS_MAINSIGNALIN(sigpvu_class, t_sigpvu, x_msi);
!   class_addmethod(sigpvu_class, (t_method)sigpvu_dsp, gensym("dsp"), 0);
!   class_addfloat(sigpvu_class, sigpvu_float);
!   class_addmethod(sigpvu_class, (t_method)sigpvu_reset, gensym("reset"), 0);
!   class_addmethod(sigpvu_class, (t_method)sigpvu_start, gensym("start"), 0);
!   class_addmethod(sigpvu_class, (t_method)sigpvu_stop, gensym("stop"), 0);
!   class_addmethod(sigpvu_class, (t_method)sigpvu_t_release, gensym("t_release"), A_FLOAT, 0);
!   class_addmethod(sigpvu_class, (t_method)sigpvu_t_metro, gensym("t_metro"), A_FLOAT, 0);
!   class_addmethod(sigpvu_class, (t_method)sigpvu_threshold, gensym("threshold"), A_FLOAT, 0);
!   class_sethelpsymbol(sigpvu_class, gensym("iemhelp/help-pvu~"));
! }
Index: gate.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/gate.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** gate.c	18 May 2004 21:33:29 -0000	1.1.1.1
--- gate.c	2 Jun 2005 18:23:54 -0000	1.2
***************
*** 1,84 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* -------------------------- gate ------------------------------ */
! 
! typedef struct _gate
! {
!     t_object  x_obj;
!     float     x_state;
! } t_gate;
! 
! static t_class *gate_class;
! 
! static void gate_bang(t_gate *x)
! {
!     if(x->x_state != 0)
! 	outlet_bang(x->x_obj.ob_outlet);
! }
! 
! static void gate_pointer(t_gate *x, t_gpointer *gp)
! {
!     if(x->x_state != 0)
! 	outlet_pointer(x->x_obj.ob_outlet, gp);
! }
! 
! static void gate_float(t_gate *x, t_floatarg f)
! {
!     if(x->x_state != 0)
! 	outlet_float(x->x_obj.ob_outlet, f);
! }
! 
! static void gate_symbol(t_gate *x, t_symbol *s)
! {
!     if(x->x_state != 0)
! 	outlet_symbol(x->x_obj.ob_outlet, s);
! }
! 
! static void gate_list(t_gate *x, t_symbol *s, int argc, t_atom *argv)
! {
!     if(x->x_state != 0)
! 	outlet_list(x->x_obj.ob_outlet, s, argc, argv);
! }
! 
! static void gate_anything(t_gate *x, t_symbol *s, int argc, t_atom *argv)
! {
!     if(x->x_state != 0)
! 	outlet_anything(x->x_obj.ob_outlet, s, argc, argv);
! }
! 
! static void *gate_new(t_floatarg f)
! {
!     t_gate *x = (t_gate *)pd_new(gate_class);
!     floatinlet_new(&x->x_obj, &x->x_state);
!     outlet_new(&x->x_obj, 0);
!     x->x_state = (f==0.0)?0:1;
!     return (x);
! }
! 
! void gate_setup(void)
! {
!     gate_class = class_new(gensym("gate"), (t_newmethod)gate_new, 0,
!     	sizeof(t_gate), 0, A_DEFFLOAT, 0);
!     class_addbang(gate_class, gate_bang);
!     class_addpointer(gate_class, gate_pointer);
!     class_addfloat(gate_class, gate_float);
!     class_addsymbol(gate_class, gate_symbol);
!     class_addlist(gate_class, gate_list);
!     class_addanything(gate_class, gate_anything);
!     class_sethelpsymbol(gate_class, gensym("iemhelp/help-gate"));
! }
--- 1,85 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2004 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* --------- gate ---------------------- */
! /* ----------- like spigot  ------------ */
! 
! typedef struct _gate
! {
!   t_object  x_obj;
!   float     x_state;
! } t_gate;
! 
! static t_class *gate_class;
! 
! static void gate_bang(t_gate *x)
! {
!   if(x->x_state != 0)
!     outlet_bang(x->x_obj.ob_outlet);
! }
! 
! static void gate_pointer(t_gate *x, t_gpointer *gp)
! {
!   if(x->x_state != 0)
!     outlet_pointer(x->x_obj.ob_outlet, gp);
! }
! 
! static void gate_float(t_gate *x, t_floatarg f)
! {
!   if(x->x_state != 0)
!     outlet_float(x->x_obj.ob_outlet, f);
! }
! 
! static void gate_symbol(t_gate *x, t_symbol *s)
! {
!   if(x->x_state != 0)
!     outlet_symbol(x->x_obj.ob_outlet, s);
! }
! 
! static void gate_list(t_gate *x, t_symbol *s, int argc, t_atom *argv)
! {
!   if(x->x_state != 0)
!     outlet_list(x->x_obj.ob_outlet, s, argc, argv);
! }
! 
! static void gate_anything(t_gate *x, t_symbol *s, int argc, t_atom *argv)
! {
!   if(x->x_state != 0)
!     outlet_anything(x->x_obj.ob_outlet, s, argc, argv);
! }
! 
! static void *gate_new(t_floatarg f)
! {
!   t_gate *x = (t_gate *)pd_new(gate_class);
!   floatinlet_new(&x->x_obj, &x->x_state);
!   outlet_new(&x->x_obj, 0);
!   x->x_state = (f==0.0)?0:1;
!   return (x);
! }
! 
! void gate_setup(void)
! {
!   gate_class = class_new(gensym("gate"), (t_newmethod)gate_new, 0,
!     sizeof(t_gate), 0, A_DEFFLOAT, 0);
!   class_addbang(gate_class, gate_bang);
!   class_addpointer(gate_class, gate_pointer);
!   class_addfloat(gate_class, gate_float);
!   class_addsymbol(gate_class, gate_symbol);
!   class_addlist(gate_class, gate_list);
!   class_addanything(gate_class, gate_anything);
!   class_sethelpsymbol(gate_class, gensym("iemhelp/help-gate"));
! }
Index: sigpara_bp2.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/sigpara_bp2.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** sigpara_bp2.c	9 Mar 2005 17:15:59 -0000	1.2
--- sigpara_bp2.c	2 Jun 2005 18:23:54 -0000	1.3
***************
*** 1,426 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! 
! /* ---------- para_bp2~ - parametric bandpass 2. order ----------- */
! 
! typedef struct sigpara_bp2
! {
! 	t_object x_obj;
! 	float	wn1;
! 	float	wn2;
! 	float	a0;
! 	float	a1;
! 	float	a2;
! 	float	b1;
! 	float	b2;
! 	float	sr;
! 	float	cur_f;
! 	float	cur_l;
! 	float	cur_a;
! 	float	cur_g;
! 	float	delta_f;
! 	float	delta_a;
! 	float	delta_g;
! 	float	end_f;
! 	float	end_a;
! 	float	end_g;
! 	float	ticks_per_interpol_time;
! 	float	rcp_ticks;
! 	float	interpol_time;
! 	int	  ticks;
! 	int	  counter_f;
! 	int	  counter_a;
! 	int	  counter_g;
! 	int	  event_mask;
! 	void	*x_debug_outlet;
! 	t_atom x_at[5];
! 	float	x_msi;
! } t_sigpara_bp2;
! 
! t_class *sigpara_bp2_class;
! 
! static void sigpara_bp2_calc(t_sigpara_bp2 *x)
! {
! 	float l, al, gal, l2, rcp;
! 
! 	l = x->cur_l;
! 	l2 = l*l + 1.0;
! 	al = l*x->cur_a;
! 	gal = al*x->cur_g;
! 	rcp = 1.0f/(al + l2);
! 	x->a0 = rcp*(l2 + gal);
! 	x->a1 = rcp*2.0f*(2.0f - l2);
! 	x->a2 = rcp*(l2 - gal);
! 	x->b1 = -x->a1;
! 	x->b2 = rcp*(al - l2);
! }
! 
! static void sigpara_bp2_dsp_tick(t_sigpara_bp2 *x)
! {
! 	if(x->event_mask)
! 	{
! 		float discriminant;
! 
! 		if(x->counter_f)
! 		{
! 			float l, si, co;
! 
! 			if(x->counter_f <= 1)
! 			{
! 				x->cur_f = x->end_f;
! 				x->counter_f = 0;
! 				x->event_mask &= 6;/*set event_mask_bit 0 = 0*/
! 			}
! 			else
! 			{
! 				x->counter_f--;
! 				x->cur_f *= x->delta_f;
! 			}
! 			l = x->cur_f * x->sr;
! 			if(l < 1.0e-20f)
! 				x->cur_l = 1.0e20f;
! 			else if(l > 1.57079632f)
! 				x->cur_l = 0.0f;
! 			else
! 			{
! 				si = sin(l);
! 				co = cos(l);
! 				x->cur_l = co/si;
! 			}
! 		}
! 		if(x->counter_a)
! 		{
! 			if(x->counter_a <= 1)
! 			{
! 				x->cur_a = x->end_a;
! 				x->counter_a = 0;
! 				x->event_mask &= 5;/*set event_mask_bit 1 = 0*/
! 			}
! 			else
! 			{
! 				x->counter_a--;
! 				x->cur_a *= x->delta_a;
! 			}
! 		}
! 		if(x->counter_g)
! 		{
! 			if(x->counter_g <= 1)
! 			{
! 				x->cur_g = x->end_g;
! 				x->counter_g = 0;
! 				x->event_mask &= 3;/*set event_mask_bit 2 = 0*/
! 			}
! 			else
! 			{
! 				x->counter_g--;
! 				x->cur_g *= x->delta_g;
! 			}
! 		}
! 
! 		sigpara_bp2_calc(x);
! 
! 		/* stability check */
! 		
! 		discriminant = x->b1 * x->b1 + 4.0f * x->b2;
! 		if(x->b1 <= -1.9999996f)
! 			x->b1 = -1.9999996f;
! 		else if(x->b1 >= 1.9999996f)
! 			x->b1 = 1.9999996f;
! 
! 		if(x->b2 <= -0.9999998f)
! 			x->b2 = -0.9999998f;
! 		else if(x->b2 >= 0.9999998f)
! 			x->b2 = 0.9999998f;
! 
! 		if(discriminant >= 0.0f)
! 		{
! 			if(0.9999998f - x->b1 - x->b2 < 0.0f)
! 				x->b2 = 0.9999998f - x->b1;
! 			if(0.9999998f + x->b1 - x->b2 < 0.0f)
! 				x->b2 = 0.9999998f + x->b1;
! 		}
! 	}
! }
! 
! static t_int *sigpara_bp2_perform(t_int *w)
! {
! 	float *in = (float *)(w[1]);
! 	float *out = (float *)(w[2]);
! 	t_sigpara_bp2 *x = (t_sigpara_bp2 *)(w[3]);
! 	int i, n = (t_int)(w[4]);
! 	float wn0, wn1=x->wn1, wn2=x->wn2;
! 	float a0=x->a0, a1=x->a1, a2=x->a2;
! 	float b1=x->b1, b2=x->b2;
! 
! 	sigpara_bp2_dsp_tick(x);
! 	for(i=0; i<n; i++)
! 	{
! 		wn0 = *in++ + b1*wn1 + b2*wn2;
! 		*out++ = a0*wn0 + a1*wn1 + a2*wn2;
! 		wn2 = wn1;
! 		wn1 = wn0;
! 	}
! 	/* NAN protect */
! 	if(IEM_DENORMAL(wn2))
! 		wn2 = 0.0f;
! 	if(IEM_DENORMAL(wn1))
! 		wn1 = 0.0f;
! 
! 	x->wn1 = wn1;
! 	x->wn2 = wn2;
! 	return(w+5);
! }
! /*   yn0 = *out;
! 	 xn0 = *in;
! 	 *************
! 	 yn0 = a0*xn0 + a1*xn1 + a2*xn2 + b1*yn1 + b2*yn2;
! 	 yn2 = yn1;
! 	 yn1 = yn0;
! 	 xn2 = xn1;
! 	 xn1 = xn0;
! 	 *************************
! 	 y/x = (a0 + a1*z-1 + a2*z-2)/(1 - b1*z-1 - b2*z-2);*/
! 
! static t_int *sigpara_bp2_perf8(t_int *w)
! {
! 	float *in = (float *)(w[1]);
! 	float *out = (float *)(w[2]);
! 	t_sigpara_bp2 *x = (t_sigpara_bp2 *)(w[3]);
! 	int i, n = (t_int)(w[4]);
! 	float wn[10];
! 	float a0=x->a0, a1=x->a1, a2=x->a2;
! 	float b1=x->b1, b2=x->b2;
! 
! 	sigpara_bp2_dsp_tick(x);
! 	wn[0] = x->wn2;
! 	wn[1] = x->wn1;
! 	for(i=0; i<n; i+=8, in+=8, out+=8)
! 	{
! 		wn[2] = in[0] + b1*wn[1] + b2*wn[0];
! 		out[0] = a0*wn[2] + a1*wn[1] + a2*wn[0];
! 		wn[3] = in[1] + b1*wn[2] + b2*wn[1];
! 		out[1] = a0*wn[3] + a1*wn[2] + a2*wn[1];
! 		wn[4] = in[2] + b1*wn[3] + b2*wn[2];
! 		out[2] = a0*wn[4] + a1*wn[3] + a2*wn[2];
! 		wn[5] = in[3] + b1*wn[4] + b2*wn[3];
! 		out[3] = a0*wn[5] + a1*wn[4] + a2*wn[3];
! 		wn[6] = in[4] + b1*wn[5] + b2*wn[4];
! 		out[4] = a0*wn[6] + a1*wn[5] + a2*wn[4];
! 		wn[7] = in[5] + b1*wn[6] + b2*wn[5];
! 		out[5] = a0*wn[7] + a1*wn[6] + a2*wn[5];
! 		wn[8] = in[6] + b1*wn[7] + b2*wn[6];
! 		out[6] = a0*wn[8] + a1*wn[7] + a2*wn[6];
! 		wn[9] = in[7] + b1*wn[8] + b2*wn[7];
! 		out[7] = a0*wn[9] + a1*wn[8] + a2*wn[7];
! 		wn[0] = wn[8];
! 		wn[1] = wn[9];
! 	}
! 	/* NAN protect */
! 	if(IEM_DENORMAL(wn[0]))
! 		wn[0] = 0.0f;
! 	if(IEM_DENORMAL(wn[1]))
! 		wn[1] = 0.0f;
! 
! 	x->wn1 = wn[1];
! 	x->wn2 = wn[0];
! 	return(w+5);
! }
! 
! static void sigpara_bp2_ft4(t_sigpara_bp2 *x, t_floatarg t)
! {
! 	int i = (int)((x->ticks_per_interpol_time)*t);
! 
! 	x->interpol_time = t;
! 	if(i <= 0)
! 		i = 1;
! 	x->ticks = i;
! 	x->rcp_ticks = 1.0f / (float)i;
! }
! 
! static void sigpara_bp2_ft3(t_sigpara_bp2 *x, t_floatarg l)
! {
! 	float g = exp(0.11512925465 * l);
! 
! 	if(g != x->cur_g)
! 	{
! 		x->end_g = g;
! 		x->counter_g = x->ticks;
! 		x->delta_g = exp(log(g/x->cur_g)*x->rcp_ticks);
! 		x->event_mask |= 4;/*set event_mask_bit 2 = 1*/
! 	}
! }
! 
! static void sigpara_bp2_ft2(t_sigpara_bp2 *x, t_floatarg q)
! {
! 	float a;
! 
! 	if(q <= 0.0f)
! 		q = 0.000001f;
! 	a = 1.0f/q;
! 	if(a != x->cur_a)
! 	{
! 		x->end_a = a;
! 		x->counter_a = x->ticks;
! 		x->delta_a = exp(log(a/x->cur_a)*x->rcp_ticks);
! 		x->event_mask |= 2;/*set event_mask_bit 1 = 1*/
! 	}
! }
! 
! static void sigpara_bp2_ft1(t_sigpara_bp2 *x, t_floatarg f)
! {
! 	if(f <= 0.0f)
! 		f = 0.000001f;
! 	if(f != x->cur_f)
! 	{
! 		x->end_f = f;
! 		x->counter_f = x->ticks;
! 		x->delta_f = exp(log(f/x->cur_f)*x->rcp_ticks);
! 		x->event_mask |= 1;/*set event_mask_bit 0 = 1*/
! 	}
! }
! 
! static void sigpara_bp2_print(t_sigpara_bp2 *x)
! {
! //	post("fb1 = %g, fb2 = %g, ff1 = %g, ff2 = %g, ff3 = %g", x->b1, x->b2, x->a0, x->a1, x->a2);
! 	x->x_at[0].a_w.w_float = x->b1;
! 	x->x_at[1].a_w.w_float = x->b2;
! 	x->x_at[2].a_w.w_float = x->a0;
! 	x->x_at[3].a_w.w_float = x->a1;
! 	x->x_at[4].a_w.w_float = x->a2;
! 	outlet_list(x->x_debug_outlet, &s_list, 5, x->x_at);
! }
! 
! static void sigpara_bp2_dsp(t_sigpara_bp2 *x, t_signal **sp)
! {
! 	float si, co, f;
! 	int i, n=(int)sp[0]->s_n;
! 
! 	x->sr = 3.14159265358979323846f / (float)(sp[0]->s_sr);
! 	x->ticks_per_interpol_time = 0.001f * (float)(sp[0]->s_sr) / (float)n;
! 	i = (int)((x->ticks_per_interpol_time)*(x->interpol_time));
! 	if(i <= 0)
! 		i = 1;
! 	x->ticks = i;
! 	x->rcp_ticks = 1.0f / (float)i;
! 	f = x->cur_f * x->sr;
! 	if(f < 1.0e-20f)
! 		x->cur_l = 1.0e20f;
! 	else if(f > 1.57079632f)
! 		x->cur_l = 0.0f;
! 	else
! 	{
! 		si = sin(f);
! 		co = cos(f);
! 		x->cur_l = co/si;
! 	}
! 	if(n&7)
! 		dsp_add(sigpara_bp2_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
! 	else
! 		dsp_add(sigpara_bp2_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
! }
! 
! static void *sigpara_bp2_new(t_symbol *s, int argc, t_atom *argv)
! {
! 	t_sigpara_bp2 *x = (t_sigpara_bp2 *)pd_new(sigpara_bp2_class);
! 	int i;
! 	float si, co, f=0.0, q=1.0, l=0.0, interpol=0.0;
! 
! 	inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
! 	inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft2"));
! 	inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft3"));
! 	inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft4"));
! 	outlet_new(&x->x_obj, &s_signal);
! 	x->x_debug_outlet = outlet_new(&x->x_obj, &s_list);
! 	x->x_msi = 0;
! 
! 	x->x_at[0].a_type = A_FLOAT;
! 	x->x_at[1].a_type = A_FLOAT;
! 	x->x_at[2].a_type = A_FLOAT;
! 	x->x_at[3].a_type = A_FLOAT;
! 	x->x_at[4].a_type = A_FLOAT;
! 
! 	x->event_mask = 1;
! 	x->counter_f = 1;
! 	x->counter_a = 0;
! 	x->counter_g = 0;
! 	x->delta_f = 0.0f;
! 	x->delta_a = 0.0f;
! 	x->delta_g = 0.0f;
! 	x->interpol_time = 500.0f;
! 	x->wn1 = 0.0;
! 	x->wn2 = 0.0;
! 	x->a0 = 0.0;
! 	x->a1 = 0.0;
! 	x->a2 = 0.0;
! 	x->b1 = 0.0;
! 	x->b2 = 0.0;
! 	x->sr = 3.14159265358979323846f / 44100.0f;
! 	x->cur_a = 1.0;
! 	if((argc == 4)&&IS_A_FLOAT(argv,3)&&IS_A_FLOAT(argv,2)&&IS_A_FLOAT(argv,1)&&IS_A_FLOAT(argv,0))
! 	{
! 		f = (float)atom_getfloatarg(0, argc, argv);
! 		q = (float)atom_getfloatarg(1, argc, argv);
! 		l = (float)atom_getfloatarg(2, argc, argv);
! 		interpol = (float)atom_getfloatarg(3, argc, argv);
! 	}
! 	if(f <= 0.0f)
! 		f = 0.000001f;
! 	x->cur_f = f;
! 	f *= x->sr;
! 	if(f < 1.0e-20f)
! 		x->cur_l = 1.0e20f;
! 	else if(f > 1.57079632f)
! 		x->cur_l = 0.0f;
! 	else
! 	{
! 		si = sin(f);
! 		co = cos(f);
! 		x->cur_l = co/si;
! 	}
! 	if(q <= 0.0f)
! 		q = 0.000001f;
! 	x->cur_a = 1.0f/q;
! 	x->cur_g = exp(0.11512925465 * l);
! 	if(interpol <= 0.0f)
! 		interpol = 0.0f;
! 	x->interpol_time = interpol;
! 	x->ticks_per_interpol_time = 0.5f;
! 	i = (int)((x->ticks_per_interpol_time)*(x->interpol_time));
! 	if(i <= 0)
! 		i = 1;
! 	x->ticks = i;
! 	x->rcp_ticks = 1.0f / (float)i;
! 	x->end_f = x->cur_f;
! 	x->end_a = x->cur_a;
! 	x->end_g = x->cur_g;
! 	return(x);
! }
! 
! void sigpara_bp2_setup(void)
! {
! 	sigpara_bp2_class = class_new(gensym("para_bp2~"), (t_newmethod)sigpara_bp2_new,
! 				0, sizeof(t_sigpara_bp2), 0, A_GIMME, 0);
! 	CLASS_MAINSIGNALIN(sigpara_bp2_class, t_sigpara_bp2, x_msi);
! 	class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_dsp, gensym("dsp"), 0);
! 	class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft1, gensym("ft1"), A_FLOAT, 0);
! 	class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft2, gensym("ft2"), A_FLOAT, 0);
! 	class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft3, gensym("ft3"), A_FLOAT, 0);
! 	class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft4, gensym("ft4"), A_FLOAT, 0);
! 	class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_print, gensym("print"), 0);
! 	class_sethelpsymbol(sigpara_bp2_class, gensym("iemhelp/help-para_bp2~"));
! }
--- 1,426 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! 
! /* ---------- para_bp2~ - parametric bandpass 2. order ----------- */
! 
! typedef struct sigpara_bp2
! {
!   t_object x_obj;
!   float wn1;
!   float wn2;
!   float a0;
!   float a1;
!   float a2;
!   float b1;
!   float b2;
!   float sr;
!   float cur_f;
!   float cur_l;
!   float cur_a;
!   float cur_g;
!   float delta_f;
!   float delta_a;
!   float delta_g;
!   float end_f;
!   float end_a;
!   float end_g;
!   float ticks_per_interpol_time;
!   float rcp_ticks;
!   float interpol_time;
!   int   ticks;
!   int   counter_f;
!   int   counter_a;
!   int   counter_g;
!   int   event_mask;
!   void  *x_debug_outlet;
!   t_atom x_at[5];
!   float x_msi;
! } t_sigpara_bp2;
! 
! t_class *sigpara_bp2_class;
! 
! static void sigpara_bp2_calc(t_sigpara_bp2 *x)
! {
!   float l, al, gal, l2, rcp;
!   
!   l = x->cur_l;
!   l2 = l*l + 1.0;
!   al = l*x->cur_a;
!   gal = al*x->cur_g;
!   rcp = 1.0f/(al + l2);
!   x->a0 = rcp*(l2 + gal);
!   x->a1 = rcp*2.0f*(2.0f - l2);
!   x->a2 = rcp*(l2 - gal);
!   x->b1 = -x->a1;
!   x->b2 = rcp*(al - l2);
! }
! 
! static void sigpara_bp2_dsp_tick(t_sigpara_bp2 *x)
! {
!   if(x->event_mask)
!   {
!     float discriminant;
!     
!     if(x->counter_f)
!     {
!       float l, si, co;
!       
!       if(x->counter_f <= 1)
!       {
!         x->cur_f = x->end_f;
!         x->counter_f = 0;
!         x->event_mask &= 6;/*set event_mask_bit 0 = 0*/
!       }
!       else
!       {
!         x->counter_f--;
!         x->cur_f *= x->delta_f;
!       }
!       l = x->cur_f * x->sr;
!       if(l < 1.0e-20f)
!         x->cur_l = 1.0e20f;
!       else if(l > 1.57079632f)
!         x->cur_l = 0.0f;
!       else
!       {
!         si = sin(l);
!         co = cos(l);
!         x->cur_l = co/si;
!       }
!     }
!     if(x->counter_a)
!     {
!       if(x->counter_a <= 1)
!       {
!         x->cur_a = x->end_a;
!         x->counter_a = 0;
!         x->event_mask &= 5;/*set event_mask_bit 1 = 0*/
!       }
!       else
!       {
!         x->counter_a--;
!         x->cur_a *= x->delta_a;
!       }
!     }
!     if(x->counter_g)
!     {
!       if(x->counter_g <= 1)
!       {
!         x->cur_g = x->end_g;
!         x->counter_g = 0;
!         x->event_mask &= 3;/*set event_mask_bit 2 = 0*/
!       }
!       else
!       {
!         x->counter_g--;
!         x->cur_g *= x->delta_g;
!       }
!     }
!     
!     sigpara_bp2_calc(x);
!     
!     /* stability check */
!     
!     discriminant = x->b1 * x->b1 + 4.0f * x->b2;
!     if(x->b1 <= -1.9999996f)
!       x->b1 = -1.9999996f;
!     else if(x->b1 >= 1.9999996f)
!       x->b1 = 1.9999996f;
!     
!     if(x->b2 <= -0.9999998f)
!       x->b2 = -0.9999998f;
!     else if(x->b2 >= 0.9999998f)
!       x->b2 = 0.9999998f;
!     
!     if(discriminant >= 0.0f)
!     {
!       if(0.9999998f - x->b1 - x->b2 < 0.0f)
!         x->b2 = 0.9999998f - x->b1;
!       if(0.9999998f + x->b1 - x->b2 < 0.0f)
!         x->b2 = 0.9999998f + x->b1;
!     }
!   }
! }
! 
! static t_int *sigpara_bp2_perform(t_int *w)
! {
!   float *in = (float *)(w[1]);
!   float *out = (float *)(w[2]);
!   t_sigpara_bp2 *x = (t_sigpara_bp2 *)(w[3]);
!   int i, n = (t_int)(w[4]);
!   float wn0, wn1=x->wn1, wn2=x->wn2;
!   float a0=x->a0, a1=x->a1, a2=x->a2;
!   float b1=x->b1, b2=x->b2;
!   
!   sigpara_bp2_dsp_tick(x);
!   for(i=0; i<n; i++)
!   {
!     wn0 = *in++ + b1*wn1 + b2*wn2;
!     *out++ = a0*wn0 + a1*wn1 + a2*wn2;
!     wn2 = wn1;
!     wn1 = wn0;
!   }
!   /* NAN protect */
!   if(IEM_DENORMAL(wn2))
!     wn2 = 0.0f;
!   if(IEM_DENORMAL(wn1))
!     wn1 = 0.0f;
!   
!   x->wn1 = wn1;
!   x->wn2 = wn2;
!   return(w+5);
! }
! /*   yn0 = *out;
! xn0 = *in;
! *************
! yn0 = a0*xn0 + a1*xn1 + a2*xn2 + b1*yn1 + b2*yn2;
! yn2 = yn1;
! yn1 = yn0;
! xn2 = xn1;
! xn1 = xn0;
! *************************
! y/x = (a0 + a1*z-1 + a2*z-2)/(1 - b1*z-1 - b2*z-2);*/
! 
! static t_int *sigpara_bp2_perf8(t_int *w)
! {
!   float *in = (float *)(w[1]);
!   float *out = (float *)(w[2]);
!   t_sigpara_bp2 *x = (t_sigpara_bp2 *)(w[3]);
!   int i, n = (t_int)(w[4]);
!   float wn[10];
!   float a0=x->a0, a1=x->a1, a2=x->a2;
!   float b1=x->b1, b2=x->b2;
!   
!   sigpara_bp2_dsp_tick(x);
!   wn[0] = x->wn2;
!   wn[1] = x->wn1;
!   for(i=0; i<n; i+=8, in+=8, out+=8)
!   {
!     wn[2] = in[0] + b1*wn[1] + b2*wn[0];
!     out[0] = a0*wn[2] + a1*wn[1] + a2*wn[0];
!     wn[3] = in[1] + b1*wn[2] + b2*wn[1];
!     out[1] = a0*wn[3] + a1*wn[2] + a2*wn[1];
!     wn[4] = in[2] + b1*wn[3] + b2*wn[2];
!     out[2] = a0*wn[4] + a1*wn[3] + a2*wn[2];
!     wn[5] = in[3] + b1*wn[4] + b2*wn[3];
!     out[3] = a0*wn[5] + a1*wn[4] + a2*wn[3];
!     wn[6] = in[4] + b1*wn[5] + b2*wn[4];
!     out[4] = a0*wn[6] + a1*wn[5] + a2*wn[4];
!     wn[7] = in[5] + b1*wn[6] + b2*wn[5];
!     out[5] = a0*wn[7] + a1*wn[6] + a2*wn[5];
!     wn[8] = in[6] + b1*wn[7] + b2*wn[6];
!     out[6] = a0*wn[8] + a1*wn[7] + a2*wn[6];
!     wn[9] = in[7] + b1*wn[8] + b2*wn[7];
!     out[7] = a0*wn[9] + a1*wn[8] + a2*wn[7];
!     wn[0] = wn[8];
!     wn[1] = wn[9];
!   }
!   /* NAN protect */
!   if(IEM_DENORMAL(wn[0]))
!     wn[0] = 0.0f;
!   if(IEM_DENORMAL(wn[1]))
!     wn[1] = 0.0f;
!   
!   x->wn1 = wn[1];
!   x->wn2 = wn[0];
!   return(w+5);
! }
! 
! static void sigpara_bp2_ft4(t_sigpara_bp2 *x, t_floatarg t)
! {
!   int i = (int)((x->ticks_per_interpol_time)*t);
!   
!   x->interpol_time = t;
!   if(i <= 0)
!     i = 1;
!   x->ticks = i;
!   x->rcp_ticks = 1.0f / (float)i;
! }
! 
! static void sigpara_bp2_ft3(t_sigpara_bp2 *x, t_floatarg l)
! {
!   float g = exp(0.11512925465 * l);
!   
!   if(g != x->cur_g)
!   {
!     x->end_g = g;
!     x->counter_g = x->ticks;
!     x->delta_g = exp(log(g/x->cur_g)*x->rcp_ticks);
!     x->event_mask |= 4;/*set event_mask_bit 2 = 1*/
!   }
! }
! 
! static void sigpara_bp2_ft2(t_sigpara_bp2 *x, t_floatarg q)
! {
!   float a;
!   
!   if(q <= 0.0f)
!     q = 0.000001f;
!   a = 1.0f/q;
!   if(a != x->cur_a)
!   {
!     x->end_a = a;
!     x->counter_a = x->ticks;
!     x->delta_a = exp(log(a/x->cur_a)*x->rcp_ticks);
!     x->event_mask |= 2;/*set event_mask_bit 1 = 1*/
!   }
! }
! 
! static void sigpara_bp2_ft1(t_sigpara_bp2 *x, t_floatarg f)
! {
!   if(f <= 0.0f)
!     f = 0.000001f;
!   if(f != x->cur_f)
!   {
!     x->end_f = f;
!     x->counter_f = x->ticks;
!     x->delta_f = exp(log(f/x->cur_f)*x->rcp_ticks);
!     x->event_mask |= 1;/*set event_mask_bit 0 = 1*/
!   }
! }
! 
! static void sigpara_bp2_print(t_sigpara_bp2 *x)
! {
!   //  post("fb1 = %g, fb2 = %g, ff1 = %g, ff2 = %g, ff3 = %g", x->b1, x->b2, x->a0, x->a1, x->a2);
!   x->x_at[0].a_w.w_float = x->b1;
!   x->x_at[1].a_w.w_float = x->b2;
!   x->x_at[2].a_w.w_float = x->a0;
!   x->x_at[3].a_w.w_float = x->a1;
!   x->x_at[4].a_w.w_float = x->a2;
!   outlet_list(x->x_debug_outlet, &s_list, 5, x->x_at);
! }
! 
! static void sigpara_bp2_dsp(t_sigpara_bp2 *x, t_signal **sp)
! {
!   float si, co, f;
!   int i, n=(int)sp[0]->s_n;
!   
!   x->sr = 3.14159265358979323846f / (float)(sp[0]->s_sr);
!   x->ticks_per_interpol_time = 0.001f * (float)(sp[0]->s_sr) / (float)n;
!   i = (int)((x->ticks_per_interpol_time)*(x->interpol_time));
!   if(i <= 0)
!     i = 1;
!   x->ticks = i;
!   x->rcp_ticks = 1.0f / (float)i;
!   f = x->cur_f * x->sr;
!   if(f < 1.0e-20f)
!     x->cur_l = 1.0e20f;
!   else if(f > 1.57079632f)
!     x->cur_l = 0.0f;
!   else
!   {
!     si = sin(f);
!     co = cos(f);
!     x->cur_l = co/si;
!   }
!   if(n&7)
!     dsp_add(sigpara_bp2_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
!   else
!     dsp_add(sigpara_bp2_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
! }
! 
! static void *sigpara_bp2_new(t_symbol *s, int argc, t_atom *argv)
! {
!   t_sigpara_bp2 *x = (t_sigpara_bp2 *)pd_new(sigpara_bp2_class);
!   int i;
!   float si, co, f=0.0, q=1.0, l=0.0, interpol=0.0;
!   
!   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
!   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft2"));
!   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft3"));
!   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft4"));
!   outlet_new(&x->x_obj, &s_signal);
!   x->x_debug_outlet = outlet_new(&x->x_obj, &s_list);
!   x->x_msi = 0;
!   
!   x->x_at[0].a_type = A_FLOAT;
!   x->x_at[1].a_type = A_FLOAT;
!   x->x_at[2].a_type = A_FLOAT;
!   x->x_at[3].a_type = A_FLOAT;
!   x->x_at[4].a_type = A_FLOAT;
!   
!   x->event_mask = 1;
!   x->counter_f = 1;
!   x->counter_a = 0;
!   x->counter_g = 0;
!   x->delta_f = 0.0f;
!   x->delta_a = 0.0f;
!   x->delta_g = 0.0f;
!   x->interpol_time = 500.0f;
!   x->wn1 = 0.0;
!   x->wn2 = 0.0;
!   x->a0 = 0.0;
!   x->a1 = 0.0;
!   x->a2 = 0.0;
!   x->b1 = 0.0;
!   x->b2 = 0.0;
!   x->sr = 3.14159265358979323846f / 44100.0f;
!   x->cur_a = 1.0;
!   if((argc == 4)&&IS_A_FLOAT(argv,3)&&IS_A_FLOAT(argv,2)&&IS_A_FLOAT(argv,1)&&IS_A_FLOAT(argv,0))
!   {
!     f = (float)atom_getfloatarg(0, argc, argv);
!     q = (float)atom_getfloatarg(1, argc, argv);
!     l = (float)atom_getfloatarg(2, argc, argv);
!     interpol = (float)atom_getfloatarg(3, argc, argv);
!   }
!   if(f <= 0.0f)
!     f = 0.000001f;
!   x->cur_f = f;
!   f *= x->sr;
!   if(f < 1.0e-20f)
!     x->cur_l = 1.0e20f;
!   else if(f > 1.57079632f)
!     x->cur_l = 0.0f;
!   else
!   {
!     si = sin(f);
!     co = cos(f);
!     x->cur_l = co/si;
!   }
!   if(q <= 0.0f)
!     q = 0.000001f;
!   x->cur_a = 1.0f/q;
!   x->cur_g = exp(0.11512925465 * l);
!   if(interpol <= 0.0f)
!     interpol = 0.0f;
!   x->interpol_time = interpol;
!   x->ticks_per_interpol_time = 0.5f;
!   i = (int)((x->ticks_per_interpol_time)*(x->interpol_time));
!   if(i <= 0)
!     i = 1;
!   x->ticks = i;
!   x->rcp_ticks = 1.0f / (float)i;
!   x->end_f = x->cur_f;
!   x->end_a = x->cur_a;
!   x->end_g = x->cur_g;
!   return(x);
! }
! 
! void sigpara_bp2_setup(void)
! {
!   sigpara_bp2_class = class_new(gensym("para_bp2~"), (t_newmethod)sigpara_bp2_new,
!         0, sizeof(t_sigpara_bp2), 0, A_GIMME, 0);
!   CLASS_MAINSIGNALIN(sigpara_bp2_class, t_sigpara_bp2, x_msi);
!   class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_dsp, gensym("dsp"), 0);
!   class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft1, gensym("ft1"), A_FLOAT, 0);
!   class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft2, gensym("ft2"), A_FLOAT, 0);
!   class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft3, gensym("ft3"), A_FLOAT, 0);
!   class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft4, gensym("ft4"), A_FLOAT, 0);
!   class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_print, gensym("print"), 0);
!   class_sethelpsymbol(sigpara_bp2_class, gensym("iemhelp/help-para_bp2~"));
! }
Index: sigiem_cot4.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/sigiem_cot4.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** sigiem_cot4.c	18 May 2004 21:33:30 -0000	1.1.1.1
--- sigiem_cot4.c	2 Jun 2005 18:23:54 -0000	1.2
***************
*** 1,176 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ------------------------ iem_cot4~ ----------------------------- */
! 
! float *iem_cot4_table_cos=(float *)0L;
! float *iem_cot4_table_sin=(float *)0L;
! 
! static t_class *sigiem_cot4_class;
! 
! typedef struct _sigiem_cot4
! {
! 	t_object x_obj;
! 	float x_sr;
! 	float x_msi;
! } t_sigiem_cot4;
! 
! static t_int *sigiem_cot4_perform(t_int *w)
! {
! 	t_float *in = (t_float *)(w[1]);
! 	t_float *out = (t_float *)(w[2]);
! 	t_float norm_freq;
! 	t_float hout;
! 	t_sigiem_cot4 *x = (t_sigiem_cot4 *)(w[3]);
! 	t_float sr=x->x_sr;
! 	int n = (int)(w[4]);
! 	float *ctab = iem_cot4_table_cos, *stab = iem_cot4_table_sin;
! 	float *caddr, *saddr, cf1, cf2, sf1, sf2, frac;
! 	double dphase;
! 	int normhipart;
! 	int32 mytfi;
! 	union tabfudge tf;
! 	
! 	tf.tf_d = UNITBIT32;
! 	normhipart = tf.tf_i[HIOFFSET];
! 
! #if 0			/* this is the readable version of the code. */
! 	while (n--)
! 	{
! 		norm_freq = *in * sr;
! 		if(norm_freq < 0.0001f)
! 			norm_freq = 0.0001f;
! 		else if(norm_freq > 0.9f)
! 			norm_freq = 0.9f;
! 		dphase = (double)(norm_freq * (float)(COSTABSIZE)) + UNITBIT32;
! 		tf.tf_d = dphase;
! 		mytfi = tf.tf_i[HIOFFSET] & (COSTABSIZE-1);
! 		saddr = stab + (mytfi);
! 		caddr = ctab + (mytfi);
! 		tf.tf_i[HIOFFSET] = normhipart;
! 		frac = tf.tf_d - UNITBIT32;
! 		sf1 = saddr[0];
! 		sf2 = saddr[1];
! 		cf1 = caddr[0];
! 		cf2 = caddr[1];
! 		in++;
! 		*out++ = (cf1 + frac * (cf2 - cf1))/(sf1 + frac * (sf2 - sf1));
! 	}
! #endif
! #if 1			/* this is the same, unwrapped by hand. prolog beg*/
! 	n /= 4;
! 	norm_freq = *in * sr;
! 	if(norm_freq < 0.0001f)
! 		norm_freq = 0.0001f;
! 	else if(norm_freq > 0.9f)
! 		norm_freq = 0.9f;
! 	dphase = (double)(norm_freq * (float)(COSTABSIZE)) + UNITBIT32;
! 	tf.tf_d = dphase;
! 	mytfi = tf.tf_i[HIOFFSET] & (COSTABSIZE-1);
! 	saddr = stab + (mytfi);
! 	caddr = ctab + (mytfi);
! 	tf.tf_i[HIOFFSET] = normhipart;		
! 	in += 4;							   /*prolog end*/
! 	while (--n)
! 	{
! 		norm_freq = *in * sr;
! 		if(norm_freq < 0.0001f)
! 			norm_freq = 0.0001f;
! 		else if(norm_freq > 0.9f)
! 			norm_freq = 0.9f;
! 		dphase = (double)(norm_freq * (float)(COSTABSIZE)) + UNITBIT32;
! 		frac = tf.tf_d - UNITBIT32;
! 		tf.tf_d = dphase;
! 		sf1 = saddr[0];
! 		sf2 = saddr[1];
! 		cf1 = caddr[0];
! 		cf2 = caddr[1];
! 		mytfi = tf.tf_i[HIOFFSET] & (COSTABSIZE-1);
! 		saddr = stab + (mytfi);
! 		caddr = ctab + (mytfi);
! 		hout = (cf1 + frac * (cf2 - cf1))/(sf1 + frac * (sf2 - sf1));
! 		*out++ = hout;
! 		*out++ = hout;
! 		*out++ = hout;
! 		*out++ = hout;
! 		in += 4;
! 		tf.tf_i[HIOFFSET] = normhipart;
! 	}/*epilog beg*/
! 	frac = tf.tf_d - UNITBIT32;
! 	sf1 = saddr[0];
! 	sf2 = saddr[1];
! 	cf1 = caddr[0];
! 	cf2 = caddr[1];
! 	hout = (cf1 + frac * (cf2 - cf1))/(sf1 + frac * (sf2 - sf1));
! 	*out++ = hout;
! 	*out++ = hout;
! 	*out++ = hout;
! 	*out++ = hout;
! 	/*epilog end*/
! #endif
! 	return (w+5);
! }
! 
! static void sigiem_cot4_dsp(t_sigiem_cot4 *x, t_signal **sp)
! {
! 	x->x_sr = 2.0f / (float)sp[0]->s_sr;
! 	dsp_add(sigiem_cot4_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
! }
! 
! static void sigiem_cot4_maketable(void)
! {
! 	int i;
! 	float *fp, phase, fff, phsinc = 0.5*3.141592653 / ((float)COSTABSIZE);
! 	union tabfudge tf;
! 
! 	if(!iem_cot4_table_sin)
! 	{
! 		iem_cot4_table_sin = (float *)getbytes(sizeof(float) * (COSTABSIZE+1));
! 		for(i=COSTABSIZE+1, fp=iem_cot4_table_sin, phase=0; i--; fp++, phase+=phsinc)
! 			*fp = sin(phase);
! 	}
! 	if(!iem_cot4_table_cos)
! 	{
! 		iem_cot4_table_cos = (float *)getbytes(sizeof(float) * (COSTABSIZE+1));
! 		for(i=COSTABSIZE+1, fp=iem_cot4_table_cos, phase=0; i--; fp++, phase+=phsinc)
! 			*fp = cos(phase);
! 	}
! 	tf.tf_d = UNITBIT32 + 0.5;
! 	if((unsigned)tf.tf_i[LOWOFFSET] != 0x80000000)
! 		bug("iem_cot4~: unexpected machine alignment");
! }
! 
! static void *sigiem_cot4_new(void)
! {
! 	t_sigiem_cot4 *x = (t_sigiem_cot4 *)pd_new(sigiem_cot4_class);
! 
! 	outlet_new(&x->x_obj, gensym("signal"));
! 	x->x_msi = 0;
! 	return (x);
! }
! 
! void sigiem_cot4_setup(void)
! {
! 	sigiem_cot4_class = class_new(gensym("iem_cot4~"), (t_newmethod)sigiem_cot4_new, 0,
! 				 sizeof(t_sigiem_cot4), 0, 0);
! 	class_addcreator((t_newmethod)sigiem_cot4_new, gensym("iem_cot~"), 0);
! 	CLASS_MAINSIGNALIN(sigiem_cot4_class, t_sigiem_cot4, x_msi);
! 	class_addmethod(sigiem_cot4_class, (t_method)sigiem_cot4_dsp, gensym("dsp"), 0);
! 	sigiem_cot4_maketable();
! 	class_sethelpsymbol(sigiem_cot4_class, gensym("iemhelp/help-iem_cot4~"));
! }
! 
--- 1,175 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ------------------------ iem_cot4~ ----------------------------- */
! 
! float *iem_cot4_table_cos=(float *)0L;
! float *iem_cot4_table_sin=(float *)0L;
! 
! static t_class *sigiem_cot4_class;
! 
! typedef struct _sigiem_cot4
! {
!   t_object  x_obj;
!   float     x_sr;
!   float     x_msi;
! } t_sigiem_cot4;
! 
! static t_int *sigiem_cot4_perform(t_int *w)
! {
!   t_float *in = (t_float *)(w[1]);
!   t_float *out = (t_float *)(w[2]);
!   t_float norm_freq;
!   t_float hout;
!   t_sigiem_cot4 *x = (t_sigiem_cot4 *)(w[3]);
!   t_float sr=x->x_sr;
!   int n = (int)(w[4]);
!   float *ctab = iem_cot4_table_cos, *stab = iem_cot4_table_sin;
!   float *caddr, *saddr, cf1, cf2, sf1, sf2, frac;
!   double dphase;
!   int normhipart;
!   int32 mytfi;
!   union tabfudge tf;
!   
!   tf.tf_d = UNITBIT32;
!   normhipart = tf.tf_i[HIOFFSET];
!   
! #if 0     /* this is the readable version of the code. */
!   while (n--)
!   {
!     norm_freq = *in * sr;
!     if(norm_freq < 0.0001f)
!       norm_freq = 0.0001f;
!     else if(norm_freq > 0.9f)
!       norm_freq = 0.9f;
!     dphase = (double)(norm_freq * (float)(COSTABSIZE)) + UNITBIT32;
!     tf.tf_d = dphase;
!     mytfi = tf.tf_i[HIOFFSET] & (COSTABSIZE-1);
!     saddr = stab + (mytfi);
!     caddr = ctab + (mytfi);
!     tf.tf_i[HIOFFSET] = normhipart;
!     frac = tf.tf_d - UNITBIT32;
!     sf1 = saddr[0];
!     sf2 = saddr[1];
!     cf1 = caddr[0];
!     cf2 = caddr[1];
!     in++;
!     *out++ = (cf1 + frac * (cf2 - cf1))/(sf1 + frac * (sf2 - sf1));
!   }
! #endif
! #if 1     /* this is the same, unwrapped by hand. prolog beg*/
!   n /= 4;
!   norm_freq = *in * sr;
!   if(norm_freq < 0.0001f)
!     norm_freq = 0.0001f;
!   else if(norm_freq > 0.9f)
!     norm_freq = 0.9f;
!   dphase = (double)(norm_freq * (float)(COSTABSIZE)) + UNITBIT32;
!   tf.tf_d = dphase;
!   mytfi = tf.tf_i[HIOFFSET] & (COSTABSIZE-1);
!   saddr = stab + (mytfi);
!   caddr = ctab + (mytfi);
!   tf.tf_i[HIOFFSET] = normhipart;   
!   in += 4;                 /*prolog end*/
!   while (--n)
!   {
!     norm_freq = *in * sr;
!     if(norm_freq < 0.0001f)
!       norm_freq = 0.0001f;
!     else if(norm_freq > 0.9f)
!       norm_freq = 0.9f;
!     dphase = (double)(norm_freq * (float)(COSTABSIZE)) + UNITBIT32;
!     frac = tf.tf_d - UNITBIT32;
!     tf.tf_d = dphase;
!     sf1 = saddr[0];
!     sf2 = saddr[1];
!     cf1 = caddr[0];
!     cf2 = caddr[1];
!     mytfi = tf.tf_i[HIOFFSET] & (COSTABSIZE-1);
!     saddr = stab + (mytfi);
!     caddr = ctab + (mytfi);
!     hout = (cf1 + frac * (cf2 - cf1))/(sf1 + frac * (sf2 - sf1));
!     *out++ = hout;
!     *out++ = hout;
!     *out++ = hout;
!     *out++ = hout;
!     in += 4;
!     tf.tf_i[HIOFFSET] = normhipart;
!   }/*epilog beg*/
!   frac = tf.tf_d - UNITBIT32;
!   sf1 = saddr[0];
!   sf2 = saddr[1];
!   cf1 = caddr[0];
!   cf2 = caddr[1];
!   hout = (cf1 + frac * (cf2 - cf1))/(sf1 + frac * (sf2 - sf1));
!   *out++ = hout;
!   *out++ = hout;
!   *out++ = hout;
!   *out++ = hout;
!   /*epilog end*/
! #endif
!   return (w+5);
! }
! 
! static void sigiem_cot4_dsp(t_sigiem_cot4 *x, t_signal **sp)
! {
!   x->x_sr = 2.0f / (float)sp[0]->s_sr;
!   dsp_add(sigiem_cot4_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
! }
! 
! static void sigiem_cot4_maketable(void)
! {
!   int i;
!   float *fp, phase, fff, phsinc = 0.5*3.141592653 / ((float)COSTABSIZE);
!   union tabfudge tf;
!   
!   if(!iem_cot4_table_sin)
!   {
!     iem_cot4_table_sin = (float *)getbytes(sizeof(float) * (COSTABSIZE+1));
!     for(i=COSTABSIZE+1, fp=iem_cot4_table_sin, phase=0; i--; fp++, phase+=phsinc)
!       *fp = sin(phase);
!   }
!   if(!iem_cot4_table_cos)
!   {
!     iem_cot4_table_cos = (float *)getbytes(sizeof(float) * (COSTABSIZE+1));
!     for(i=COSTABSIZE+1, fp=iem_cot4_table_cos, phase=0; i--; fp++, phase+=phsinc)
!       *fp = cos(phase);
!   }
!   tf.tf_d = UNITBIT32 + 0.5;
!   if((unsigned)tf.tf_i[LOWOFFSET] != 0x80000000)
!     bug("iem_cot4~: unexpected machine alignment");
! }
! 
! static void *sigiem_cot4_new(void)
! {
!   t_sigiem_cot4 *x = (t_sigiem_cot4 *)pd_new(sigiem_cot4_class);
!   
!   outlet_new(&x->x_obj, gensym("signal"));
!   x->x_msi = 0;
!   return (x);
! }
! 
! void sigiem_cot4_setup(void)
! {
!   sigiem_cot4_class = class_new(gensym("iem_cot4~"), (t_newmethod)sigiem_cot4_new, 0,
!     sizeof(t_sigiem_cot4), 0, 0);
!   class_addcreator((t_newmethod)sigiem_cot4_new, gensym("iem_cot~"), 0);
!   CLASS_MAINSIGNALIN(sigiem_cot4_class, t_sigiem_cot4, x_msi);
!   class_addmethod(sigiem_cot4_class, (t_method)sigiem_cot4_dsp, gensym("dsp"), 0);
!   sigiem_cot4_maketable();
!   class_sethelpsymbol(sigiem_cot4_class, gensym("iemhelp/help-iem_cot4~"));
! }
Index: sighml_shelf.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/sighml_shelf.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** sighml_shelf.c	9 Mar 2005 17:15:59 -0000	1.2
--- sighml_shelf.c	2 Jun 2005 18:23:54 -0000	1.3
***************
*** 1,558 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
[...1086 lines suppressed...]
!   x->end_mg = x->cur_mg;
!   x->end_hg = x->cur_hg;
!   return(x);
! }
! 
! void sighml_shelf_setup(void)
! {
!   sighml_shelf_class = class_new(gensym("hml_shelf~"), (t_newmethod)sighml_shelf_new,
!     0, sizeof(t_sighml_shelf), 0, A_GIMME, 0);
!   CLASS_MAINSIGNALIN(sighml_shelf_class, t_sighml_shelf, x_msi);
!   class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_dsp, gensym("dsp"), 0);
!   class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft1, gensym("ft1"), A_FLOAT, 0);
!   class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft2, gensym("ft2"), A_FLOAT, 0);
!   class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft3, gensym("ft3"), A_FLOAT, 0);
!   class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft4, gensym("ft4"), A_FLOAT, 0);
!   class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft5, gensym("ft5"), A_FLOAT, 0);
!   class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft6, gensym("ft6"), A_FLOAT, 0);
!   class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_print, gensym("print"), 0);
!   class_sethelpsymbol(sighml_shelf_class, gensym("iemhelp/help-hml_shelf~"));
! }
Index: sigprvu.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/sigprvu.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** sigprvu.c	9 Mar 2005 17:15:59 -0000	1.2
--- sigprvu.c	2 Jun 2005 18:23:54 -0000	1.3
***************
*** 1,282 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ---------------- prvu~ - simple peak&rms-vu-meter. ----------------- */
! 
! typedef struct sigprvu
! {
! 	t_object	x_obj;
! 	t_atom	  x_at[3];
! 	void			*x_clock_metro;
! 	int				x_metro_time;
! 	void			*x_clock_hold;
! 	int				x_hold_time;
! 	float			x_cur_peak;
! 	float			x_old_peak;
! 	float			x_hold_peak;
! 	int				x_hold;
! 	float			x_sum_rms;
! 	float			x_old_rms;
! 	float			x_rcp;
! 	float			x_sr;
! 	float			x_threshold_over;
! 	int				x_overflow_counter;
! 	float			x_release_time;
! 	float			x_c1;
! 	int				x_started;
! 	float			x_msi;
! } t_sigprvu;
! 
! t_class *sigprvu_class;
! static void sigprvu_tick_metro(t_sigprvu *x);
! static void sigprvu_tick_hold(t_sigprvu *x);
! 
! static void sigprvu_reset(t_sigprvu *x)
! {
! 	x->x_at[0].a_w.w_float = -99.9f;
! 	x->x_at[1].a_w.w_float = -99.9f;
! 	x->x_at[2].a_w.w_float = 0.0f;
! 	outlet_list(x->x_obj.ob_outlet, &s_list, 3, x->x_at);
! 	x->x_overflow_counter = 0;
! 	x->x_cur_peak = 0.0f;
! 	x->x_old_peak = 0.0f;
! 	x->x_hold_peak = 0.0f;
! 	x->x_sum_rms = 0.0f;
! 	x->x_old_rms = 0.0f;
! 	x->x_hold = 0;
! 	clock_unset(x->x_clock_hold);
! 	clock_delay(x->x_clock_metro, x->x_metro_time);
! }
! 
! static void sigprvu_stop(t_sigprvu *x)
! {
! 	clock_unset(x->x_clock_metro);
! 	x->x_started = 0;
! }
! 
! static void sigprvu_start(t_sigprvu *x)
! {
! 	clock_delay(x->x_clock_metro, x->x_metro_time);
! 	x->x_started = 1;
! }
! 
! static void sigprvu_float(t_sigprvu *x, t_floatarg f)
! {
! 	if(f == 0.0)
! 	{
! 		clock_unset(x->x_clock_metro);
! 		x->x_started = 0;
! 	}
! 	else
! 	{
! 		clock_delay(x->x_clock_metro, x->x_metro_time);
! 		x->x_started = 1;
! 	}
! }
! 
! static void sigprvu_t_release(t_sigprvu *x, t_floatarg release_time)
! {
! 	if(release_time <= 20.0f)
! 		release_time = 20.0f;
! 	x->x_release_time = release_time;
! 	x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
! }
! 
! static void sigprvu_t_metro(t_sigprvu *x, t_floatarg metro_time)
! {
! 	if(metro_time <= 20.0f)
! 		metro_time = 20.0f;
! 	x->x_metro_time = (int)metro_time;
! 	x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
! 	x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
! }
! 
! static void sigprvu_t_hold(t_sigprvu *x, t_floatarg hold_time)
! {
! 	if(hold_time <= 20.0f)
! 		hold_time = 20.0f;
! 	x->x_hold_time = (int)hold_time;
! }
! 
! static void sigprvu_threshold(t_sigprvu *x, t_floatarg thresh)
! {
! 	x->x_threshold_over = thresh;
! }
! 
! static t_int *sigprvu_perform(t_int *w)
! {
! 	float *in = (float *)(w[1]);
! 	t_sigprvu *x = (t_sigprvu *)(w[2]);
! 	int n = (int)(w[3]);
! 	float peak = x->x_cur_peak, pow, sum=x->x_sum_rms;
! 	int i;
! 
! 	if(x->x_started)
! 	{
! 		for(i=0; i<n; i++)
! 		{
! 			pow = in[i]*in[i];
! 			if(pow > peak)
! 				peak = pow;
! 			sum += pow;
! 		}
! 		x->x_cur_peak = peak;
! 		x->x_sum_rms = sum;
! 	}
! 	return(w+4);
! }
! 
! static void sigprvu_dsp(t_sigprvu *x, t_signal **sp)
! {
! 	x->x_sr = 0.001*(float)sp[0]->s_sr;
! 	x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
! 	dsp_add(sigprvu_perform, 3, sp[0]->s_vec, x, sp[0]->s_n);
! 	clock_delay(x->x_clock_metro, x->x_metro_time);
! }
! 
! static void sigprvu_tick_hold(t_sigprvu *x)
! {
! 	x->x_hold = 0;
! 	x->x_hold_peak = x->x_old_peak;
! }
! 
! static void sigprvu_tick_metro(t_sigprvu *x)
! {
! 	float dbr, dbp, cur_rms, c1=x->x_c1;
! 
! 	x->x_old_peak *= c1;
! 	/* NAN protect */
! 	if(IEM_DENORMAL(x->x_old_peak))
! 		x->x_old_peak = 0.0f;
! 
! 	if(x->x_cur_peak > x->x_old_peak)
! 		x->x_old_peak = x->x_cur_peak;
! 	if(x->x_old_peak > x->x_hold_peak)
! 	{
! 		x->x_hold = 1;
! 		x->x_hold_peak = x->x_old_peak;
! 		clock_delay(x->x_clock_hold, x->x_hold_time);
! 	}
! 	if(!x->x_hold)
! 		x->x_hold_peak = x->x_old_peak;
! 	if(x->x_hold_peak <= 0.0000000001f)
! 		dbp = -99.9f;
! 	else if(x->x_hold_peak > 1000000.0f)
! 	{
! 		dbp = 60.0f;
! 		x->x_hold_peak = 1000000.0f;
! 		x->x_old_peak = 1000000.0f;
! 	}
! 	else
! 		dbp = 4.3429448195f*log(x->x_hold_peak);
! 	x->x_cur_peak = 0.0f;
! 	if(dbp >= x->x_threshold_over)
! 		x->x_overflow_counter++;
! 	x->x_at[1].a_w.w_float = dbp;
! 	x->x_at[2].a_w.w_float = (float)x->x_overflow_counter;
! 
! 	cur_rms = (1.0f - c1)*x->x_sum_rms*x->x_rcp + c1*x->x_old_rms;
! 	/* NAN protect */
! 	if(IEM_DENORMAL(cur_rms))
! 		cur_rms = 0.0f;
! 
! 	if(cur_rms <= 0.0000000001f)
! 		dbr = -99.9f;
! 	else if(cur_rms > 1000000.0f)
! 	{
! 		dbr = 60.0f;
! 		x->x_old_rms = 1000000.0f;
! 	}
! 	else
! 		dbr = 4.3429448195f*log(cur_rms);
! 	x->x_sum_rms = 0.0f;
! 	x->x_old_rms = cur_rms;
! 	x->x_at[0].a_w.w_float = dbr;
! 	outlet_list(x->x_obj.ob_outlet, &s_list, 3, x->x_at);
! 	clock_delay(x->x_clock_metro, x->x_metro_time);
! }
! 
! static void sigprvu_ff(t_sigprvu *x)
! {
! 	clock_free(x->x_clock_metro);
! 	clock_free(x->x_clock_hold);
! }
! 
! static void *sigprvu_new(t_floatarg metro_time, t_floatarg hold_time,
! 			 t_floatarg release_time, t_floatarg threshold)
! {
! 	t_sigprvu *x;
! 	float t;
! 	int i;
! 
! 	x = (t_sigprvu *)pd_new(sigprvu_class);
! 	if(metro_time <= 0.0f)
! 		metro_time = 300.0f;
! 	if(metro_time <= 20.0f)
! 		metro_time = 20.0f;
! 	if(release_time <= 0.0f)
! 		release_time = 300.0f;
! 	if(release_time <= 20.0f)
! 		release_time = 20.0f;
! 	if(hold_time <= 0.0f)
! 		hold_time = 1000.0f;
! 	if(hold_time <= 20.0f)
! 		hold_time = 20.0f;
! 	if(threshold == 0.0f)
! 		threshold = -0.01f;
! 	x->x_metro_time = (int)metro_time;
! 	x->x_release_time = release_time;
! 	x->x_hold_time = (int)hold_time;
! 	x->x_threshold_over = threshold;
! 	x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
! 	x->x_cur_peak = 0.0f;
! 	x->x_old_peak = 0.0f;
! 	x->x_hold_peak = 0.0f;
! 	x->x_hold = 0;
! 	x->x_sum_rms = 0.0f;
! 	x->x_old_rms = 0.0f;
! 	x->x_sr = 44.1f;
! 	x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
! 	x->x_overflow_counter = 0;
! 	x->x_clock_metro = clock_new(x, (t_method)sigprvu_tick_metro);
! 	x->x_clock_hold = clock_new(x, (t_method)sigprvu_tick_hold);
! 	x->x_started = 1;
! 	outlet_new(&x->x_obj, &s_list);
! 	x->x_at[0].a_type = A_FLOAT;
! 	x->x_at[1].a_type = A_FLOAT;
! 	x->x_at[2].a_type = A_FLOAT;
! 	x->x_msi = 0.0f;
! 	return(x);
! }
! 
! void sigprvu_setup(void)
! {
! 	sigprvu_class = class_new(gensym("prvu~"), (t_newmethod)sigprvu_new,
! 				  (t_method)sigprvu_ff, sizeof(t_sigprvu), 0,
! 				  A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
! 	CLASS_MAINSIGNALIN(sigprvu_class, t_sigprvu, x_msi);
! 	class_addmethod(sigprvu_class, (t_method)sigprvu_dsp, gensym("dsp"), 0);
! 	class_addfloat(sigprvu_class, sigprvu_float);
! 	class_addmethod(sigprvu_class, (t_method)sigprvu_reset, gensym("reset"), 0);
! 	class_addmethod(sigprvu_class, (t_method)sigprvu_start, gensym("start"), 0);
! 	class_addmethod(sigprvu_class, (t_method)sigprvu_stop, gensym("stop"), 0);
! 	class_addmethod(sigprvu_class, (t_method)sigprvu_t_release, gensym("t_release"), A_FLOAT, 0);
! 	class_addmethod(sigprvu_class, (t_method)sigprvu_t_metro, gensym("t_metro"), A_FLOAT, 0);
! 	class_addmethod(sigprvu_class, (t_method)sigprvu_t_hold, gensym("t_hold"), A_FLOAT, 0);
! 	class_addmethod(sigprvu_class, (t_method)sigprvu_threshold, gensym("threshold"), A_FLOAT, 0);
! 	class_sethelpsymbol(sigprvu_class, gensym("iemhelp/help-prvu~"));
! }
--- 1,282 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ---------------- prvu~ - simple peak&rms-vu-meter. ----------------- */
! 
! typedef struct sigprvu
! {
!   t_object  x_obj;
!   t_atom    x_at[3];
!   void      *x_clock_metro;
!   int       x_metro_time;
!   void      *x_clock_hold;
!   int       x_hold_time;
!   float     x_cur_peak;
!   float     x_old_peak;
!   float     x_hold_peak;
!   int       x_hold;
!   float     x_sum_rms;
!   float     x_old_rms;
!   float     x_rcp;
!   float     x_sr;
!   float     x_threshold_over;
!   int       x_overflow_counter;
!   float     x_release_time;
!   float     x_c1;
!   int       x_started;
!   float     x_msi;
! } t_sigprvu;
! 
! t_class *sigprvu_class;
! static void sigprvu_tick_metro(t_sigprvu *x);
! static void sigprvu_tick_hold(t_sigprvu *x);
! 
! static void sigprvu_reset(t_sigprvu *x)
! {
!   x->x_at[0].a_w.w_float = -99.9f;
!   x->x_at[1].a_w.w_float = -99.9f;
!   x->x_at[2].a_w.w_float = 0.0f;
!   outlet_list(x->x_obj.ob_outlet, &s_list, 3, x->x_at);
!   x->x_overflow_counter = 0;
!   x->x_cur_peak = 0.0f;
!   x->x_old_peak = 0.0f;
!   x->x_hold_peak = 0.0f;
!   x->x_sum_rms = 0.0f;
!   x->x_old_rms = 0.0f;
!   x->x_hold = 0;
!   clock_unset(x->x_clock_hold);
!   clock_delay(x->x_clock_metro, x->x_metro_time);
! }
! 
! static void sigprvu_stop(t_sigprvu *x)
! {
!   clock_unset(x->x_clock_metro);
!   x->x_started = 0;
! }
! 
! static void sigprvu_start(t_sigprvu *x)
! {
!   clock_delay(x->x_clock_metro, x->x_metro_time);
!   x->x_started = 1;
! }
! 
! static void sigprvu_float(t_sigprvu *x, t_floatarg f)
! {
!   if(f == 0.0)
!   {
!     clock_unset(x->x_clock_metro);
!     x->x_started = 0;
!   }
!   else
!   {
!     clock_delay(x->x_clock_metro, x->x_metro_time);
!     x->x_started = 1;
!   }
! }
! 
! static void sigprvu_t_release(t_sigprvu *x, t_floatarg release_time)
! {
!   if(release_time <= 20.0f)
!     release_time = 20.0f;
!   x->x_release_time = release_time;
!   x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
! }
! 
! static void sigprvu_t_metro(t_sigprvu *x, t_floatarg metro_time)
! {
!   if(metro_time <= 20.0f)
!     metro_time = 20.0f;
!   x->x_metro_time = (int)metro_time;
!   x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
!   x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
! }
! 
! static void sigprvu_t_hold(t_sigprvu *x, t_floatarg hold_time)
! {
!   if(hold_time <= 20.0f)
!     hold_time = 20.0f;
!   x->x_hold_time = (int)hold_time;
! }
! 
! static void sigprvu_threshold(t_sigprvu *x, t_floatarg thresh)
! {
!   x->x_threshold_over = thresh;
! }
! 
! static t_int *sigprvu_perform(t_int *w)
! {
!   float *in = (float *)(w[1]);
!   t_sigprvu *x = (t_sigprvu *)(w[2]);
!   int n = (int)(w[3]);
!   float peak = x->x_cur_peak, pow, sum=x->x_sum_rms;
!   int i;
!   
!   if(x->x_started)
!   {
!     for(i=0; i<n; i++)
!     {
!       pow = in[i]*in[i];
!       if(pow > peak)
!         peak = pow;
!       sum += pow;
!     }
!     x->x_cur_peak = peak;
!     x->x_sum_rms = sum;
!   }
!   return(w+4);
! }
! 
! static void sigprvu_dsp(t_sigprvu *x, t_signal **sp)
! {
!   x->x_sr = 0.001*(float)sp[0]->s_sr;
!   x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
!   dsp_add(sigprvu_perform, 3, sp[0]->s_vec, x, sp[0]->s_n);
!   clock_delay(x->x_clock_metro, x->x_metro_time);
! }
! 
! static void sigprvu_tick_hold(t_sigprvu *x)
! {
!   x->x_hold = 0;
!   x->x_hold_peak = x->x_old_peak;
! }
! 
! static void sigprvu_tick_metro(t_sigprvu *x)
! {
!   float dbr, dbp, cur_rms, c1=x->x_c1;
!   
!   x->x_old_peak *= c1;
!   /* NAN protect */
!   if(IEM_DENORMAL(x->x_old_peak))
!     x->x_old_peak = 0.0f;
!   
!   if(x->x_cur_peak > x->x_old_peak)
!     x->x_old_peak = x->x_cur_peak;
!   if(x->x_old_peak > x->x_hold_peak)
!   {
!     x->x_hold = 1;
!     x->x_hold_peak = x->x_old_peak;
!     clock_delay(x->x_clock_hold, x->x_hold_time);
!   }
!   if(!x->x_hold)
!     x->x_hold_peak = x->x_old_peak;
!   if(x->x_hold_peak <= 0.0000000001f)
!     dbp = -99.9f;
!   else if(x->x_hold_peak > 1000000.0f)
!   {
!     dbp = 60.0f;
!     x->x_hold_peak = 1000000.0f;
!     x->x_old_peak = 1000000.0f;
!   }
!   else
!     dbp = 4.3429448195f*log(x->x_hold_peak);
!   x->x_cur_peak = 0.0f;
!   if(dbp >= x->x_threshold_over)
!     x->x_overflow_counter++;
!   x->x_at[1].a_w.w_float = dbp;
!   x->x_at[2].a_w.w_float = (float)x->x_overflow_counter;
!   
!   cur_rms = (1.0f - c1)*x->x_sum_rms*x->x_rcp + c1*x->x_old_rms;
!   /* NAN protect */
!   if(IEM_DENORMAL(cur_rms))
!     cur_rms = 0.0f;
!   
!   if(cur_rms <= 0.0000000001f)
!     dbr = -99.9f;
!   else if(cur_rms > 1000000.0f)
!   {
!     dbr = 60.0f;
!     x->x_old_rms = 1000000.0f;
!   }
!   else
!     dbr = 4.3429448195f*log(cur_rms);
!   x->x_sum_rms = 0.0f;
!   x->x_old_rms = cur_rms;
!   x->x_at[0].a_w.w_float = dbr;
!   outlet_list(x->x_obj.ob_outlet, &s_list, 3, x->x_at);
!   clock_delay(x->x_clock_metro, x->x_metro_time);
! }
! 
! static void sigprvu_ff(t_sigprvu *x)
! {
!   clock_free(x->x_clock_metro);
!   clock_free(x->x_clock_hold);
! }
! 
! static void *sigprvu_new(t_floatarg metro_time, t_floatarg hold_time,
!                          t_floatarg release_time, t_floatarg threshold)
! {
!   t_sigprvu *x;
!   float t;
!   int i;
!   
!   x = (t_sigprvu *)pd_new(sigprvu_class);
!   if(metro_time <= 0.0f)
!     metro_time = 300.0f;
!   if(metro_time <= 20.0f)
!     metro_time = 20.0f;
!   if(release_time <= 0.0f)
!     release_time = 300.0f;
!   if(release_time <= 20.0f)
!     release_time = 20.0f;
!   if(hold_time <= 0.0f)
!     hold_time = 1000.0f;
!   if(hold_time <= 20.0f)
!     hold_time = 20.0f;
!   if(threshold == 0.0f)
!     threshold = -0.01f;
!   x->x_metro_time = (int)metro_time;
!   x->x_release_time = release_time;
!   x->x_hold_time = (int)hold_time;
!   x->x_threshold_over = threshold;
!   x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
!   x->x_cur_peak = 0.0f;
!   x->x_old_peak = 0.0f;
!   x->x_hold_peak = 0.0f;
!   x->x_hold = 0;
!   x->x_sum_rms = 0.0f;
!   x->x_old_rms = 0.0f;
!   x->x_sr = 44.1f;
!   x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
!   x->x_overflow_counter = 0;
!   x->x_clock_metro = clock_new(x, (t_method)sigprvu_tick_metro);
!   x->x_clock_hold = clock_new(x, (t_method)sigprvu_tick_hold);
!   x->x_started = 1;
!   outlet_new(&x->x_obj, &s_list);
!   x->x_at[0].a_type = A_FLOAT;
!   x->x_at[1].a_type = A_FLOAT;
!   x->x_at[2].a_type = A_FLOAT;
!   x->x_msi = 0.0f;
!   return(x);
! }
! 
! void sigprvu_setup(void)
! {
!   sigprvu_class = class_new(gensym("prvu~"), (t_newmethod)sigprvu_new,
!     (t_method)sigprvu_ff, sizeof(t_sigprvu), 0,
!     A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
!   CLASS_MAINSIGNALIN(sigprvu_class, t_sigprvu, x_msi);
!   class_addmethod(sigprvu_class, (t_method)sigprvu_dsp, gensym("dsp"), 0);
!   class_addfloat(sigprvu_class, sigprvu_float);
!   class_addmethod(sigprvu_class, (t_method)sigprvu_reset, gensym("reset"), 0);
!   class_addmethod(sigprvu_class, (t_method)sigprvu_start, gensym("start"), 0);
!   class_addmethod(sigprvu_class, (t_method)sigprvu_stop, gensym("stop"), 0);
!   class_addmethod(sigprvu_class, (t_method)sigprvu_t_release, gensym("t_release"), A_FLOAT, 0);
!   class_addmethod(sigprvu_class, (t_method)sigprvu_t_metro, gensym("t_metro"), A_FLOAT, 0);
!   class_addmethod(sigprvu_class, (t_method)sigprvu_t_hold, gensym("t_hold"), A_FLOAT, 0);
!   class_addmethod(sigprvu_class, (t_method)sigprvu_threshold, gensym("threshold"), A_FLOAT, 0);
!   class_sethelpsymbol(sigprvu_class, gensym("iemhelp/help-prvu~"));
! }
Index: sigiem_sqrt4.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/sigiem_sqrt4.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** sigiem_sqrt4.c	18 May 2004 21:33:30 -0000	1.1.1.1
--- sigiem_sqrt4.c	2 Jun 2005 18:23:54 -0000	1.2
***************
*** 1,117 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! #define IEMSQRT4TAB1SIZE 256
! #define IEMSQRT4TAB2SIZE 1024
! 
! /* ------------------------ iem_sqrt4~ ----------------------------- */
! 
! float *iem_sqrt4_exptab=(float *)0L;
! float *iem_sqrt4_mantissatab=(float *)0L;
! 
! static t_class *sigiem_sqrt4_class;
! 
! typedef struct _sigiem_sqrt4
! {
! 	t_object x_obj;
! 	float x_msi;
! } t_sigiem_sqrt4;
! 
! static t_int *sigiem_sqrt4_perform(t_int *w)
! {
! 	t_float *in = (t_float *)(w[1]);
! 	t_float *out = (t_float *)(w[2]);
! 	t_int n = (t_int)(w[3])/4;
! 
! 	while(n--)
! 	{	
! 		float f = *in;
! 		float g, h;
! 		long l = *(long *)(in);
! 		
! 		if(f < 0.0f)
! 		{
! 			*out++ = 0.0f;
! 			*out++ = 0.0f;
! 			*out++ = 0.0f;
! 			*out++ = 0.0f;
! 		}
! 		else
! 		{
! 			g = iem_sqrt4_exptab[(l >> 23) & 0xff] * iem_sqrt4_mantissatab[(l >> 13) & 0x3ff];
! 			h = f * (1.5f * g - 0.5f * g * g * g * f);
! 			*out++ = h;
! 			*out++ = h;
! 			*out++ = h;
! 			*out++ = h;
! 		}
! 		in += 4;
! 	}
! 	return(w+4);
! }
! 
! static void sigiem_sqrt4_dsp(t_sigiem_sqrt4 *x, t_signal **sp)
! {
! 	dsp_add(sigiem_sqrt4_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
! }
! 
! static void sigiem_sqrt4_maketable(void)
! {
! 	int i;
! 	float f;
! 	long l;
! 
! 	if(!iem_sqrt4_exptab)
! 	{
! 		iem_sqrt4_exptab = (float *)getbytes(sizeof(float) * IEMSQRT4TAB1SIZE);
! 		for(i=0; i<IEMSQRT4TAB1SIZE; i++)
!     {
! 			l = (i ? (i == IEMSQRT4TAB1SIZE-1 ? IEMSQRT4TAB1SIZE-2 : i) : 1)<< 23;
! 			*(long *)(&f) = l;
! 			iem_sqrt4_exptab[i] = 1.0f/sqrt(f);	
!     }
! 	}
! 	if(!iem_sqrt4_mantissatab)
! 	{
! 		iem_sqrt4_mantissatab = (float *)getbytes(sizeof(float) * IEMSQRT4TAB2SIZE);
! 		for(i=0; i<IEMSQRT4TAB2SIZE; i++)
!     {
! 			f = 1.0f + (1.0f/(float)IEMSQRT4TAB2SIZE) * (float)i;
! 			iem_sqrt4_mantissatab[i] = 1.0f/sqrt(f);	
!     }
! 	}
! }
! 
! static void *sigiem_sqrt4_new(void)
! {
! 	t_sigiem_sqrt4 *x = (t_sigiem_sqrt4 *)pd_new(sigiem_sqrt4_class);
! 
! 	outlet_new(&x->x_obj, gensym("signal"));
! 	x->x_msi = 0;
! 	return (x);
! }
! 
! void sigiem_sqrt4_setup(void)
! {
! 	sigiem_sqrt4_class = class_new(gensym("iem_sqrt4~"), (t_newmethod)sigiem_sqrt4_new, 0,
! 				 sizeof(t_sigiem_sqrt4), 0, 0);
! 	CLASS_MAINSIGNALIN(sigiem_sqrt4_class, t_sigiem_sqrt4, x_msi);
! 	class_addmethod(sigiem_sqrt4_class, (t_method)sigiem_sqrt4_dsp, gensym("dsp"), 0);
! 	sigiem_sqrt4_maketable();
! 	class_sethelpsymbol(sigiem_sqrt4_class, gensym("iemhelp/help-iem_sqrt4~"));
! }
! 
--- 1,116 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! #define IEMSQRT4TAB1SIZE 256
! #define IEMSQRT4TAB2SIZE 1024
! 
! /* ------------------------ iem_sqrt4~ ----------------------------- */
! 
! float *iem_sqrt4_exptab=(float *)0L;
! float *iem_sqrt4_mantissatab=(float *)0L;
! 
! static t_class *sigiem_sqrt4_class;
! 
! typedef struct _sigiem_sqrt4
! {
!   t_object  x_obj;
!   float     x_msi;
! } t_sigiem_sqrt4;
! 
! static t_int *sigiem_sqrt4_perform(t_int *w)
! {
!   t_float *in = (t_float *)(w[1]);
!   t_float *out = (t_float *)(w[2]);
!   t_int n = (t_int)(w[3])/4;
!   
!   while(n--)
!   { 
!     float f = *in;
!     float g, h;
!     long l = *(long *)(in);
!     
!     if(f < 0.0f)
!     {
!       *out++ = 0.0f;
!       *out++ = 0.0f;
!       *out++ = 0.0f;
!       *out++ = 0.0f;
!     }
!     else
!     {
!       g = iem_sqrt4_exptab[(l >> 23) & 0xff] * iem_sqrt4_mantissatab[(l >> 13) & 0x3ff];
!       h = f * (1.5f * g - 0.5f * g * g * g * f);
!       *out++ = h;
!       *out++ = h;
!       *out++ = h;
!       *out++ = h;
!     }
!     in += 4;
!   }
!   return(w+4);
! }
! 
! static void sigiem_sqrt4_dsp(t_sigiem_sqrt4 *x, t_signal **sp)
! {
!   dsp_add(sigiem_sqrt4_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
! }
! 
! static void sigiem_sqrt4_maketable(void)
! {
!   int i;
!   float f;
!   long l;
!   
!   if(!iem_sqrt4_exptab)
!   {
!     iem_sqrt4_exptab = (float *)getbytes(sizeof(float) * IEMSQRT4TAB1SIZE);
!     for(i=0; i<IEMSQRT4TAB1SIZE; i++)
!     {
!       l = (i ? (i == IEMSQRT4TAB1SIZE-1 ? IEMSQRT4TAB1SIZE-2 : i) : 1)<< 23;
!       *(long *)(&f) = l;
!       iem_sqrt4_exptab[i] = 1.0f/sqrt(f); 
!     }
!   }
!   if(!iem_sqrt4_mantissatab)
!   {
!     iem_sqrt4_mantissatab = (float *)getbytes(sizeof(float) * IEMSQRT4TAB2SIZE);
!     for(i=0; i<IEMSQRT4TAB2SIZE; i++)
!     {
!       f = 1.0f + (1.0f/(float)IEMSQRT4TAB2SIZE) * (float)i;
!       iem_sqrt4_mantissatab[i] = 1.0f/sqrt(f);  
!     }
!   }
! }
! 
! static void *sigiem_sqrt4_new(void)
! {
!   t_sigiem_sqrt4 *x = (t_sigiem_sqrt4 *)pd_new(sigiem_sqrt4_class);
!   
!   outlet_new(&x->x_obj, gensym("signal"));
!   x->x_msi = 0;
!   return (x);
! }
! 
! void sigiem_sqrt4_setup(void)
! {
!   sigiem_sqrt4_class = class_new(gensym("iem_sqrt4~"), (t_newmethod)sigiem_sqrt4_new, 0,
!     sizeof(t_sigiem_sqrt4), 0, 0);
!   CLASS_MAINSIGNALIN(sigiem_sqrt4_class, t_sigiem_sqrt4, x_msi);
!   class_addmethod(sigiem_sqrt4_class, (t_method)sigiem_sqrt4_dsp, gensym("dsp"), 0);
!   sigiem_sqrt4_maketable();
!   class_sethelpsymbol(sigiem_sqrt4_class, gensym("iemhelp/help-iem_sqrt4~"));
! }
Index: v2db.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/v2db.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** v2db.c	18 May 2004 21:33:31 -0000	1.1.1.1
--- v2db.c	2 Jun 2005 18:23:54 -0000	1.2
***************
*** 1,45 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ---------------- v2db - value to dB converter. ----------------- */
! 
! static t_class *v2db_class;
! 
! float v2db(float f)
! {
!     return (f <= 0 ? -199.9 : 8.6858896381*log(f));
! }
! 
! static void v2db_float(t_object *x, t_float f)
! {
!     outlet_float(x->ob_outlet, v2db(f));
! }
! 
! static void *v2db_new(void)
! {
!     t_object *x = (t_object *)pd_new(v2db_class);
!     outlet_new(x, &s_float);
!     return (x);
! }
! 
! void v2db_setup(void)
! {
!     v2db_class = class_new(gensym("v2db"), v2db_new, 0,
!     	sizeof(t_object), 0, 0);
!     class_addfloat(v2db_class, (t_method)v2db_float);
!     class_sethelpsymbol(v2db_class, gensym("iemhelp/help-v2db"));
! }
--- 1,45 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* -------- v2db - a rms-value to techn. dB  converter. --------- */
! 
! static t_class *v2db_class;
! 
! float v2db(float f)
! {
!   return (f <= 0 ? -199.9 : 8.6858896381*log(f));
! }
! 
! static void v2db_float(t_object *x, t_float f)
! {
!   outlet_float(x->ob_outlet, v2db(f));
! }
! 
! static void *v2db_new(void)
! {
!   t_object *x = (t_object *)pd_new(v2db_class);
!   outlet_new(x, &s_float);
!   return (x);
! }
! 
! void v2db_setup(void)
! {
!   v2db_class = class_new(gensym("v2db"), v2db_new, 0,
!     sizeof(t_object), 0, 0);
!   class_addfloat(v2db_class, (t_method)v2db_float);
!   class_sethelpsymbol(v2db_class, gensym("iemhelp/help-v2db"));
! }
Index: sigiem_pow4.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/sigiem_pow4.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** sigiem_pow4.c	18 May 2004 21:33:30 -0000	1.1.1.1
--- sigiem_pow4.c	2 Jun 2005 18:23:54 -0000	1.2
***************
*** 1,86 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ------------------------ iem_pow4~ ----------------------------- */
! 
! static t_class *sigiem_pow4_class;
! 
! typedef struct _sigiem_pow4
! {
! 	t_object x_obj;
! 	float x_exp;
! 	float x_msi;
! } t_sigiem_pow4;
! 
! static void sigiem_pow4_ft1(t_sigiem_pow4 *x, t_floatarg f)
! {
! 	x->x_exp = f;
! }
! 
! static t_int *sigiem_pow4_perform(t_int *w)
! {
! 	t_float *in = (t_float *)(w[1]);
! 	t_float *out = (t_float *)(w[2]);
! 	t_sigiem_pow4 *x = (t_sigiem_pow4 *)(w[3]);
! 	t_float y=x->x_exp;
! 	t_float f, g;
! 	int n = (int)(w[4])/4;
! 	
! 	while (n--)
! 	{
! 		f = *in;
! 		if(f < 0.01f)
! 			f = 0.01f;
! 		else if(f > 1000.0f)
! 			f = 1000.0f;
! 		g = log(f);
! 		f = exp(g*y);
! 		*out++ = f;
! 		*out++ = f;
! 		*out++ = f;
! 		*out++ = f;
! 		in += 4;
! 	}
! 	return (w+5);
! }
! 
! static void sigiem_pow4_dsp(t_sigiem_pow4 *x, t_signal **sp)
! {
! 	dsp_add(sigiem_pow4_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
! }
! 
! static void *sigiem_pow4_new(t_floatarg f)
! {
! 	t_sigiem_pow4 *x = (t_sigiem_pow4 *)pd_new(sigiem_pow4_class);
! 
! 	x->x_exp = f;
! 	inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
! 	outlet_new(&x->x_obj, gensym("signal"));
! 	x->x_msi = 0;
! 	return (x);
! }
! 
! void sigiem_pow4_setup(void)
! {
! 	sigiem_pow4_class = class_new(gensym("iem_pow4~"), (t_newmethod)sigiem_pow4_new, 0,
! 				 sizeof(t_sigiem_pow4), 0, A_DEFFLOAT, 0);
! 	class_addcreator((t_newmethod)sigiem_pow4_new, gensym("icot~"), 0);
! 	CLASS_MAINSIGNALIN(sigiem_pow4_class, t_sigiem_pow4, x_msi);
! 	class_addmethod(sigiem_pow4_class, (t_method)sigiem_pow4_dsp, gensym("dsp"), 0);
! 	class_addmethod(sigiem_pow4_class, (t_method)sigiem_pow4_ft1, gensym("ft1"), A_FLOAT, 0);
! 	class_sethelpsymbol(sigiem_pow4_class, gensym("iemhelp/help-iem_pow4~"));
! }
--- 1,86 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ------------------------ iem_pow4~ ----------------------------- */
! 
! static t_class *sigiem_pow4_class;
! 
! typedef struct _sigiem_pow4
! {
!   t_object  x_obj;
!   float     x_exp;
!   float     x_msi;
! } t_sigiem_pow4;
! 
! static void sigiem_pow4_ft1(t_sigiem_pow4 *x, t_floatarg f)
! {
!   x->x_exp = f;
! }
! 
! static t_int *sigiem_pow4_perform(t_int *w)
! {
!   t_float *in = (t_float *)(w[1]);
!   t_float *out = (t_float *)(w[2]);
!   t_sigiem_pow4 *x = (t_sigiem_pow4 *)(w[3]);
!   t_float y=x->x_exp;
!   t_float f, g;
!   int n = (int)(w[4])/4;
!   
!   while (n--)
!   {
!     f = *in;
!     if(f < 0.01f)
!       f = 0.01f;
!     else if(f > 1000.0f)
!       f = 1000.0f;
!     g = log(f);
!     f = exp(g*y);
!     *out++ = f;
!     *out++ = f;
!     *out++ = f;
!     *out++ = f;
!     in += 4;
!   }
!   return (w+5);
! }
! 
! static void sigiem_pow4_dsp(t_sigiem_pow4 *x, t_signal **sp)
! {
!   dsp_add(sigiem_pow4_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
! }
! 
! static void *sigiem_pow4_new(t_floatarg f)
! {
!   t_sigiem_pow4 *x = (t_sigiem_pow4 *)pd_new(sigiem_pow4_class);
!   
!   x->x_exp = f;
!   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
!   outlet_new(&x->x_obj, gensym("signal"));
!   x->x_msi = 0;
!   return (x);
! }
! 
! void sigiem_pow4_setup(void)
! {
!   sigiem_pow4_class = class_new(gensym("iem_pow4~"), (t_newmethod)sigiem_pow4_new, 0,
!     sizeof(t_sigiem_pow4), 0, A_DEFFLOAT, 0);
!   class_addcreator((t_newmethod)sigiem_pow4_new, gensym("icot~"), 0);
!   CLASS_MAINSIGNALIN(sigiem_pow4_class, t_sigiem_pow4, x_msi);
!   class_addmethod(sigiem_pow4_class, (t_method)sigiem_pow4_dsp, gensym("dsp"), 0);
!   class_addmethod(sigiem_pow4_class, (t_method)sigiem_pow4_ft1, gensym("ft1"), A_FLOAT, 0);
!   class_sethelpsymbol(sigiem_pow4_class, gensym("iemhelp/help-iem_pow4~"));
! }
Index: f2note.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/f2note.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** f2note.c	18 May 2004 21:33:28 -0000	1.1.1.1
--- f2note.c	2 Jun 2005 18:23:54 -0000	1.2
***************
*** 1,189 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ------ frequency to note plus cents converter --------- */
! 
! typedef struct _f2note
! {
!     t_object x_obj;
!      void     *x_outlet_midi;
!      void     *x_outlet_note;
!      void     *x_outlet_cent;
!      int      x_centomidi;
!      float    x_refhz;
!      float    x_refexp;
!      float    x_reflog;
!      t_symbol *x_set;
! } t_f2note;
! 
! static t_class *f2note_class;
! 
! float f2note_mtof(t_f2note *x, float midi)
! {
!     return(x->x_refexp * exp(0.057762265047 * midi));
! }
! 
! float f2note_ftom(t_f2note *x, float freq)
! {
!     return (freq > 0 ? 17.31234049 * log(x->x_reflog * freq) : -1500);
! }
! 
! void f2note_calc_ref(t_f2note *x)
! {
!     float ln2=log(2.0);
! 
!     x->x_refexp = x->x_refhz*exp(-5.75*ln2);
!     x->x_reflog = 1.0/x->x_refexp;
! }
! 
! static void f2note_make_note(char *str, int midi)
! {
!     int j,k,l=0;
! 
!     j = midi / 12;
!     k = midi % 12;
!     if(k <= 5)
!     {
! 	if(k <= 2)
! 	{
! 	    if(k==0)
! 		str[l]='c';
! 	    else if(k==1)
! 	    {
! 		str[l++]='#';
! 		str[l]='c';
! 	    }
! 	    else
!                 str[l]='d';
! 	}
! 	else
! 	{
!             if(k==3)
!             {
! 		str[l++]='#';
! 		str[l]='d';
! 	    }
! 	    else if(k==4)
! 		str[l]='e';
! 	    else
!                 str[l]='f';
! 	}
!     }
!     else
!     {
! 	if(k <= 8)
! 	{
!             if(k==6)
!             {
! 		str[l++]='#';
! 		str[l]='f';
! 	    }
! 	    else if(k==7)
! 		str[l]='g';
! 	    else
!             {
! 		str[l++]='#';
! 		str[l]='g';
! 	    }
! 	}
! 	else
! 	{
!             if(k==9)
! 		str[l]='a';
! 	    else if(k==10)
! 	    {
! 		str[l++]='#';
! 		str[l]='a';
! 	    }
! 	    else
!                 str[l]='h';
! 	}
!     }
! 
!     if(j < 4)
!     {
!         str[l] -= 'a';
!         str[l] += 'A';
!     }
!     l++;
!     if(j < 3)
!     {
!         str[l++] = '0' + (char)(3 - j);
!     }
!     else if(j > 4)
!     {
!         str[l++] = '0' + (char)(j - 4);
!     }
!     str[l] = 0;
! }
! 
! static void f2note_bang(t_f2note *x)
! {
!     int i,j;
!     t_atom at;
!     char s[4];
! 
!     i = (x->x_centomidi + 50)/100;
!     j = x->x_centomidi - 100*i;
!     outlet_float(x->x_outlet_cent, (float)j);
!     f2note_make_note(s, i);
!     SETSYMBOL(&at, gensym(s));
!     outlet_anything(x->x_outlet_note, x->x_set, 1, &at);
!     outlet_float(x->x_outlet_midi, 0.01*(float)(x->x_centomidi));
! }
! 
! static void f2note_float(t_f2note *x, t_floatarg freq)
! {
!     x->x_centomidi = (int)(100.0*f2note_ftom(x, freq) + 0.5);
!     f2note_bang(x);
! }
! 
! void f2note_ref(t_f2note *x, t_floatarg ref)
! {
!     x->x_refhz = ref;
!     f2note_calc_ref(x);
! }
! 
! static void *f2note_new(t_floatarg ref)
! {
!     t_f2note *x = (t_f2note *)pd_new(f2note_class);
! 
!     if(ref == 0.0)
! 	ref=440.0;
!     x->x_refhz = ref;
!     x->x_centomidi = (int)(100.0*ref + 0.499);
!     f2note_calc_ref(x);
!     x->x_outlet_midi = outlet_new(&x->x_obj, &s_float);
!     x->x_outlet_note = outlet_new(&x->x_obj, &s_list);
!     x->x_outlet_cent = outlet_new(&x->x_obj, &s_float);
!     x->x_set = gensym("set");
!     return (x);
! }
! 
! static void f2note_free(t_f2note *x)
! {
! }
! 
! void f2note_setup(void)
! {
!     f2note_class = class_new(gensym("f2note"), (t_newmethod)f2note_new, (t_method)f2note_free,
! 			   sizeof(t_f2note), 0, A_DEFFLOAT, 0);
!     class_addbang(f2note_class,f2note_bang);
!     class_addfloat(f2note_class,f2note_float);
!     class_addmethod(f2note_class, (t_method)f2note_ref, gensym("ref"), A_FLOAT, 0);
!     class_sethelpsymbol(f2note_class, gensym("iemhelp/help-f2note"));
! }
--- 1,190 ----
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
! 
! #include "m_pd.h"
! #include "iemlib.h"
! #include <math.h>
! #include <stdio.h>
! #include <string.h>
! 
! /* ------------------------- f2note ---------------------- */
! /* ------ frequency to note plus cents converter --------- */
! 
! typedef struct _f2note
! {
!   t_object x_obj;
!   void     *x_outlet_midi;
!   void     *x_outlet_note;
!   void     *x_outlet_cent;
!   int      x_centomidi;
!   float    x_refhz;
!   float    x_refexp;
!   float    x_reflog;
!   t_symbol *x_set;
! } t_f2note;
! 
! static t_class *f2note_class;
! 
! float f2note_mtof(t_f2note *x, float midi)
! {
!   return(x->x_refexp * exp(0.057762265047 * midi));
! }
! 
! float f2note_ftom(t_f2note *x, float freq)
! {
!   return (freq > 0 ? 17.31234049 * log(x->x_reflog * freq) : -1500);
! }
! 
! void f2note_calc_ref(t_f2note *x)
! {
!   float ln2=log(2.0);
!   
!   x->x_refexp = x->x_refhz*exp(-5.75*ln2);
!   x->x_reflog = 1.0/x->x_refexp;
! }
! 
! static void f2note_make_note(char *str, int midi)
! {
!   int j,k,l=0;
!   
!   j = midi / 12;
!   k = midi % 12;
!   if(k <= 5)
!   {
!     if(k <= 2)
!     {
!       if(k==0)
!         str[l]='c';
!       else if(k==1)
!       {
!         str[l++]='#';
!         str[l]='c';
!       }
!       else
!         str[l]='d';
!     }
!     else
!     {
!       if(k==3)
!       {
!         str[l++]='#';
!         str[l]='d';
!       }
!       else if(k==4)
!         str[l]='e';
!       else
!         str[l]='f';
!     }
!   }
!   else
!   {
!     if(k <= 8)
!     {
!       if(k==6)
!       {
!         str[l++]='#';
!         str[l]='f';
!       }
!       else if(k==7)
!         str[l]='g';
!       else
!       {
!         str[l++]='#';
!         str[l]='g';
!       }
!     }
!     else
!     {
!       if(k==9)
!         str[l]='a';
!       else if(k==10)
!       {
!         str[l++]='#';
!         str[l]='a';
!       }
!       else
!         str[l]='h';
!     }
!   }
!   
!   if(j < 4)
!   {
!     str[l] -= 'a';
!     str[l] += 'A';
!   }
!   l++;
!   if(j < 3)
!   {
!     str[l++] = '0' + (char)(3 - j);
!   }
!   else if(j > 4)
!   {
!     str[l++] = '0' + (char)(j - 4);
!   }
!   str[l] = 0;
! }
! 
! static void f2note_bang(t_f2note *x)
! {
!   int i,j;
!   t_atom at;
!   char s[4];
!   
!   i = (x->x_centomidi + 50)/100;
!   j = x->x_centomidi - 100*i;
!   outlet_float(x->x_outlet_cent, (float)j);
!   f2note_make_note(s, i);
!   SETSYMBOL(&at, gensym(s));
!   outlet_anything(x->x_outlet_note, x->x_set, 1, &at);
!   outlet_float(x->x_outlet_midi, 0.01*(float)(x->x_centomidi));
! }
! 
! static void f2note_float(t_f2note *x, t_floatarg freq)
! {
!   x->x_centomidi = (int)(100.0*f2note_ftom(x, freq) + 0.5);
!   f2note_bang(x);
! }
! 
! void f2note_ref(t_f2note *x, t_floatarg ref)
! {
!   x->x_refhz = ref;
!   f2note_calc_ref(x);
! }
! 
! static void *f2note_new(t_floatarg ref)
! {
!   t_f2note *x = (t_f2note *)pd_new(f2note_class);
!   
!   if(ref == 0.0)
!     ref=440.0;
!   x->x_refhz = ref;
!   x->x_centomidi = (int)(100.0*ref + 0.499);
!   f2note_calc_ref(x);
!   x->x_outlet_midi = outlet_new(&x->x_obj, &s_float);
!   x->x_outlet_note = outlet_new(&x->x_obj, &s_list);
!   x->x_outlet_cent = outlet_new(&x->x_obj, &s_float);
!   x->x_set = gensym("set");
!   return (x);
! }
! 
! static void f2note_free(t_f2note *x)
! {
! }
! 
! void f2note_setup(void)
! {
!   f2note_class = class_new(gensym("f2note"), (t_newmethod)f2note_new, (t_method)f2note_free,
!     sizeof(t_f2note), 0, A_DEFFLOAT, 0);
!   class_addbang(f2note_class,f2note_bang);
!   class_addfloat(f2note_class,f2note_float);
!   class_addmethod(f2note_class, (t_method)f2note_ref, gensym("ref"), A_FLOAT, 0);
!   class_sethelpsymbol(f2note_class, gensym("iemhelp/help-f2note"));
! }
Index: sigfilter.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iemlib/src/iemlib1/sigfilter.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** sigfilter.c	9 Mar 2005 17:15:59 -0000	1.2
--- sigfilter.c	2 Jun 2005 18:23:54 -0000	1.3
***************
*** 1,822 ****
! /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
! * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
! 
! iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
! 
! #ifdef NT
! #pragma warning( disable : 4244 )
! #pragma warning( disable : 4305 )
! #endif
! 
[...1615 lines suppressed...]
!     x->end_f = x->cur_f;
!     x->end_a = x->cur_a;
!     x->end_b = x->cur_b;
!   }
!   return (x);
! }
! 
! void sigfilter_setup(void)
! {
!   sigfilter_class = class_new(gensym("filter~"), (t_newmethod)sigfilter_new,
!         0, sizeof(t_sigfilter), 0, A_GIMME, 0);
!   CLASS_MAINSIGNALIN(sigfilter_class, t_sigfilter, x_msi);
!   class_addmethod(sigfilter_class, (t_method)sigfilter_dsp, gensym("dsp"), 0);
!   class_addmethod(sigfilter_class, (t_method)sigfilter_ft1, gensym("ft1"), A_FLOAT, 0);
!   class_addmethod(sigfilter_class, (t_method)sigfilter_ft2, gensym("ft2"), A_FLOAT, 0);
!   class_addmethod(sigfilter_class, (t_method)sigfilter_ft3, gensym("ft3"), A_FLOAT, 0);
!   class_addmethod(sigfilter_class, (t_method)sigfilter_ft4, gensym("ft4"), A_FLOAT, 0);
!   class_addmethod(sigfilter_class, (t_method)sigfilter_print, gensym("print"), 0);
!   class_sethelpsymbol(sigfilter_class, gensym("iemhelp/help-filter~"));
! }

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