30 Nov 2006


      Update of /cvsroot/pure-data/externals/iem/iem_matrix/src
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv29895/iem/iem_matrix/src
Added Files:
    iem_matrix.c iem_matrix.dsp iem_matrix.dsw iemlib.h makefile 
    makefile_linux makefile_win matrix_bundle_line8~.c 
    matrix_bundle_line~.c matrix_bundle_stat~.c 
    matrix_diag_mul_line8~.c matrix_diag_mul_line~.c 
    matrix_diag_mul_stat~.c matrix_mul_line8~.c matrix_mul_line~.c 
    matrix_mul_stat~.c matrix_orthogonal.c matrix_pinv.c 
    spherical_line.c 
Log Message:
initial commit
changed float to t_float
-fno-strict-aliasing
#pragma obsolete
help-*.pd to *-help.pd
--- NEW FILE: iem_matrix.c ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_matrix written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
static t_class *iem_matrix_class;
static void *iem_matrix_new(void)
{
  t_object *x = (t_object *)pd_new(iem_matrix_class);
return (x);
}
void matrix_mul_line_tilde_setup(void);
void matrix_mul_line8_tilde_setup(void);
void matrix_mul_stat_tilde_setup(void);
void matrix_diag_mul_line_tilde_setup(void);
void matrix_diag_mul_line8_tilde_setup(void);
void matrix_diag_mul_stat_tilde_setup(void);
void matrix_bundle_line_tilde_setup(void);
void matrix_bundle_line8_tilde_setup(void);
void matrix_bundle_stat_tilde_setup(void);
/* ------------------------ setup routine ------------------------- */
void iem_matrix_setup(void)
{
  matrix_mul_line_tilde_setup();
  matrix_mul_line8_tilde_setup();
  matrix_mul_stat_tilde_setup();
  matrix_diag_mul_line_tilde_setup();
  matrix_diag_mul_line8_tilde_setup();
  matrix_diag_mul_stat_tilde_setup();
  matrix_bundle_line_tilde_setup();
  matrix_bundle_line8_tilde_setup();
  matrix_bundle_stat_tilde_setup();
post("iem_matrix (R-1.16) library loaded!   (c) Thomas Musil 05.2005");
  post("   musil%ciem.at iem KUG Graz Austria", '@');
}
--- NEW FILE: matrix_bundle_stat~.c ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_matrix written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
/* ---------- matrix_bundle_stat~ - signal matrix multiplication object with message matrix-coeff. ----------- */
typedef struct matrix_bundle_stat_tilde
{
  t_object  x_obj;
  int       *x_matbuf;
  t_float   **x_io;
  t_float   *x_outsumbuf;
  int       x_outsumbufsize;
  int       x_n_in; /* columns */
  int       x_n_out;   /* rows  */
  t_float   x_msi;
} t_matrix_bundle_stat_tilde;
t_class *matrix_bundle_stat_tilde_class;
static void matrix_bundle_stat_tilde_element(t_matrix_bundle_stat_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int inindex, outindex;
  int *matrix = x->x_matbuf;
if(argc < 2)
  {
    post("matrix_bundle_stat~ : bad list: <int> output_row_index <int> input_col_index !");
    return;
  }
outindex = (int)atom_getint(argv);
  argv++;
  inindex = (int)atom_getint(argv) - 1;
if(inindex >= x->x_n_in)
    inindex = x->x_n_in - 1;
  if(inindex < 0)
    inindex = 0;
  if(outindex >= x->x_n_out)
    outindex = x->x_n_out;
  if(outindex < 0)
    outindex = 0;
matrix[inindex] = outindex;
}
static void matrix_bundle_stat_tilde_list(t_matrix_bundle_stat_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int outindex, i, n=x->x_n_in;
  int *matrix = x->x_matbuf;
if(argc < n)
  {
    post("matrix_bundle_stat~ : bad list: (number_of_input_cols = %d) * <int> output_row_index !", n);
    return;
  }
for(i=0; i<n; i++)
  {
    outindex = (int)atom_getint(argv);
    argv++;
    if(outindex >= x->x_n_out)
      outindex = x->x_n_out;
    if(outindex < 0)
      outindex = 0;
    matrix[i] = outindex;
  }
}
static void matrix_bundle_stat_tilde_bundle(t_matrix_bundle_stat_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  matrix_bundle_stat_tilde_list(x, &s_list, argc, argv);
}
/* the dsp thing */
static t_int *matrix_bundle_stat_tilde_perform(t_int *w)
{
  t_matrix_bundle_stat_tilde *x = (t_matrix_bundle_stat_tilde *)(w[1]);
  int n = (int)(w[2]);
t_float **io = x->x_io;
  t_float *outsum;
  int *mat  = x->x_matbuf;
  int n_in = x->x_n_in;   /* columns */
  int n_out = x->x_n_out; /* rows */
  t_float *in, *out;
  int i, j, thrw;
outsum = x->x_outsumbuf;
  for(j=0; j<n_out; j++)/* reset out-buffer */
  {
    for(i=0; i<n; i++)
      *outsum++ = 0.0f;
  }
for(j=0; j<n_in; j++)/* each in */
  {
    in = io[j];
    thrw = mat[j];
    if(thrw)
    {
      thrw--;/* transform index from 1..n to 0..(n-1) */
      outsum = x->x_outsumbuf + n*thrw;
      for(i=0; i<n; i++)
        *outsum++ += *in++;
    }
  }
outsum = x->x_outsumbuf;
  for(j=0; j<n_out; j++)/* copy out-buffer to out */
  {
    out = io[n_in+j];
    for(i=0; i<n; i++)
      *out++ = *outsum++;
  }
  return (w+3);
}
static t_int *matrix_bundle_stat_tilde_perf8(t_int *w)
{
  t_matrix_bundle_stat_tilde *x = (t_matrix_bundle_stat_tilde *)(w[1]);
  int n = (int)(w[2]);
t_float **io = x->x_io;
  t_float *outsum;
  int *mat  = x->x_matbuf;
  int n_in = x->x_n_in;   /* columns */
  int n_out = x->x_n_out; /* rows */
  t_float *in, *out;
  int i, j, thrw;
outsum = x->x_outsumbuf;
  for(j=0; j<n_out; j++)/* reset out-buffer */
  {
    for(i=n; i; i -= 8, outsum += 8)
    {
      outsum[0] = 0.0f;
      outsum[1] = 0.0f;
      outsum[2] = 0.0f;
      outsum[3] = 0.0f;
      outsum[4] = 0.0f;
      outsum[5] = 0.0f;
      outsum[6] = 0.0f;
      outsum[7] = 0.0f;
    }
  }
for(j=0; j<n_in; j++)/* each in */
  {
    in = io[j];
    thrw = mat[j];
    if(thrw)
    {
      thrw--;
      outsum = x->x_outsumbuf + n*thrw;
      for(i=n; i; i -= 8, outsum += 8, in += 8)
      {
        outsum[0] += in[0];
        outsum[1] += in[1];
        outsum[2] += in[2];
        outsum[3] += in[3];
        outsum[4] += in[4];
        outsum[5] += in[5];
        outsum[6] += in[6];
        outsum[7] += in[7];
      }
    }
  }
outsum = x->x_outsumbuf;
  for(j=0; j<n_out; j++)/* copy out-buffer to out */
  {
    out = io[n_in+j];
    for (i=n; i; i -= 8, out += 8, outsum += 8)
    {
      out[0] = outsum[0];
      out[1] = outsum[1];
      out[2] = outsum[2];
      out[3] = outsum[3];
      out[4] = outsum[4];
      out[5] = outsum[5];
      out[6] = outsum[6];
      out[7] = outsum[7];
    }
  }
  return (w+3);
}
static void matrix_bundle_stat_tilde_dsp(t_matrix_bundle_stat_tilde *x, t_signal **sp)
{
  int i, n=sp[0]->s_n*x->x_n_out;
if(!x->x_outsumbuf)
  {
    x->x_outsumbufsize = n;
    x->x_outsumbuf = (t_float *)getbytes(x->x_outsumbufsize * sizeof(t_float));
  }
  else if(x->x_outsumbufsize != n)
  {
    x->x_outsumbuf = (t_float *)resizebytes(x->x_outsumbuf, x->x_outsumbufsize*sizeof(t_float), n*sizeof(t_float));
    x->x_outsumbufsize = n;
  }
n = x->x_n_in + x->x_n_out;
  for(i=0; i<n; i++)
  {
    x->x_io[i] = sp[i]->s_vec;
    /*post("iovec_addr = %d", (unsigned int)x->x_io[i]);*/
  }
n = sp[0]->s_n;
  if(n&7)
    dsp_add(matrix_bundle_stat_tilde_perform, 2, x, sp[0]->s_n);
  else
    dsp_add(matrix_bundle_stat_tilde_perf8, 2, x, sp[0]->s_n);
}
/* setup/setdown things */
static void matrix_bundle_stat_tilde_free(t_matrix_bundle_stat_tilde *x)
{
  freebytes(x->x_matbuf, x->x_n_in * sizeof(int));
  freebytes(x->x_io, (x->x_n_in + x->x_n_out) * sizeof(t_float *));
  if(x->x_outsumbuf)
    freebytes(x->x_outsumbuf, x->x_outsumbufsize * sizeof(t_float));
}
static void *matrix_bundle_stat_tilde_new(t_symbol *s, int argc, t_atom *argv)
{
  t_matrix_bundle_stat_tilde *x = (t_matrix_bundle_stat_tilde *)pd_new(matrix_bundle_stat_tilde_class);
  int i;
switch (argc)
  {
  case 0:
    x->x_n_in = x->x_n_out = 1;
    break;
  case 1:
    x->x_n_in = x->x_n_out = (int)atom_getint(argv);
    break;
  default:
    x->x_n_in = (int)atom_getint(argv);
    x->x_n_out = (int)atom_getint(argv+1);
    break;
  }
if(x->x_n_in < 1)
    x->x_n_in = 1;
  if(x->x_n_out < 1)
    x->x_n_out = 1;
  i = x->x_n_in - 1;
  while(i--)
    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
  i = x->x_n_out;
  while(i--)
    outlet_new(&x->x_obj, &s_signal);
  x->x_msi = 0;
  x->x_outsumbuf = (t_float *)0;
  x->x_outsumbufsize = 0;
  x->x_matbuf = (int *)getbytes(x->x_n_in * sizeof(int));
  x->x_io = (t_float **)getbytes((x->x_n_in + x->x_n_out) * sizeof(t_float *));
  return (x);
}
void matrix_bundle_stat_tilde_setup(void)
{
  matrix_bundle_stat_tilde_class = class_new(gensym("matrix_bundle_stat~"), (t_newmethod)matrix_bundle_stat_tilde_new, (t_method)matrix_bundle_stat_tilde_free,
    sizeof(t_matrix_bundle_stat_tilde), 0, A_GIMME, 0);
  CLASS_MAINSIGNALIN(matrix_bundle_stat_tilde_class, t_matrix_bundle_stat_tilde, x_msi);
  class_addmethod(matrix_bundle_stat_tilde_class, (t_method)matrix_bundle_stat_tilde_dsp, gensym("dsp"), 0);
  class_addlist(matrix_bundle_stat_tilde_class, (t_method)matrix_bundle_stat_tilde_list);
  class_addmethod(matrix_bundle_stat_tilde_class, (t_method)matrix_bundle_stat_tilde_element, gensym("element"), A_GIMME, 0);
  class_addmethod(matrix_bundle_stat_tilde_class, (t_method)matrix_bundle_stat_tilde_bundle, gensym("bundle"), A_GIMME, 0);
  class_sethelpsymbol(matrix_bundle_stat_tilde_class, gensym("iemhelp2/matrix_bundle_stat~-help"));
}
--- NEW FILE: makefile_linux ---
current: all
.SUFFIXES: .pd_linux
INCLUDE = -I. -I/usr/local/src/pd/src
LDFLAGS = -export-dynamic -shared
LIB = -ldl -lm -lpthread
#select either the DBG and OPT compiler flags below:
CFLAGS = -DPD -DUNIX -W -Werror -Wno-unused \
    -Wno-parentheses -Wno-switch -O6 -funroll-loops -fomit-frame-pointer -fno-strict-aliasing \
        -DDL_OPEN
SYSTEM = $(shell uname -m)
# the sources
SRC = matrix_mul_line~.c \
    matrix_mul_line8~.c \
    matrix_mul_stat~.c \
    matrix_diag_mul_line~.c \
    matrix_diag_mul_line8~.c \
    matrix_diag_mul_stat~.c \
    matrix_bundle_line~.c \
    matrix_bundle_line8~.c \
    matrix_bundle_stat~.c \
    iem_matrix.c
TARGET = iem_matrix.pd_linux
OBJ = $(SRC:.c=.o)
#
#  ------------------ targets ------------------------------------
#
clean:
    rm ..$(TARGET)
    rm *.o
all: $(OBJ)
    @echo :: $(OBJ)
    $(LD) $(LDFLAGS) -o $(TARGET) *.o $(LIB)
    strip --strip-unneeded $(TARGET)
    mv $(TARGET) ..
$(OBJ) : %.o : %.c
    $(CC) $(CFLAGS) $(INCLUDE) -c -o $*.o $*.c
--- NEW FILE: matrix_pinv.c ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_matrix written by Thomas Musil (c) IEM KUG Graz Austria 2002 - 2006 */
/* -------------------------- matrix_pinv ------------------------------ */
typedef struct _matrix_pinv
{
  t_object  x_obj;
  int       x_dim;
  int       x_size;
  double    *x_work2;
  double    *x_buf2;
  t_atom    *x_at;
} t_matrix_pinv;
static t_class *matrix_pinv_class;
static void matrix_pinv_copy_row2buf(t_matrix_pinv *x, int row)
{
  int dim2 = 2*x->x_dim;
  int i;
  double *dw=x->x_work2;
  double *db=x->x_buf2;
dw += row*dim2;
  for(i=0; i<dim2; i++)
    *db++ = *dw++;
}
static void matrix_pinv_copy_buf2row(t_matrix_pinv *x, int row)
{
  int dim2 = 2*x->x_dim;
  int i;
  double *dw=x->x_work2;
  double *db=x->x_buf2;
dw += row*dim2;
  for(i=0; i<dim2; i++)
    *dw++ = *db++;
}
static void matrix_pinv_copy_row2row(t_matrix_pinv *x, int src_row, int dst_row)
{
  int dim2 = 2*x->x_dim;
  int i;
  double *dw_src=x->x_work2;
  double *dw_dst=x->x_work2;
dw_src += src_row*dim2;
  dw_dst += dst_row*dim2;
  for(i=0; i<dim2; i++)
  {
    *dw_dst++ = *dw_src++;
  }
}
static void matrix_pinv_xch_rows(t_matrix_pinv *x, int row1, int row2)
{
  matrix_pinv_copy_row2buf(x, row1);
  matrix_pinv_copy_row2row(x, row2, row1);
  matrix_pinv_copy_buf2row(x, row2);
}
static void matrix_pinv_mul_row(t_matrix_pinv *x, int row, double mul)
{
  int dim2 = 2*x->x_dim;
  int i;
  double *dw=x->x_work2;
dw += row*dim2;
  for(i=0; i<dim2; i++)
    (*dw++) *= mul;
}
static void matrix_pinv_mul_col(t_matrix_pinv *x, int col, double mul)
{
  int dim = x->x_dim;
  int dim2 = 2*dim;
  int i;
  double *dw=x->x_work2;
dw += col;
  for(i=0; i<dim; i++)
  {
    (*dw) *= mul;
    dw += dim2;
  }
}
static void matrix_pinv_mul_buf_and_add2row(t_matrix_pinv *x, int row, double mul)
{
  int dim2 = 2*x->x_dim;
  int i;
  double *dw=x->x_work2;
  double *db=x->x_buf2;
dw += row*dim2;
  for(i=0; i<dim2; i++)
    *dw++ += (*db++)*mul;
}
static int matrix_pinv_eval_which_element_of_col_not_zero(t_matrix_pinv *x, int col, int start_row)
{
  int dim = x->x_dim;
  int dim2 = 2*dim;
  int i, j;
  double *dw=x->x_work2;
  int ret=-1;
dw += start_row*dim2 + col;
  j = 0;
  for(i=start_row; i<dim; i++)
  {
    if((*dw > 1.0e-10) || (*dw < -1.0e-10))
    {
      ret = i;
      i = dim+1;
    }
    dw += dim2;
  }
  return(ret);
}
static void matrix_pinv_inverse(t_matrix_pinv *x)
{
  int n_ambi = x->x_n_ambi;
  int n_ambi2 = 2*n_ambi;
  int i, j, nz;
  int r,c;
  double *src=x->x_inv_work1;
  double *db=x->x_inv_work2;
  double *acw_vec=x->x_ambi_channel_weight;
  double rcp, *dv;
dv = db;
  for(i=0; i<n_ambi; i++) /* init */
  {
    for(j=0; j<n_ambi; j++)
    {
      *dv++ = *src++;
    }
    for(j=0; j<n_ambi; j++)
    {
      if(j == i)
        *dv++ = 1.0;
      else
        *dv++ = 0.0;
    }
  }
  /* make 1 in main-diagonale, and 0 below */
  for(i=0; i<n_ambi; i++)
  {
    nz = matrix_pinv_eval_which_element_of_col_not_zero(x, i, i);
    if(nz < 0)
    {
      post("matrix_pinv ERROR: matrix not regular !!!!");
      return;
    }
    else
    {
      if(nz != i)
        matrix_pinv_xch_rows(x, i, nz);
      dv = db + i*n_ambi2 + i;
      rcp = 1.0 /(*dv);
      matrix_pinv_mul_row(x, i, rcp);
      matrix_pinv_copy_row2buf(x, i);
      for(j=i+1; j<n_ambi; j++)
      {
        dv += n_ambi2;
        rcp = -(*dv);
        matrix_pinv_mul_buf_and_add2row(x, j, rcp);
      }
    }
  }
  /* make 0 above the main diagonale */
  for(i=n_ambi-1; i>=0; i--)
  {
    dv = db + i*n_ambi2 + i;
    matrix_pinv_copy_row2buf(x, i);
    for(j=i-1; j>=0; j--)
    {
      dv -= n_ambi2;
      rcp = -(*dv);
      matrix_pinv_mul_buf_and_add2row(x, j, rcp);
    }
  }
for(i=0; i<n_ambi; i++)
  {
    matrix_pinv_mul_col(x, i+n_ambi, acw_vec[i]);
  }
post("matrix_inverse regular");
}
static void matrix_pinv_matrix(t_matrix_pinv *x, t_symbol *s, int argc, t_atom *argv)
{
  int dim = x->x_dim;
  int dim2 = 2*dim;
  int i, j, nz;
  int r,c;
  double *db=x->x_work2;
  double rcp, *dv=db;
  t_atom *at=x->x_at;
if(argc != (dim*dim + 2))
  {
    post("matrix_pinv ERROR: wrong dimension of input-list");
    return;
if(ac > x->x_size)
    {
      x->x_at = (t_atom *)resizebytes(x->x_at, x->x_size*sizeof(t_atom), ac*sizeof(t_atom));
      x->x_size = ac;
    }
    x->x_ac = ac;
    x->x_sym = &s_list;
}
  r = (int)(atom_getint(argv++));
  c = (int)(atom_getint(argv++));
  if(r != dim)
  {
    post("matrix_pinv ERROR: wrong number of rows of input-list");
    return;
  }
  if(c != dim)
  {
    post("matrix_pinv ERROR: wrong number of cols of input-list");
    return;
  }
  for(i=0; i<dim; i++) /* init */
  {
    for(j=0; j<dim; j++)
    {
      *dv++ = (double)(atom_getfloat(argv++));
    }
    for(j=0; j<dim; j++)
    {
      if(j == i)
        *dv++ = 1.0;
      else
        *dv++ = 0.0;
    }
  }
/* make 1 in main-diagonale, and 0 below */
  for(i=0; i<dim; i++)
  {
    nz = matrix_pinv_eval_which_element_of_col_not_zero(x, i, i);
    if(nz < 0)
    {
      post("matrix_pinv ERROR: matrix not regular");
      return;
    }
    else
    {
      if(nz != i)
      {
        matrix_pinv_xch_rows(x, i, nz);
      }
      dv = db + i*dim2 + i;
      rcp = 1.0 /(*dv);
      matrix_pinv_mul_row(x, i, rcp);
      matrix_pinv_copy_row2buf(x, i);
      for(j=i+1; j<dim; j++)
      {
        dv += dim2;
        rcp = -(*dv);
        matrix_pinv_mul_buf_and_add2row(x, j, rcp);
      }
    }
  }
/* make 0 above the main diagonale */
  for(i=dim-1; i>=0; i--)
  {
    dv = db + i*dim2 + i;
    matrix_pinv_copy_row2buf(x, i);
    for(j=i-1; j>=0; j--)
    {
      dv -= dim2;
      rcp = -(*dv);
      matrix_pinv_mul_buf_and_add2row(x, j, rcp);
    }
  }
at = x->x_at;
  SETFLOAT(at, (t_float)dim);
  at++;
  SETFLOAT(at, (t_float)dim);
  at++;
  dv = db;
  dv += dim;
  for(i=0; i<dim; i++)    /* output left half of double-matrix */
  {
    for(j=0; j<dim; j++)
    {
      SETFLOAT(at, (t_float)(*dv++));
      at++;
    }
    dv += dim;
  }
outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), argc, x->x_at);
}
static void matrix_pinv_mul1(t_matrix_pinv *x)
{
  double *vec1, *beg1=x->x_ls_encode;
  double *vec2, *beg2=x->x_ls_encode;
  double *inv=x->x_inv_work1;
  double sum;
  int n_ls=x->x_n_ls+x->x_n_phls;
  int n_ambi=x->x_n_ambi;
  int i, j, k;
for(k=0; k<n_ambi; k++)
  {
    beg2=x->x_ls_encode;
    for(j=0; j<n_ambi; j++)
    {
      sum = 0.0;
      vec1 = beg1;
      vec2 = beg2;
      for(i=0; i<n_ls; i++)
      {
        sum += *vec1++ * *vec2++;
      }
      beg2 += n_ls;
      *inv++ = sum;
    }
    beg1 += n_ls;
  }
}
static void matrix_pinv_mul2(t_matrix_pinv *x)
{
  int n_ls=x->x_n_ls+x->x_n_phls;
  int n_ambi=x->x_n_ambi;
  int n_ambi2=2*n_ambi;
  int i, j, k;
  double *vec1, *beg1=x->x_transp;
  double *vec2, *beg2=x->x_inv_work2+n_ambi;
  double *vec3=x->x_prod;
  double *acw_vec=x->x_ambi_channel_weight;
  double sum;
for(k=0; k<n_ls; k++)
  {
    beg2=x->x_inv_work2+n_ambi;
    for(j=0; j<n_ambi; j++)
    {
      sum = 0.0;
      vec1 = beg1;
      vec2 = beg2;
      for(i=0; i<n_ambi; i++)
      {
        sum += *vec1++ * *vec2;
        vec2 += n_ambi2;
      }
      beg2++;
      *vec3++ = sum * acw_vec[j];
    }
    beg1 += n_ambi;
  }
}
static void matrix_pinv_transp_back(t_matrix_pinv *x)
{
  double *vec, *transp=x->x_transp;
  double *straight=x->x_ls_encode;
  int n_ls=x->x_n_ls+x->x_n_phls;
  int n_ambi=x->x_n_ambi;
  int i, j;
for(j=0; j<n_ambi; j++)
  {
    vec = transp;
    for(i=0; i<n_ls; i++)
    {
      *straight++ = *vec;
      vec += n_ambi;
    }
    transp++;
  }
}
static void matrix_pinv_inverse(t_matrix_pinv *x)
{
  int n_ambi = x->x_n_ambi;
  int n_ambi2 = 2*n_ambi;
  int i, j, nz;
  int r,c;
  double *src=x->x_inv_work1;
  double *db=x->x_inv_work2;
  double rcp, *dv;
dv = db;
  for(i=0; i<n_ambi; i++) /* init */
  {
    for(j=0; j<n_ambi; j++)
    {
      *dv++ = *src++;
    }
    for(j=0; j<n_ambi; j++)
    {
      if(j == i)
        *dv++ = 1.0;
      else
        *dv++ = 0.0;
    }
  }
/* make 1 in main-diagonale, and 0 below */
  for(i=0; i<n_ambi; i++)
  {
    nz = matrix_pinv_eval_which_element_of_col_not_zero(x, i, i);
    if(nz < 0)
    {
      post("matrix_pinv ERROR: matrix not regular !!!!");
      return;
    }
    else
    {
      if(nz != i)
        matrix_pinv_xch_rows(x, i, nz);
      dv = db + i*n_ambi2 + i;
      rcp = 1.0 /(*dv);
      matrix_pinv_mul_row(x, i, rcp);
      matrix_pinv_copy_row2buf(x, i);
      for(j=i+1; j<n_ambi; j++)
      {
        dv += n_ambi2;
        rcp = -(*dv);
        matrix_pinv_mul_buf_and_add2row(x, j, rcp);
      }
    }
  }
/* make 0 above the main diagonale */
  for(i=n_ambi-1; i>=0; i--)
  {
    dv = db + i*n_ambi2 + i;
    matrix_pinv_copy_row2buf(x, i);
    for(j=i-1; j>=0; j--)
    {
      dv -= n_ambi2;
      rcp = -(*dv);
      matrix_pinv_mul_buf_and_add2row(x, j, rcp);
    }
  }
post("matrix_inverse regular");
}
static void matrix_pinv_pinv(t_matrix_pinv *x)
{
  t_atom *at=x->x_at;
matrix_pinv_transp_back(x);
  matrix_pinv_mul1(x);
  matrix_pinv_inverse(x);
  matrix_pinv_mul2(x);
  if((x->x_mirrorsum_end > x->x_mirrorsum_beg)&&
    (x->x_realsum_end > x->x_realsum_beg)&&
    ((x->x_mirrorsum_end - x->x_mirrorsum_beg) == (x->x_realsum_end - x->x_realsum_beg)))
  {
    double *mir=x->x_prod+x->x_mirrorsum_beg*x->x_n_ambi;
    double *real=x->x_prod+x->x_realsum_beg*x->x_n_ambi;
    double mwght=x->x_mir_wght;
    int i, n=(x->x_mirrorsum_end - x->x_mirrorsum_beg)*x->x_n_ambi;
//    post("mirror");
    for(i=0; i<n; i++)
      real[i] += mir[i]*mwght;
n = x->x_mirrorsum_beg*x->x_n_ambi;
    real=x->x_prod;
    SETFLOAT(at, (t_float)x->x_n_ambi);
    at++;
    SETFLOAT(at, (t_float)x->x_mirrorsum_beg);
    at++;
    for(i=0; i<n; i++)
    {
      SETFLOAT(at, (t_float)(*real));
      real++;
      at++;
    }
    outlet_anything(x->x_obj.ob_outlet, x->x_s_matrix, n+2, x->x_at);
  }
  else
  {
    int i, n=x->x_n_ls*x->x_n_ambi;
    double *dv=x->x_prod;
//    post("real");
    SETFLOAT(at, (t_float)x->x_n_ambi);
    at++;
    SETFLOAT(at, (t_float)x->x_n_ls);
    at++;
    for(i=0; i<n; i++)
    {
      SETFLOAT(at, (t_float)(*dv));
      dv++;
      at++;
    }
    outlet_anything(x->x_obj.ob_outlet, x->x_s_matrix, n+2, x->x_at);
  }
}
static void matrix_pinv_free(t_matrix_pinv *x)
{
  freebytes(x->x_work2, 2 * x->x_dim * x->x_dim * sizeof(double));
  freebytes(x->x_buf2, 2 * x->x_dim * sizeof(double));
  freebytes(x->x_at, x->x_size * sizeof(t_atom));
}
static void *matrix_pinv_new(void)
{
  t_matrix_pinv *x = (t_matrix_pinv *)pd_new(matrix_pinv_class);
x->x_dim = 10;
  x->x_size = 102;
  x->x_work2 = (double *)getbytes(2 * x->x_dim * x->x_dim * sizeof(double));
  x->x_buf2 = (double *)getbytes(2 * x->x_dim * sizeof(double));
  x->x_at = (t_atom *)getbytes(x->x_size * sizeof(t_atom));
  outlet_new(&x->x_obj, &s_list);
  return (x);
}
void matrix_pinv_setup(void)
{
  matrix_pinv_class = class_new(gensym("matrix_pinv"), (t_newmethod)matrix_pinv_new, (t_method)matrix_pinv_free,
    sizeof(t_matrix_pinv), 0, 0);
  class_addmethod(matrix_pinv_class, (t_method)matrix_pinv_matrix, gensym("matrix"), A_GIMME, 0);
  class_sethelpsymbol(matrix_pinv_class, gensym("iemhelp/matrix_pinv-help"));
}
--- NEW FILE: iem_matrix.dsp ---
# Microsoft Developer Studio Project File - Name="iem_matrix" - Package Owner=<4>
# Microsoft Developer Studio Generated Build File, Format Version 6.00
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# Begin Target
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!IF  "$(CFG)" == "iem_matrix - Win32 Release"
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!ENDIF
# Begin Source File
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# End Source File
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# End Project
--- NEW FILE: matrix_bundle_line~.c ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_matrix written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
/* ---------- matrix_bundle_line~ - signal matrix multiplication object with message matrix-coeff. ----------- */
typedef struct matrix_bundle_line_tilde
{
  t_object  x_obj;
  int       *x_in2out_new;
  int       *x_in2out_old;
  int       *x_remaining_ticks;
  int       *x_retarget;
  t_float   **x_io;
  t_float   *x_outsumbuf;
  int       x_outsumbufsize;
  int       x_n_in; /* columns */
  int       x_n_out;   /* rows  */
  t_float   x_inc;
  t_float   x_biginc;
  t_float   x_raise_cur;
  t_float   x_raise_end;
  t_float   x_fall_cur;
  t_float   x_fall_end;
  t_float   x_msi;
  int       x_remaining_ticks_start;
  t_float   x_time_ms;
  t_float   x_ms2tick;
  t_float   x_1overn;
} t_matrix_bundle_line_tilde;
t_class *matrix_bundle_line_tilde_class;
static void matrix_bundle_line_tilde_time(t_matrix_bundle_line_tilde *x, t_floatarg time_ms)
{
  if(time_ms <= 0.0f)
    time_ms = 0.0f;
  x->x_time_ms = time_ms;
x->x_remaining_ticks_start = (int)(x->x_time_ms * x->x_ms2tick);
  if(!x->x_remaining_ticks_start)
    x->x_remaining_ticks_start = 1;
}
static void matrix_bundle_line_tilde_element(t_matrix_bundle_line_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int inindex, outindex;
if(argc < 2)
  {
    post("matrix_bundle_line~ : bad list: <int> output_row_index <int> input_col_index !");
    return;
  }
if(x->x_time_ms <= 0.0f)
  {
    outindex = (int)atom_getint(argv);
    argv++;
    inindex = (int)atom_getint(argv) - 1;
if(inindex >= x->x_n_in)
      inindex = x->x_n_in - 1;
    if(inindex < 0)
      inindex = 0;
    if(outindex >= x->x_n_out)
      outindex = x->x_n_out;
    if(outindex < 0)
      outindex = 0;
x->x_in2out_old[inindex] = x->x_in2out_new[inindex] = outindex;/*retarget = 0*/
    x->x_remaining_ticks[inindex] = x->x_retarget[inindex] = 0;
    x->x_fall_end = x->x_fall_cur = 0.0f;
    x->x_raise_end = x->x_raise_cur = 1.0f;
  }
  else
  {
    x->x_inc = x->x_1overn / (float)x->x_remaining_ticks_start;
    x->x_biginc = 1.0f / (float)x->x_remaining_ticks_start;
x->x_fall_end = 0.0f;
    x->x_fall_cur = 1.0f;
    x->x_raise_end = 1.0f;
    x->x_raise_cur = 0.0f;
outindex = (int)atom_getint(argv);
    argv++;
    inindex = (int)atom_getint(argv) - 1;
if(inindex >= x->x_n_in)
      inindex = x->x_n_in - 1;
    if(inindex < 0)
      inindex = 0;
    if(outindex >= x->x_n_out)
      outindex = x->x_n_out;
    if(outindex < 0)
      outindex = 0;
x->x_in2out_new[inindex] = outindex;
    if(x->x_in2out_new[inindex] == x->x_in2out_old[inindex])
      x->x_retarget[inindex] = 0;
    else
      x->x_retarget[inindex] = 1;
  }
}
static void matrix_bundle_line_tilde_list(t_matrix_bundle_line_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int outindex, i, n=x->x_n_in;
if(argc < n)
  {
    post("matrix_bundle_line~ : bad list: (number_of_input_cols = %d) * <int> output_row_index !", n);
    return;
  }
if(x->x_time_ms <= 0.0f)
  {
    for(i=0; i<n; i++)
    {
      outindex = (int)atom_getint(argv);
      argv++;
      if(outindex >= x->x_n_out)
        outindex = x->x_n_out;
      if(outindex < 0)
        outindex = 0;
      x->x_in2out_old[i] = x->x_in2out_new[i] = outindex;/*retarget = 0*/
      x->x_remaining_ticks[i] = x->x_retarget[i] = 0;
    }
    x->x_fall_end = x->x_fall_cur = 0.0f;
    x->x_raise_end = x->x_raise_cur = 1.0f;
  }
  else
  {
    x->x_inc = x->x_1overn / (float)x->x_remaining_ticks_start;
    x->x_biginc = 1.0f / (float)x->x_remaining_ticks_start;
x->x_fall_end = 0.0f;
    x->x_fall_cur = 1.0f;
    x->x_raise_end = 1.0f;
    x->x_raise_cur = 0.0f;
for(i=0; i<argc; i++)
    {
      x->x_in2out_old[i] = x->x_in2out_new[i];
outindex = (int)atom_getint(argv);
      argv++;
      if(outindex >= x->x_n_out)
        outindex = x->x_n_out;
      if(outindex < 0)
        outindex = 0;
      x->x_in2out_new[i] = outindex;
      if(x->x_in2out_new[i] == x->x_in2out_old[i])
        x->x_retarget[i] = 0;
      else
        x->x_retarget[i] = 1;
    }
  }
}
static void matrix_bundle_line_tilde_bundle(t_matrix_bundle_line_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  matrix_bundle_line_tilde_list(x, &s_list, argc, argv);
}
static void matrix_bundle_line_tilde_stop(t_matrix_bundle_line_tilde *x)
{
  int i, n=x->x_n_in;
x->x_fall_end = x->x_fall_cur;
  x->x_raise_end = x->x_raise_cur;
  for(i=0; i<n; i++)
  {
    x->x_in2out_new[i] = x->x_in2out_old[i];
    x->x_remaining_ticks[i] = x->x_retarget[i] = 0;
  }
}
/* the dsp thing */
static t_int *matrix_bundle_line_tilde_perform_zero(t_int *w)
{
  t_matrix_bundle_line_tilde *x = (t_matrix_bundle_line_tilde *)(w[1]);
  int n = (int)(w[2]);
  t_float **io = x->x_io;
  int n_in = x->x_n_in;
  int n_out = x->x_n_out;
  t_float *out;
  int j, i;
for(j=0; j<n_out; j++)/* output-vector-row */
  {
    out = io[n_in+j];
    for(i=0; i<n; i++)
      *out++ = 0.0f;
  }
  return (w+3);
}
static t_int *matrix_bundle_line_tilde_perf8(t_int *w)
{
  t_matrix_bundle_line_tilde *x = (t_matrix_bundle_line_tilde *)(w[1]);
  int n = (int)(w[2]);
  t_float **io = x->x_io;
  t_float *outsum;
  int *in2out_new = x->x_in2out_new;
  int *in2out_old = x->x_in2out_old;
  int n_in = x->x_n_in;   /* columns */
  int n_out = x->x_n_out; /* rows */
  t_float *in, *out, mul;
  t_float inc = x->x_inc;
  int i, j, endofticks=0;
for(i=0; i<n_in; i++)
  {
    if(x->x_retarget[i])
    {
      x->x_remaining_ticks[i] = x->x_remaining_ticks_start;
      x->x_retarget[i] = 0;
    }
  }
for(j=0; j<n_out; j++)
  {
    outsum = x->x_outsumbuf + j*n;
    for(i=n; i; i -= 8, outsum += 8)/* reset out-buffer */
    {
      outsum[0] = 0.0f;
      outsum[1] = 0.0f;
      outsum[2] = 0.0f;
      outsum[3] = 0.0f;
      outsum[4] = 0.0f;
      outsum[5] = 0.0f;
      outsum[6] = 0.0f;
      outsum[7] = 0.0f;
    }
  }
for(j=0; j<n_in; j++)
  {
    if(x->x_remaining_ticks[j])
    {
      in = io[j];
      if(in2out_new[j])
      {
        outsum = x->x_outsumbuf + n*(in2out_new[j] - 1);
        mul = x->x_raise_cur;
        for(i=n; i; i -= 8, outsum += 8, in += 8)/* each new in */
        {
          outsum[0] += in[0]*mul;
          mul += inc;
          outsum[1] += in[1]*mul;
          mul += inc;
          outsum[2] += in[2]*mul;
          mul += inc;
          outsum[3] += in[3]*mul;
          mul += inc;
          outsum[4] += in[4]*mul;
          mul += inc;
          outsum[5] += in[5]*mul;
          mul += inc;
          outsum[6] += in[6]*mul;
          mul += inc;
          outsum[7] += in[7]*mul;
          mul += inc;
        }
      }
      //      raise_cur = mul;
in = io[j];
      if(in2out_old[j])
      {
        outsum = x->x_outsumbuf + n*(in2out_old[j] - 1);
        mul = x->x_fall_cur;
        for(i=n; i; i -= 8, outsum += 8, in += 8)/* each old in */
        {
          outsum[0] += in[0]*mul;
          mul -= inc;
          outsum[1] += in[1]*mul;
          mul -= inc;
          outsum[2] += in[2]*mul;
          mul -= inc;
          outsum[3] += in[3]*mul;
          mul -= inc;
          outsum[4] += in[4]*mul;
          mul -= inc;
          outsum[5] += in[5]*mul;
          mul -= inc;
          outsum[6] += in[6]*mul;
          mul -= inc;
          outsum[7] += in[7]*mul;
          mul -= inc;
        }
      }
      //      fall_cur = mul;
if(!--x->x_remaining_ticks[j])
      {
        endofticks = 1;
      }
    }
    else
    {
      in = io[j];
      if(in2out_new[j])
      {
        outsum = x->x_outsumbuf + n*(in2out_new[j] - 1);
        for(i=n; i; i -= 8, outsum += 8, in += 8)/* each in */
        {
          outsum[0] += in[0];
          outsum[1] += in[1];
          outsum[2] += in[2];
          outsum[3] += in[3];
          outsum[4] += in[4];
          outsum[5] += in[5];
          outsum[6] += in[6];
          outsum[7] += in[7];
        }
      }
    }
  }
if(x->x_remaining_ticks[j])
  {
    x->x_raise_cur += x->x_biginc;
    x->x_fall_cur -= x->x_biginc;
  }
if(endofticks)
  {
    x->x_fall_cur = x->x_fall_end;
    x->x_raise_cur = x->x_raise_end;
  }
outsum = x->x_outsumbuf;
  for(j=0; j<n_out; j++)/* copy out-buffer to out */
  {
    out = io[n_in+j];
    for (i=n; i; i -= 8, out += 8, outsum += 8)
    {
      out[0] = outsum[0];
      out[1] = outsum[1];
      out[2] = outsum[2];
      out[3] = outsum[3];
      out[4] = outsum[4];
      out[5] = outsum[5];
      out[6] = outsum[6];
      out[7] = outsum[7];
    }
  }
  return (w+3);
}
static void matrix_bundle_line_tilde_dsp(t_matrix_bundle_line_tilde *x, t_signal **sp)
{
  int i, n=sp[0]->s_n*x->x_n_out;
if(!x->x_outsumbuf)
  {
    x->x_outsumbufsize = n;
    x->x_outsumbuf = (t_float *)getbytes(x->x_outsumbufsize * sizeof(t_float));
  }
  else if(x->x_outsumbufsize != n)
  {
    x->x_outsumbuf = (t_float *)resizebytes(x->x_outsumbuf, x->x_outsumbufsize*sizeof(t_float), n*sizeof(t_float));
    x->x_outsumbufsize = n;
  }
n = x->x_n_in + x->x_n_out;
  for(i=0; i<n; i++)
    x->x_io[i] = sp[i]->s_vec;
n = sp[0]->s_n;
  x->x_ms2tick = 0.001f * (float)(sp[0]->s_sr) / (float)n;
  x->x_1overn = 1.0f / (float)n;
x->x_remaining_ticks_start = (int)(x->x_time_ms * x->x_ms2tick);
  if(!x->x_remaining_ticks_start)
    x->x_remaining_ticks_start = 1;
if(n&7)
  {
    dsp_add(matrix_bundle_line_tilde_perform_zero, 2, x, n);
    post("ERROR!!! matrix_bundle_line_tilde~ : blocksize is %d and not a multiple of 8", n);
  }
  else
    dsp_add(matrix_bundle_line_tilde_perf8, 2, x, n);
}
/* setup/setdown things */
static void matrix_bundle_line_tilde_free(t_matrix_bundle_line_tilde *x)
{
  freebytes(x->x_in2out_new, x->x_n_in * sizeof(int));
  freebytes(x->x_in2out_old, x->x_n_in * sizeof(int));
  freebytes(x->x_remaining_ticks, x->x_n_in * sizeof(int));
  freebytes(x->x_retarget, x->x_n_in * sizeof(int));
  freebytes(x->x_io, (x->x_n_in + x->x_n_out) * sizeof(t_float *));
  if(x->x_outsumbuf)
    freebytes(x->x_outsumbuf, x->x_outsumbufsize * sizeof(t_float));
}
static void *matrix_bundle_line_tilde_new(t_symbol *s, int argc, t_atom *argv)
{
  t_matrix_bundle_line_tilde *x = (t_matrix_bundle_line_tilde *)pd_new(matrix_bundle_line_tilde_class);
  int i, n;
switch (argc)
  {
  case 0:
    x->x_n_in = x->x_n_out = 1;
    x->x_time_ms = 50.0f;
    break;
  case 1:
    x->x_n_in = x->x_n_out = (int)atom_getint(argv);
    x->x_time_ms = 50.0f;
    break;
  case 2:
    x->x_n_in = (int)atom_getint(argv);
    x->x_n_out = (int)atom_getint(argv+1);
    x->x_time_ms = 50.0f;
    break;
  default:
    x->x_n_in = (int)atom_getint(argv);
    x->x_n_out = (int)atom_getint(argv+1);
    x->x_time_ms = atom_getfloat(argv+2);
    break;
  }
if(x->x_n_in < 1)
    x->x_n_in = 1;
  if(x->x_n_out < 1)
    x->x_n_out = 1;
  if(x->x_time_ms < 0.0f)
    x->x_time_ms = 50.0f;
  i = x->x_n_in - 1;
  while(i--)
    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
  i = x->x_n_out;
  while(i--)
    outlet_new(&x->x_obj, &s_signal);
x->x_in2out_new = (int *)getbytes(x->x_n_in * sizeof(int));
  x->x_in2out_old = (int *)getbytes(x->x_n_in * sizeof(int));
  x->x_remaining_ticks = (int *)getbytes(x->x_n_in * sizeof(int));
  x->x_retarget = (int *)getbytes(x->x_n_in * sizeof(int));
  x->x_io = (t_float **)getbytes((x->x_n_in + x->x_n_out) * sizeof(t_float *));
  x->x_outsumbuf = (t_float *)0;
  x->x_outsumbufsize = 0;
x->x_raise_cur = 1.0f;
  x->x_raise_end = 1.0f;
  x->x_fall_cur = 0.0f;
  x->x_fall_end = 0.0f;
  x->x_inc = 0.0f;
  x->x_biginc = 0.0f;
  x->x_msi = 0;
  x->x_ms2tick = 0.001f * 44100.0f / 64.0f;
  x->x_1overn = 1.0f / 64.0f;
  x->x_remaining_ticks_start = (int)(x->x_time_ms * x->x_ms2tick);
  if(!x->x_remaining_ticks_start)
    x->x_remaining_ticks_start = 1;
n = x->x_n_in;
  for(i=0; i<n; i++)
  {
    x->x_in2out_new[i] = 0;
    x->x_in2out_old[i] = 0;
    x->x_remaining_ticks[i] = 0;
    x->x_retarget[i] = 0;
  }
  return(x);
}
void matrix_bundle_line_tilde_setup(void)
{
  matrix_bundle_line_tilde_class = class_new(gensym("matrix_bundle_line~"), (t_newmethod)matrix_bundle_line_tilde_new, (t_method)matrix_bundle_line_tilde_free,
    sizeof(t_matrix_bundle_line_tilde), 0, A_GIMME, 0);
  CLASS_MAINSIGNALIN(matrix_bundle_line_tilde_class, t_matrix_bundle_line_tilde, x_msi);
  class_addmethod(matrix_bundle_line_tilde_class, (t_method)matrix_bundle_line_tilde_dsp, gensym("dsp"), 0);
  class_addlist(matrix_bundle_line_tilde_class, (t_method)matrix_bundle_line_tilde_list);
  class_addmethod(matrix_bundle_line_tilde_class, (t_method)matrix_bundle_line_tilde_element, gensym("element"), A_GIMME, 0);
  class_addmethod(matrix_bundle_line_tilde_class, (t_method)matrix_bundle_line_tilde_bundle, gensym("bundle"), A_GIMME, 0);
  class_addmethod(matrix_bundle_line_tilde_class, (t_method)matrix_bundle_line_tilde_stop, gensym("stop"), 0);
  class_addmethod(matrix_bundle_line_tilde_class, (t_method)matrix_bundle_line_tilde_time, gensym("time"), A_FLOAT, 0);
  class_sethelpsymbol(matrix_bundle_line_tilde_class, gensym("iemhelp/matrix_bundle_line~-help"));
}
--- NEW FILE: matrix_diag_mul_stat~.c ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_matrix written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
/* ---------- matrix_diag_mul_stat~ - signal matrix multiplication object with message matrix-coeff. ----------- */
typedef struct matrix_diag_mul_stat_tilde
{
  t_object  x_obj;
  t_float   *x_matbuf;
  t_float   **x_io;
  t_float   *x_buf;
  int       x_bufsize;
  int       x_n_io;
  t_float   x_msi;
} t_matrix_diag_mul_stat_tilde;
t_class *matrix_diag_mul_stat_tilde_class;
static void matrix_diag_mul_stat_tilde_list(t_matrix_diag_mul_stat_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int i, n=x->x_n_io;
  t_float *matrix = x->x_matbuf;
if(argc < n)
  {
    post("matrix_diag_mul_stat~ : dimensions do not match !!");
    return;
  }
for(i=0; i<n; i++)
  {
    *matrix++ = atom_getfloat(argv);
    argv++;
  }
}
static void matrix_diag_mul_stat_tilde_diag(t_matrix_diag_mul_stat_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  matrix_diag_mul_stat_tilde_list(x, &s_list, argc, argv);
}
static void matrix_diag_mul_stat_tilde_element(t_matrix_diag_mul_stat_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int i, j, n=x->x_n_io;
  t_float *matrix = x->x_matbuf;
if(argc == 2)
  {
    i = (int)(atom_getint(argv));
    argv++;
    if((i >= 1) && (i <= n))
      matrix[i-1] = atom_getfloat(argv);
  }
  else if(argc == 3)
  {
    i = (int)(atom_getint(argv));
    argv++;
    j = (int)(atom_getint(argv));
    argv++;
    if((i >= 1) && (i <= n) && (i == j))
      matrix[i-1] = atom_getfloat(argv);
  }
}
/* the dsp thing */
static t_int *matrix_diag_mul_stat_tilde_perform(t_int *w)
{
  t_matrix_diag_mul_stat_tilde *x = (t_matrix_diag_mul_stat_tilde *)(w[1]);
  int n = (int)(w[2]);
  t_float **io = x->x_io;
  t_float *buf = x->x_buf;
  t_float *mat = x->x_matbuf;
  int n_io = x->x_n_io;
  int hn_io = n_io / 2;
  int dn_io = 2 * n_io;
  t_float *in, *out1, *out2, mul;
  int i, j;
for(j=0; j<n_io; j++)
  {
    mul = mat[j];
    in = io[j];
    for(i=0; i<n; i++)
    {
      in[i] *= mul;
    }
  }
  for(j=0; j<hn_io; j++)
  {
    in = io[j];
    for(i=0; i<n; i++)
    {
      buf[i] = in[i];
    }
    in = io[n_io-j-1];
    out1 = io[j+n_io];
    out2 = io[dn_io-j-1];
    for(i=0; i<n; i++)
    {
      out1[i] = in[i];
      out2[i] = buf[i];
    }
  }
  return (w+3);
}
static t_int *matrix_diag_mul_stat_tilde_perf8(t_int *w)
{
  t_matrix_diag_mul_stat_tilde *x = (t_matrix_diag_mul_stat_tilde *)(w[1]);
  int n = (int)(w[2]);
  t_float **io = x->x_io;
  t_float *buf;
  t_float *mat = x->x_matbuf;
  int n_io = x->x_n_io;
  int hn_io = n_io / 2;
  int dn_io = 2 * n_io;
  t_float *in, *out1, *out2, mul;
  int i, j;
for(j=0; j<n_io; j++)
  {
    mul = mat[j];
    in = io[j];
    for(i=n; i; i -= 8, in += 8)
    {
      in[0] *= mul;
      in[1] *= mul;
      in[2] *= mul;
      in[3] *= mul;
      in[4] *= mul;
      in[5] *= mul;
      in[6] *= mul;
      in[7] *= mul;
    }
  }
  for(j=0; j<hn_io; j++)
  {
    in = io[j];
    buf = x->x_buf;
    for(i=n; i; i -= 8, buf += 8, in += 8)
    {
      buf[0] = in[0];
      buf[1] = in[1];
      buf[2] = in[2];
      buf[3] = in[3];
      buf[4] = in[4];
      buf[5] = in[5];
      buf[6] = in[6];
      buf[7] = in[7];
    }
    in = io[n_io-j-1];
    out1 = io[j+n_io];
    out2 = io[dn_io-j-1];
    buf = x->x_buf;
    for(i=n; i; i -= 8, buf += 8, in += 8, out1 += 8, out2 += 8)
    {
      out2[0] = in[0];
      out2[1] = in[1];
      out2[2] = in[2];
      out2[3] = in[3];
      out2[4] = in[4];
      out2[5] = in[5];
      out2[6] = in[6];
      out2[7] = in[7];
      out1[0] = buf[0];
      out1[1] = buf[1];
      out1[2] = buf[2];
      out1[3] = buf[3];
      out1[4] = buf[4];
      out1[5] = buf[5];
      out1[6] = buf[6];
      out1[7] = buf[7];
    }
  }
  return (w+3);
}
static void matrix_diag_mul_stat_tilde_dsp(t_matrix_diag_mul_stat_tilde *x, t_signal **sp)
{
  int i, n=sp[0]->s_n;
if(!x->x_buf)
  {
    x->x_bufsize = n;
    x->x_buf = (t_float *)getbytes(x->x_bufsize * sizeof(t_float));
  }
  else if(x->x_bufsize != n)
  {
    x->x_buf = (t_float *)resizebytes(x->x_buf, x->x_bufsize*sizeof(t_float), n*sizeof(t_float));
    x->x_bufsize = n;
  }
n = 2 * x->x_n_io;
  for(i=0; i<n; i++)
  {
    x->x_io[i] = sp[i]->s_vec;
    //    post("iovec_addr = %d", (unsigned int)x->x_io[i]);
  }
n = sp[0]->s_n;
  if(n&7)
    dsp_add(matrix_diag_mul_stat_tilde_perform, 2, x, n);
  else
    dsp_add(matrix_diag_mul_stat_tilde_perf8, 2, x, n);
}
/* setup/setdown things */
static void matrix_diag_mul_stat_tilde_free(t_matrix_diag_mul_stat_tilde *x)
{
  freebytes(x->x_matbuf, x->x_n_io * sizeof(t_float));
  freebytes(x->x_io, 2 * x->x_n_io * sizeof(t_float *));
  if(x->x_buf)
    freebytes(x->x_buf, x->x_bufsize * sizeof(t_float));
}
static void *matrix_diag_mul_stat_tilde_new(t_symbol *s, int argc, t_atom *argv)
{
  t_matrix_diag_mul_stat_tilde *x = (t_matrix_diag_mul_stat_tilde *)pd_new(matrix_diag_mul_stat_tilde_class);
  int i;
switch (argc)
  {
  case 0:
    x->x_n_io = 1;
    break;
  default:
    x->x_n_io = (int)atom_getint(argv);
    break;
  }
if(x->x_n_io < 1)
    x->x_n_io = 1;
  i = x->x_n_io - 1;
  while(i--)
    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
  i = x->x_n_io;
  while(i--)
    outlet_new(&x->x_obj, &s_signal);
  x->x_msi = 0;
  x->x_buf = (t_float *)0;
  x->x_bufsize = 0;
  x->x_matbuf = (t_float *)getbytes(x->x_n_io * sizeof(t_float));
  i = x->x_n_io;
  while(i--)
    x->x_matbuf[i] = 0.0f;
  x->x_io = (t_float **)getbytes(2 * x->x_n_io * sizeof(t_float *));
  return(x);
}
void matrix_diag_mul_stat_tilde_setup(void)
{
  matrix_diag_mul_stat_tilde_class = class_new(gensym("matrix_diag_mul_stat~"), (t_newmethod)matrix_diag_mul_stat_tilde_new, (t_method)matrix_diag_mul_stat_tilde_free,
    sizeof(t_matrix_diag_mul_stat_tilde), 0, A_GIMME, 0);
  CLASS_MAINSIGNALIN(matrix_diag_mul_stat_tilde_class, t_matrix_diag_mul_stat_tilde, x_msi);
  class_addmethod(matrix_diag_mul_stat_tilde_class, (t_method)matrix_diag_mul_stat_tilde_dsp, gensym("dsp"), 0);
  class_addmethod(matrix_diag_mul_stat_tilde_class, (t_method)matrix_diag_mul_stat_tilde_diag, gensym("diag"), A_GIMME, 0);
  class_addmethod(matrix_diag_mul_stat_tilde_class, (t_method)matrix_diag_mul_stat_tilde_element, gensym("element"), A_GIMME, 0);
  class_addlist(matrix_diag_mul_stat_tilde_class, (t_method)matrix_diag_mul_stat_tilde_list);
  class_sethelpsymbol(matrix_diag_mul_stat_tilde_class, gensym("iemhelp2/matrix_diag_mul_stat~-help"));
}
--- NEW FILE: makefile ---
current: all
.SUFFIXES: .pd_linux
INCLUDE = -I. -I/usr/local/src/pd/src
LDFLAGS = -export-dynamic -shared
LIB = -ldl -lm -lpthread
#select either the DBG and OPT compiler flags below:
CFLAGS = -DPD -DUNIX -W -Werror -Wno-unused \
    -Wno-parentheses -Wno-switch -O6 -funroll-loops -fomit-frame-pointer -fno-strict-aliasing \
        -DDL_OPEN
SYSTEM = $(shell uname -m)
# the sources
SRC = matrix_mul_line~.c \
    matrix_mul_line8~.c \
    matrix_mul_stat~.c \
    matrix_diag_mul_line~.c \
    matrix_diag_mul_line8~.c \
    matrix_diag_mul_stat~.c \
    matrix_bundle_line~.c \
    matrix_bundle_line8~.c \
    matrix_bundle_stat~.c \
    iem_matrix.c
TARGET = iem_matrix.pd_linux
OBJ = $(SRC:.c=.o)
#
#  ------------------ targets ------------------------------------
#
clean:
    rm ..$(TARGET)
    rm *.o
all: $(OBJ)
    @echo :: $(OBJ)
    $(LD) $(LDFLAGS) -o $(TARGET) *.o $(LIB)
    strip --strip-unneeded $(TARGET)
    mv $(TARGET) ..
$(OBJ) : %.o : %.c
    $(CC) $(CFLAGS) $(INCLUDE) -c -o $*.o $*.c
--- NEW FILE: matrix_orthogonal.c ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_matrix written by Thomas Musil (c) IEM KUG Graz Austria 2002 - 2006 */
/* -------------------------- matrix_orthogonal ------------------------------ */
/*
versucht, eine eingehende matrix (quadratisch) zu orthogonalisiern (Transponierte = Inverse)
und zwar wie folgt:
1. zeile orthonarmalisieren (summe aller zeilen-elemente-quadrate = 1)
    K = summe aller a_1i (1 <= i <= N)
    fuer alle an_1i = a_1i / sqrt(K) (1 <= i <= N)
2. zeile: 
      K = summe aller a_2i (2 <= i <= N) - an_12
      an_21 = an_12
      fuer alle an_2i = a_2i / sqrt(K) (2 <= i <= N)
3. zeile: 
        K = summe aller a_3i (3 <= i <= N) - an_13 - an_23
        an_31 = an_13
        an_32 = an_23
        fuer alle an_3i = a_3i / sqrt(K) (3 <= i <= N)
usw.
*/
typedef struct _matrix_orthogonal
{
  t_object  x_obj;
  int       x_dim;
  double    *x_work;
  t_atom    *x_at;
} t_matrix_orthogonal;
static t_class *matrix_orthogonal_class;
static void matrix_orthogonal_matrix(t_matrix_orthogonal *x, t_symbol *s, int argc, t_atom *argv)
{
  int oldsize = x->x_dim;
  int dim;
  int i, j;
  int r, c;
  double sum1, sum2, el, *v, *u;
  t_atom *at=x->x_at;
if(argc > 2)
  {
    r = (int)(atom_getint(argv++));
    c = (int)(atom_getint(argv++));
    if(r == c)
    {
      dim = r;
      if(dim < 1)
        dim = 1;
      if(dim > oldsize)
      {
        if(oldsize)
        {
          x->x_work = (double *)resizebytes(x->x_work, oldsize * oldsize * sizeof(double), dim * dim * sizeof(double));
          x->x_at = (t_atom *)resizebytes(x->x_at, (oldsize * oldsize + 2) * sizeof(t_atom), (dim * dim + 2) * sizeof(t_atom));
          x->x_dim = dim;
        }
        else
        {
          x->x_work = (double *)getbytes(dim * dim * sizeof(double));
          x->x_at = (t_atom *)getbytes((dim * dim + 2) * sizeof(t_atom));
          x->x_dim = dim;
        }
      }
      v = x->x_work;
      for(i=0; i<dim; i++) /* init */
      {
        for(j=0; j<dim; j++)
        {
          *v++ = (double)(atom_getfloat(argv++));
        }
      }
      for(i=0; i<dim; i++) /* jede zeile */
      {
        sum1 = 0.0;
        v = x->x_work + i*dim + i;
        for(j=i; j<dim; j++) /* rest der zeile ab hauptdiagonale quadratisch summieren */
        {
          el = *v++;
          sum1 += el * el;
        }
        v = x->x_work + i;
        u = x->x_work + i*dim;
        sum2 = 1.0;
        for(j=0; j<i; j++)
        {
          el = *v;
          v += dim;
          *u++ = el;
          sum2 -= el * el;
        }
        if(sum1 == 0.0)
          sum1 = 1.0;
        if(sum2 <= 0.0)
          el = 0.0;
        else
          el = sqrt(sum2 / sum1);
        for(j=i; j<dim; j++)
        {
          *u *= el;
          u++;
        }
      }
      at = x->x_at;
      SETFLOAT(at, (t_float)dim);
      at++;
      SETFLOAT(at, (t_float)dim);
      at++;
      v = x->x_work;
      for(i=0; i<dim; i++)
      {
        for(j=0; j<dim; j++)
        {
          SETFLOAT(at, (t_float)(*v));
          at++;
          v++;
        }
      }
      outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), dim*dim+2, x->x_at);
    }
  }
}
static void matrix_orthogonal_free(t_matrix_orthogonal *x)
{
  if(x->x_dim)
  {
    freebytes(x->x_work, x->x_dim * x->x_dim * sizeof(double));
    freebytes(x->x_at, (x->x_dim * x->x_dim + 2) * sizeof(t_atom));
  }
}
static void *matrix_orthogonal_new(void)
{
  t_matrix_orthogonal *x = (t_matrix_orthogonal *)pd_new(matrix_orthogonal_class);
x->x_dim = 0;
  x->x_work = (double *)0;
  x->x_at = (t_atom *)0;
  outlet_new(&x->x_obj, &s_list);
  return (x);
}
static void matrix_orthogonal_setup(void)
{
  matrix_orthogonal_class = class_new(gensym("matrix_orthogonal"), (t_newmethod)matrix_orthogonal_new, (t_method)matrix_orthogonal_free,
    sizeof(t_matrix_orthogonal), 0, 0);
  class_addmethod(matrix_orthogonal_class, (t_method)matrix_orthogonal_matrix, gensym("matrix"), A_GIMME, 0);
  class_sethelpsymbol(matrix_orthogonal_class, gensym("iemhelp/matrix_orthogonal-help"));
}
--- NEW FILE: matrix_diag_mul_line8~.c ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_matrix written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
/* ---------- matrix_diag_mul_line8~ - signal matrix multiplication object with message matrix-coeff. ----------- */
typedef struct matrix_diag_mul_line8_tilde
{
  t_object  x_obj;
  t_float   *x_matcur;
  t_float   *x_matend;
  t_float   *x_inc8;
  t_float   *x_biginc;
  t_float   **x_io;
  t_float   *x_buf;
  int       x_bufsize;
  int       x_n_io;
  t_float   x_msi;
  int       x_retarget;
  t_float   x_time_ms;
  int       x_remaining_ticks;
  t_float   x_ms2tick;
  t_float   x_8overn;
} t_matrix_diag_mul_line8_tilde;
t_class *matrix_diag_mul_line8_tilde_class;
static void matrix_diag_mul_line8_tilde_time(t_matrix_diag_mul_line8_tilde *x, t_floatarg time_ms)
{
  if(time_ms <= 0.0f)
    time_ms = 0.0f;
  x->x_time_ms = time_ms;
}
static void matrix_diag_mul_line8_tilde_element(t_matrix_diag_mul_line8_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int i, j, n=x->x_n_io;
  t_float *matcur = x->x_matcur;
  t_float *matend = x->x_matend;
if(x->x_time_ms <= 0.0f)
  {
    if(argc == 2)
    {
      i = (int)(atom_getint(argv));
      argv++;
      if((i >= 1) && (i <= n))
        matend[i-1] = matcur[i-1] = atom_getfloat(argv);
    }
    else if(argc == 3)
    {
      i = (int)(atom_getint(argv));
      argv++;
      j = (int)(atom_getint(argv));
      argv++;
      if((i >= 1) && (i <= n) && (i == j))
        matend[i-1] = matcur[i-1] = atom_getfloat(argv);
    }
    x->x_remaining_ticks = x->x_retarget = 0;
  }
  else
  {
    if(argc == 2)
    {
      i = (int)(atom_getint(argv));
      argv++;
      if((i >= 1) && (i <= n))
        matend[i-1] = atom_getfloat(argv);
    }
    else if(argc == 3)
    {
      i = (int)(atom_getint(argv));
      argv++;
      j = (int)(atom_getint(argv));
      argv++;
      if((i >= 1) && (i <= n) && (i == j))
        matend[i-1] = atom_getfloat(argv);
    }
    x->x_retarget = 1;
  }
}
static void matrix_diag_mul_line8_tilde_list(t_matrix_diag_mul_line8_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int i, n=x->x_n_io;
  t_float *matcur = x->x_matcur;
  t_float *matend = x->x_matend;
if(argc < n)
  {
    post("matrix_diag_mul_line8~ : dimensions do not match !!");
    return;
  }
if(x->x_time_ms <= 0.0f)
  {
    for(i=0; i<n; i++)
    {
      *matend++ = *matcur++ = atom_getfloat(argv);
      argv++;
    }
    x->x_remaining_ticks = x->x_retarget = 0;
  }
  else
  {
    for(i=0; i<n; i++)
    {
      *matend++ = atom_getfloat(argv);
      argv++;
    }
    x->x_retarget = 1;
  }
}
static void matrix_diag_mul_line8_tilde_diag(t_matrix_diag_mul_line8_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  matrix_diag_mul_line8_tilde_list(x, &s_list, argc, argv);
}
static void matrix_diag_mul_line8_tilde_stop(t_matrix_diag_mul_line8_tilde *x)
{
  int i = x->x_n_io;
  t_float *matend=x->x_matend;
  t_float *matcur=x->x_matcur;
while(i--)
  {
    *matend++ = *matcur++;
  }
  x->x_remaining_ticks = x->x_retarget = 0;
}
/* the dsp thing */
static t_int *matrix_diag_mul_line8_tilde_perform_zero(t_int *w)
{
  t_matrix_diag_mul_line8_tilde *x = (t_matrix_diag_mul_line8_tilde *)(w[1]);
  int n = (int)(w[2]);
  t_float **io = x->x_io;
  int n_io = x->x_n_io;
  t_float *out;
  int i, j;
for(j=0; j<n_io; j++)/* output-vector-row */
  {
    out = io[n_io+j];
    for(i=0; i<n; i++)
      *out++ = 0.0f;
  }
  return (w+3);
}
static t_int *matrix_diag_mul_line8_tilde_perf8(t_int *w)
{
  t_matrix_diag_mul_line8_tilde *x = (t_matrix_diag_mul_line8_tilde *)(w[1]);
  int n = (int)(w[2]);
  t_float **io = x->x_io;
  t_float *buf;
  t_float *matcur, *matend;
  t_float *inc8, *biginc, inc;
  int n_io = x->x_n_io;
  int hn_io = n_io / 2;
  int dn_io = 2 * n_io;
  t_float *in, *out1, *out2, mul;
  int i, j;
if(x->x_retarget)
  {
    int nticks = (int)(x->x_time_ms * x->x_ms2tick);
if(!nticks)
      nticks = 1;
    x->x_remaining_ticks = nticks;
    j = n_io;
    inc8 = x->x_inc8;
    matcur = x->x_matcur;
    matend = x->x_matend;
    mul = x->x_8overn / (t_float)nticks;
    while(j--)
    {
      *inc8++ = (*matend++ - *matcur++) * mul;
    }
    j = n_io;
    biginc = x->x_biginc;
    matcur = x->x_matcur;
    matend = x->x_matend;
    mul = 1.0f / (t_float)nticks;
    while(j--)
    {
      *biginc++ = (*matend++ - *matcur++) * mul;
    }
    x->x_retarget = 0;
  }
if(x->x_remaining_ticks)
  {
    inc8 = x->x_inc8;
    biginc = x->x_biginc;
    matcur = x->x_matcur;
    for(j=0; j<n_io; j++)
    {
      inc = inc8[j];
      mul = matcur[j];
      in = io[j];
      for(i=n; i; i -= 8, in += 8)
      {
        in[0] *= mul;
        in[1] *= mul;
        in[2] *= mul;
        in[3] *= mul;
        in[4] *= mul;
        in[5] *= mul;
        in[6] *= mul;
        in[7] *= mul;
        mul += inc;
      }
      matcur[j] += biginc[j];
    }
    if(!--x->x_remaining_ticks)
    {
      matcur = x->x_matcur;
      matend = x->x_matend;
      i = n_io;
      while(i--)
        *matcur++ = *matend++;
    }
  }
  else
  {
    matend = x->x_matend;
    for(j=0; j<n_io; j++)
    {
      mul = matend[j];
      in = io[j];
      for(i=n; i; i -= 8, in += 8)
      {
        in[0] *= mul;
        in[1] *= mul;
        in[2] *= mul;
        in[3] *= mul;
        in[4] *= mul;
        in[5] *= mul;
        in[6] *= mul;
        in[7] *= mul;
      }
    }
  }
for(j=0; j<hn_io; j++)
  {
    in = io[j];
    buf = x->x_buf;
    for(i=n; i; i -= 8, buf += 8, in += 8)
    {
      buf[0] = in[0];
      buf[1] = in[1];
      buf[2] = in[2];
      buf[3] = in[3];
      buf[4] = in[4];
      buf[5] = in[5];
      buf[6] = in[6];
      buf[7] = in[7];
    }
    in = io[n_io-j-1];
    out1 = io[j+n_io];
    out2 = io[dn_io-j-1];
    buf = x->x_buf;
    for(i=n; i; i -= 8, buf += 8, in += 8, out1 += 8, out2 += 8)
    {
      out2[0] = in[0];
      out2[1] = in[1];
      out2[2] = in[2];
      out2[3] = in[3];
      out2[4] = in[4];
      out2[5] = in[5];
      out2[6] = in[6];
      out2[7] = in[7];
      out1[0] = buf[0];
      out1[1] = buf[1];
      out1[2] = buf[2];
      out1[3] = buf[3];
      out1[4] = buf[4];
      out1[5] = buf[5];
      out1[6] = buf[6];
      out1[7] = buf[7];
    }
  }
  return (w+3);
}
static void matrix_diag_mul_line8_tilde_dsp(t_matrix_diag_mul_line8_tilde *x, t_signal **sp)
{
  int i, n=sp[0]->s_n;
if(!x->x_buf)
  {
    x->x_bufsize = n;
    x->x_buf = (t_float *)getbytes(x->x_bufsize * sizeof(t_float));
  }
  else if(x->x_bufsize != n)
  {
    x->x_buf = (t_float *)resizebytes(x->x_buf, x->x_bufsize*sizeof(t_float), n*sizeof(t_float));
    x->x_bufsize = n;
  }
n = 2 * x->x_n_io;
  for(i=0; i<n; i++)
  {
    x->x_io[i] = sp[i]->s_vec;
    //    post("iovec_addr = %d", (unsigned int)x->x_io[i]);
  }
n = sp[0]->s_n;
  x->x_ms2tick = 0.001f * (t_float)(sp[0]->s_sr) / (t_float)n;
  x->x_8overn = 8.0f / (t_float)n;
if(n&7)
    dsp_add(matrix_diag_mul_line8_tilde_perform_zero, 2, x, n);
  else
    dsp_add(matrix_diag_mul_line8_tilde_perf8, 2, x, n);
}
/* setup/setdown things */
static void matrix_diag_mul_line8_tilde_free(t_matrix_diag_mul_line8_tilde *x)
{
  freebytes(x->x_matcur, x->x_n_io * sizeof(t_float));
  freebytes(x->x_matend, x->x_n_io * sizeof(t_float));
  freebytes(x->x_inc8, x->x_n_io * sizeof(t_float));
  freebytes(x->x_biginc, x->x_n_io * sizeof(t_float));
  freebytes(x->x_io, 2 * x->x_n_io * sizeof(t_float *));
  if(x->x_buf)
    freebytes(x->x_buf, x->x_bufsize * sizeof(t_float));
}
static void *matrix_diag_mul_line8_tilde_new(t_symbol *s, int argc, t_atom *argv)
{
  t_matrix_diag_mul_line8_tilde *x = (t_matrix_diag_mul_line8_tilde *)pd_new(matrix_diag_mul_line8_tilde_class);
  int i, n;
switch (argc)
  {
  case 0:
    x->x_n_io = 1;
    x->x_time_ms = 50.0f;
    break;
  case 1:
    x->x_n_io = (int)atom_getint(argv);
    x->x_time_ms = 50.0f;
    break;
  default:
    x->x_n_io = (int)atom_getint(argv);
    x->x_time_ms = atom_getfloat(argv+1);
    break;
  }
if(x->x_time_ms < 0.0f)
    x->x_time_ms = 50.0f;
  if(x->x_n_io < 1)
    x->x_n_io = 1;
  i = x->x_n_io - 1;
  while(i--)
    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
  i = x->x_n_io;
  while(i--)
    outlet_new(&x->x_obj, &s_signal);
  x->x_msi = 0;
  x->x_buf = (t_float *)0;
  x->x_bufsize = 0;
  x->x_matcur = (t_float *)getbytes(x->x_n_io * sizeof(t_float));
  x->x_matend = (t_float *)getbytes(x->x_n_io * sizeof(t_float));
  x->x_inc8 = (t_float *)getbytes(x->x_n_io * sizeof(t_float));
  x->x_biginc = (t_float *)getbytes(x->x_n_io * sizeof(t_float));
  x->x_io = (t_float **)getbytes(2 * x->x_n_io * sizeof(t_float *));
  x->x_ms2tick = 0.001f * 44100.0f / 64.0f;
  x->x_8overn = 8.0f / 64.0f;
  x->x_remaining_ticks = 0;
  x->x_retarget = 0;
n = x->x_n_io;
  for(i=0; i<n; i++)
  {
    x->x_matcur[i] = 0.0f;
    x->x_matend[i] = 0.0f;
    x->x_inc8[i] = 0.0f;
    x->x_biginc[i] = 0.0f;
  }
  return(x);
}
void matrix_diag_mul_line8_tilde_setup(void)
{
  matrix_diag_mul_line8_tilde_class = class_new(gensym("matrix_diag_mul_line8~"), (t_newmethod)matrix_diag_mul_line8_tilde_new, (t_method)matrix_diag_mul_line8_tilde_free,
    sizeof(t_matrix_diag_mul_line8_tilde), 0, A_GIMME, 0);
  CLASS_MAINSIGNALIN(matrix_diag_mul_line8_tilde_class, t_matrix_diag_mul_line8_tilde, x_msi);
  class_addmethod(matrix_diag_mul_line8_tilde_class, (t_method)matrix_diag_mul_line8_tilde_dsp, gensym("dsp"), 0);
  class_addlist(matrix_diag_mul_line8_tilde_class, (t_method)matrix_diag_mul_line8_tilde_list);
  class_addmethod(matrix_diag_mul_line8_tilde_class, (t_method)matrix_diag_mul_line8_tilde_diag, gensym("diag"), A_GIMME, 0);
  class_addmethod(matrix_diag_mul_line8_tilde_class, (t_method)matrix_diag_mul_line8_tilde_element, gensym("element"), A_GIMME, 0);
  class_addmethod(matrix_diag_mul_line8_tilde_class, (t_method)matrix_diag_mul_line8_tilde_stop, gensym("stop"), 0);
  class_addmethod(matrix_diag_mul_line8_tilde_class, (t_method)matrix_diag_mul_line8_tilde_time, gensym("time"), A_FLOAT, 0);
  class_sethelpsymbol(matrix_diag_mul_line8_tilde_class, gensym("iemhelp2/matrix_diag_mul_line8~-help"));
}
--- NEW FILE: matrix_bundle_line8~.c ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_matrix written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
/* ---------- matrix_bundle_line8~ - signal matrix multiplication object with message matrix-coeff. ----------- */
typedef struct matrix_bundle_line8_tilde
{
  t_object  x_obj;
  int       *x_in2out_new;
  int       *x_in2out_old;
  int       *x_remaining_ticks;
  int       *x_retarget;
  t_float   **x_io;
  t_float   *x_outsumbuf;
  int       x_outsumbufsize;
  int       x_n_in; /* columns */
  int       x_n_out;   /* rows  */
  t_float   x_inc8;
  t_float   x_biginc;
  t_float   x_raise_cur;
  t_float   x_raise_end;
  t_float   x_fall_cur;
  t_float   x_fall_end;
  t_float   x_msi;
  int       x_remaining_ticks_start;
  t_float   x_time_ms;
  t_float   x_ms2tick;
  t_float   x_8overn;
} t_matrix_bundle_line8_tilde;
t_class *matrix_bundle_line8_tilde_class;
static void matrix_bundle_line8_tilde_time(t_matrix_bundle_line8_tilde *x, t_floatarg time_ms)
{
  if(time_ms <= 0.0f)
    time_ms = 0.0f;
  x->x_time_ms = time_ms;
x->x_remaining_ticks_start = (int)(x->x_time_ms * x->x_ms2tick);
  if(!x->x_remaining_ticks_start)
    x->x_remaining_ticks_start = 1;
}
static void matrix_bundle_line8_tilde_element(t_matrix_bundle_line8_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int inindex, outindex;
if(argc < 2)
  {
    post("matrix_bundle_line8~ : bad list: <int> output_row_index <int> input_col_index !");
    return;
  }
if(x->x_time_ms <= 0.0f)
  {
    outindex = (int)atom_getint(argv);
    argv++;
    inindex = (int)atom_getint(argv) - 1;
if(inindex >= x->x_n_in)
      inindex = x->x_n_in - 1;
    if(inindex < 0)
      inindex = 0;
    if(outindex >= x->x_n_out)
      outindex = x->x_n_out;
    if(outindex < 0)
      outindex = 0;
x->x_in2out_old[inindex] = x->x_in2out_new[inindex] = outindex;/*retarget = 0*/
    x->x_remaining_ticks[inindex] = x->x_retarget[inindex] = 0;
    x->x_fall_end = x->x_fall_cur = 0.0f;
    x->x_raise_end = x->x_raise_cur = 1.0f;
  }
  else
  {
    x->x_inc8 = x->x_8overn / (float)x->x_remaining_ticks_start;
    x->x_biginc = 1.0f / (float)x->x_remaining_ticks_start;
x->x_fall_end = 0.0f;
    x->x_fall_cur = 1.0f;
    x->x_raise_end = 1.0f;
    x->x_raise_cur = 0.0f;
outindex = (int)atom_getint(argv);
    argv++;
    inindex = (int)atom_getint(argv) - 1;
if(inindex >= x->x_n_in)
      inindex = x->x_n_in - 1;
    if(inindex < 0)
      inindex = 0;
    if(outindex >= x->x_n_out)
      outindex = x->x_n_out;
    if(outindex < 0)
      outindex = 0;
x->x_in2out_new[inindex] = outindex;
    if(x->x_in2out_new[inindex] == x->x_in2out_old[inindex])
      x->x_retarget[inindex] = 0;
    else
      x->x_retarget[inindex] = 1;
  }
}
static void matrix_bundle_line8_tilde_list(t_matrix_bundle_line8_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int outindex, i, n=x->x_n_in;
if(argc < n)
  {
    post("matrix_bundle_line8~ : bad list: (number_of_input_cols = %d) * <int> output_row_index !", n);
    return;
  }
if(x->x_time_ms <= 0.0f)
  {
    for(i=0; i<n; i++)
    {
      outindex = (int)atom_getint(argv);
      argv++;
      if(outindex >= x->x_n_out)
        outindex = x->x_n_out;
      if(outindex < 0)
        outindex = 0;
      x->x_in2out_old[i] = x->x_in2out_new[i] = outindex;/*retarget = 0*/
      x->x_remaining_ticks[i] = x->x_retarget[i] = 0;
    }
    x->x_fall_end = x->x_fall_cur = 0.0f;
    x->x_raise_end = x->x_raise_cur = 1.0f;
  }
  else
  {
    x->x_inc8 = x->x_8overn / (float)x->x_remaining_ticks_start;
    x->x_biginc = 1.0f / (float)x->x_remaining_ticks_start;
x->x_fall_end = 0.0f;
    x->x_fall_cur = 1.0f;
    x->x_raise_end = 1.0f;
    x->x_raise_cur = 0.0f;
for(i=0; i<argc; i++)
    {
      x->x_in2out_old[i] = x->x_in2out_new[i];
outindex = (int)atom_getint(argv);
      argv++;
      if(outindex >= x->x_n_out)
        outindex = x->x_n_out;
      if(outindex < 0)
        outindex = 0;
      x->x_in2out_new[i] = outindex;
      if(x->x_in2out_new[i] == x->x_in2out_old[i])
        x->x_retarget[i] = 0;
      else
        x->x_retarget[i] = 1;
    }
  }
}
static void matrix_bundle_line8_tilde_bundle(t_matrix_bundle_line8_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  matrix_bundle_line8_tilde_list(x, &s_list, argc, argv);
}
static void matrix_bundle_line8_tilde_stop(t_matrix_bundle_line8_tilde *x)
{
  int i, n=x->x_n_in;
x->x_fall_end = x->x_fall_cur;
  x->x_raise_end = x->x_raise_cur;
  for(i=0; i<n; i++)
  {
    x->x_in2out_new[i] = x->x_in2out_old[i];
    x->x_remaining_ticks[i] = x->x_retarget[i] = 0;
  }
}
/* the dsp thing */
static t_int *matrix_bundle_line8_tilde_perform_zero(t_int *w)
{
  t_matrix_bundle_line8_tilde *x = (t_matrix_bundle_line8_tilde *)(w[1]);
  int n = (int)(w[2]);
  t_float **io = x->x_io;
  int n_in = x->x_n_in;
  int n_out = x->x_n_out;
  t_float *out;
  int j, i;
for(j=0; j<n_out; j++)/* output-vector-row */
  {
    out = io[n_in+j];
    for(i=0; i<n; i++)
      *out++ = 0.0f;
  }
  return (w+3);
}
static t_int *matrix_bundle_line8_tilde_perf8(t_int *w)
{
  t_matrix_bundle_line8_tilde *x = (t_matrix_bundle_line8_tilde *)(w[1]);
  int n = (int)(w[2]);
  t_float **io = x->x_io;
  t_float *outsum;
  int *in2out_new = x->x_in2out_new;
  int *in2out_old = x->x_in2out_old;
  int n_in = x->x_n_in;   /* columns */
  int n_out = x->x_n_out; /* rows */
  t_float *in, *out, mul;
  t_float inc8 = x->x_inc8;
  int i, j, endofticks=0;
for(i=0; i<n_in; i++)
  {
    if(x->x_retarget[i])
    {
      x->x_remaining_ticks[i] = x->x_remaining_ticks_start;
      x->x_retarget[i] = 0;
    }
  }
for(j=0; j<n_out; j++)
  {
    outsum = x->x_outsumbuf + j*n;
    for(i=n; i; i -= 8, outsum += 8)/* reset out-buffer */
    {
      outsum[0] = 0.0f;
      outsum[1] = 0.0f;
      outsum[2] = 0.0f;
      outsum[3] = 0.0f;
      outsum[4] = 0.0f;
      outsum[5] = 0.0f;
      outsum[6] = 0.0f;
      outsum[7] = 0.0f;
    }
  }
for(j=0; j<n_in; j++)
  {
    if(x->x_remaining_ticks[j])
    {
      in = io[j];
      if(in2out_new[j])
      {
        outsum = x->x_outsumbuf + n*(in2out_new[j] - 1);
        mul = x->x_raise_cur;
        for(i=n; i; i -= 8, outsum += 8, in += 8)/* each new in */
        {
          outsum[0] += in[0]*mul;
          outsum[1] += in[1]*mul;
          outsum[2] += in[2]*mul;
          outsum[3] += in[3]*mul;
          outsum[4] += in[4]*mul;
          outsum[5] += in[5]*mul;
          outsum[6] += in[6]*mul;
          outsum[7] += in[7]*mul;
          mul += inc8;
        }
      }
      //      raise_cur = mul;
in = io[j];
      if(in2out_old[j])
      {
        outsum = x->x_outsumbuf + n*(in2out_old[j] - 1);
        mul = x->x_fall_cur;
        for(i=n; i; i -= 8, outsum += 8, in += 8)/* each old in */
        {
          outsum[0] += in[0]*mul;
          outsum[1] += in[1]*mul;
          outsum[2] += in[2]*mul;
          outsum[3] += in[3]*mul;
          outsum[4] += in[4]*mul;
          outsum[5] += in[5]*mul;
          outsum[6] += in[6]*mul;
          outsum[7] += in[7]*mul;
          mul -= inc8;
        }
      }
      //      fall_cur = mul;
if(!--x->x_remaining_ticks[j])
      {
        endofticks = 1;
      }
    }
    else
    {
      in = io[j];
      if(in2out_new[j])
      {
        outsum = x->x_outsumbuf + n*(in2out_new[j] - 1);
        for(i=n; i; i -= 8, outsum += 8, in += 8)/* each in */
        {
          outsum[0] += in[0];
          outsum[1] += in[1];
          outsum[2] += in[2];
          outsum[3] += in[3];
          outsum[4] += in[4];
          outsum[5] += in[5];
          outsum[6] += in[6];
          outsum[7] += in[7];
        }
      }
    }
  }
if(x->x_remaining_ticks[j])
  {
    x->x_raise_cur += x->x_biginc;
    x->x_fall_cur -= x->x_biginc;
  }
if(endofticks)
  {
    x->x_fall_cur = x->x_fall_end;
    x->x_raise_cur = x->x_raise_end;
  }
outsum = x->x_outsumbuf;
  for(j=0; j<n_out; j++)/* copy out-buffer to out */
  {
    out = io[n_in+j];
    for (i=n; i; i -= 8, out += 8, outsum += 8)
    {
      out[0] = outsum[0];
      out[1] = outsum[1];
      out[2] = outsum[2];
      out[3] = outsum[3];
      out[4] = outsum[4];
      out[5] = outsum[5];
      out[6] = outsum[6];
      out[7] = outsum[7];
    }
  }
  return (w+3);
}
static void matrix_bundle_line8_tilde_dsp(t_matrix_bundle_line8_tilde *x, t_signal **sp)
{
  int i, n=sp[0]->s_n*x->x_n_out;
if(!x->x_outsumbuf)
  {
    x->x_outsumbufsize = n;
    x->x_outsumbuf = (t_float *)getbytes(x->x_outsumbufsize * sizeof(t_float));
  }
  else if(x->x_outsumbufsize != n)
  {
    x->x_outsumbuf = (t_float *)resizebytes(x->x_outsumbuf, x->x_outsumbufsize*sizeof(t_float), n*sizeof(t_float));
    x->x_outsumbufsize = n;
  }
n = x->x_n_in + x->x_n_out;
  for(i=0; i<n; i++)
    x->x_io[i] = sp[i]->s_vec;
n = sp[0]->s_n;
  x->x_ms2tick = 0.001f * (float)(sp[0]->s_sr) / (float)n;
  x->x_8overn = 8.0f / (float)n;
x->x_remaining_ticks_start = (int)(x->x_time_ms * x->x_ms2tick);
  if(!x->x_remaining_ticks_start)
    x->x_remaining_ticks_start = 1;
if(n&7)
  {
    dsp_add(matrix_bundle_line8_tilde_perform_zero, 2, x, n);
    post("ERROR!!! matrix_bundle_line8_tilde~ : blocksize is %d and not a multiple of 8", n);
  }
  else
    dsp_add(matrix_bundle_line8_tilde_perf8, 2, x, n);
}
/* setup/setdown things */
static void matrix_bundle_line8_tilde_free(t_matrix_bundle_line8_tilde *x)
{
  freebytes(x->x_in2out_new, x->x_n_in * sizeof(int));
  freebytes(x->x_in2out_old, x->x_n_in * sizeof(int));
  freebytes(x->x_remaining_ticks, x->x_n_in * sizeof(int));
  freebytes(x->x_retarget, x->x_n_in * sizeof(int));
  freebytes(x->x_io, (x->x_n_in + x->x_n_out) * sizeof(t_float *));
  if(x->x_outsumbuf)
    freebytes(x->x_outsumbuf, x->x_outsumbufsize * sizeof(t_float));
}
static void *matrix_bundle_line8_tilde_new(t_symbol *s, int argc, t_atom *argv)
{
  t_matrix_bundle_line8_tilde *x = (t_matrix_bundle_line8_tilde *)pd_new(matrix_bundle_line8_tilde_class);
  int i, n;
switch (argc)
  {
  case 0:
    x->x_n_in = x->x_n_out = 1;
    x->x_time_ms = 50.0f;
    break;
  case 1:
    x->x_n_in = x->x_n_out = (int)atom_getint(argv);
    x->x_time_ms = 50.0f;
    break;
  case 2:
    x->x_n_in = (int)atom_getint(argv);
    x->x_n_out = (int)atom_getint(argv+1);
    x->x_time_ms = 50.0f;
    break;
  default:
    x->x_n_in = (int)atom_getint(argv);
    x->x_n_out = (int)atom_getint(argv+1);
    x->x_time_ms = atom_getfloat(argv+2);
    break;
  }
if(x->x_n_in < 1)
    x->x_n_in = 1;
  if(x->x_n_out < 1)
    x->x_n_out = 1;
  if(x->x_time_ms < 0.0f)
    x->x_time_ms = 50.0f;
  i = x->x_n_in - 1;
  while(i--)
    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
  i = x->x_n_out;
  while(i--)
    outlet_new(&x->x_obj, &s_signal);
x->x_in2out_new = (int *)getbytes(x->x_n_in * sizeof(int));
  x->x_in2out_old = (int *)getbytes(x->x_n_in * sizeof(int));
  x->x_remaining_ticks = (int *)getbytes(x->x_n_in * sizeof(int));
  x->x_retarget = (int *)getbytes(x->x_n_in * sizeof(int));
  x->x_io = (t_float **)getbytes((x->x_n_in + x->x_n_out) * sizeof(t_float *));
  x->x_outsumbuf = (t_float *)0;
  x->x_outsumbufsize = 0;
x->x_raise_cur = 1.0f;
  x->x_raise_end = 1.0f;
  x->x_fall_cur = 0.0f;
  x->x_fall_end = 0.0f;
  x->x_inc8 = 0.0f;
  x->x_biginc = 0.0f;
  x->x_msi = 0;
  x->x_ms2tick = 0.001f * 44100.0f / 64.0f;
  x->x_8overn = 8.0f / 64.0f;
  x->x_remaining_ticks_start = (int)(x->x_time_ms * x->x_ms2tick);
  if(!x->x_remaining_ticks_start)
    x->x_remaining_ticks_start = 1;
n = x->x_n_in;
  for(i=0; i<n; i++)
  {
    x->x_in2out_new[i] = 0;
    x->x_in2out_old[i] = 0;
    x->x_remaining_ticks[i] = 0;
    x->x_retarget[i] = 0;
  }
  return(x);
}
void matrix_bundle_line8_tilde_setup(void)
{
  matrix_bundle_line8_tilde_class = class_new(gensym("matrix_bundle_line8~"), (t_newmethod)matrix_bundle_line8_tilde_new, (t_method)matrix_bundle_line8_tilde_free,
    sizeof(t_matrix_bundle_line8_tilde), 0, A_GIMME, 0);
  CLASS_MAINSIGNALIN(matrix_bundle_line8_tilde_class, t_matrix_bundle_line8_tilde, x_msi);
  class_addmethod(matrix_bundle_line8_tilde_class, (t_method)matrix_bundle_line8_tilde_dsp, gensym("dsp"), 0);
  class_addlist(matrix_bundle_line8_tilde_class, (t_method)matrix_bundle_line8_tilde_list);
  class_addmethod(matrix_bundle_line8_tilde_class, (t_method)matrix_bundle_line8_tilde_element, gensym("element"), A_GIMME, 0);
  class_addmethod(matrix_bundle_line8_tilde_class, (t_method)matrix_bundle_line8_tilde_bundle, gensym("bundle"), A_GIMME, 0);
  class_addmethod(matrix_bundle_line8_tilde_class, (t_method)matrix_bundle_line8_tilde_stop, gensym("stop"), 0);
  class_addmethod(matrix_bundle_line8_tilde_class, (t_method)matrix_bundle_line8_tilde_time, gensym("time"), A_FLOAT, 0);
  class_sethelpsymbol(matrix_bundle_line8_tilde_class, gensym("iemhelp/matrix_bundle_line8~-help"));
}
--- NEW FILE: matrix_mul_stat~.c ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_matrix written by Thomas Musil (c) IEM KUG Graz Austria 2002 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
/* ---------- matrix_mul_stat~ - signal matrix multiplication object with message matrix-coeff. ----------- */
typedef struct matrix_mul_stat_tilde
{
  t_object  x_obj;
  t_float   *x_matbuf;
  t_float   **x_io;
  t_float   *x_outsumbuf;
  int       x_outsumbufsize;
  int       x_n_in; /* columns */
  int       x_n_out;   /* rows  */
  t_float   x_msi;
} t_matrix_mul_stat_tilde;
t_class *matrix_mul_stat_tilde_class;
static void matrix_mul_stat_tilde_matrix(t_matrix_mul_stat_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int col, row, i;
  t_float *matrix = x->x_matbuf;
if(argc<2)
  {
    post("matrix_mul_stat~ : bad matrix: <int> out_rows <int> in_cols !");
    return;
  }
row = atom_getint(argv);
  argv++;
  col = atom_getint(argv);
  argv++;
  argc-=2;
if((col!=x->x_n_in)||(row!=x->x_n_out))
  {
    post("matrix_mul_stat~ : matrix dimensions do not match !!");
    return;
  }
  if(argc<row*col)
  {
    post("matrix_mul_stat~ : reduced matrices not yet supported");
    return;
  }
col *= row;
  for(i=0; i<col; i++)
  {
    *matrix++ = atom_getfloat(argv);
    argv++;
  }
}
static void matrix_mul_stat_tilde_element(t_matrix_mul_stat_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int col, row, n_in_cols=x->x_n_in;
  t_float element; 
  t_float *matrix = x->x_matbuf;
if(argc != 3)
  {
    post("matrix_mul_stat~ : bad element: 3 floats: <int> out_row <int> in_col <float> element !");
    return;
  }
row = atom_getint(argv) - 1;
  col = atom_getint(argv+1) - 1;
  element = atom_getfloat(argv+2);
if((row >= x->x_n_out) || (row < 0))
  {
    post("matrix_mul_stat~ : row dimensions do not match !!");
    return;
  }
  if((col >= n_in_cols) || (col < 0))
  {
    post("matrix_mul_stat~ : col dimensions do not match !!");
    return;
  }
matrix += row * n_in_cols + col;
*matrix = element;
}
static void matrix_mul_stat_tilde_row(t_matrix_mul_stat_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int col, nth_row, i;
  t_float *matrix = x->x_matbuf;
if(argc<1)
  {
    post("matrix_mul_stat~ : bad row: <int> in_rows !");
    return;
  }
nth_row = atom_getint(argv) - 1;
  argv++;
  argc--;
if((nth_row < 0)||(nth_row >= x->x_n_out))
  {
    post("matrix_mul_stat~ : row dimensions do not match !!");
    return;
  }
  col = x->x_n_in;
  if(argc < col)
  {
    post("matrix_mul_stat~ : col dimensions do not match !!");
    return;
  }
matrix += nth_row * col;
  for(i=0; i<col; i++)
  {
    *matrix++ = atom_getfloat(argv);
    argv++;
  }
}
static void matrix_mul_stat_tilde_col(t_matrix_mul_stat_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int row, col, nth_col, i;
  t_float *matrix = x->x_matbuf;
if(argc<1)
  {
    post("matrix_mul_stat~ : bad col: <int> in_cols !");
    return;
  }
nth_col = atom_getint(argv) - 1;
  argv++;
  argc--;
col = x->x_n_in;
  if((nth_col < 0)||(nth_col >= col))
  {
    post("matrix_mul_stat~ : col dimensions do not match !!");
    return;
  }
  row = x->x_n_out;
  if(argc < row)
  {
    post("matrix_mul_stat~ : row dimensions do not match !!");
    return;
  }
matrix += nth_col;
  for(i=0; i<row; i++)
  {
    *matrix = atom_getfloat(argv);
    argv++;
    matrix += col;
  }
}
/* the dsp thing */
static t_int *matrix_mul_stat_tilde_perform(t_int *w)
{
  t_matrix_mul_stat_tilde *x = (t_matrix_mul_stat_tilde *)(w[1]);
  int n = (int)(w[2]);
t_float **io = x->x_io;
  t_float *outsum, *houtsum;
  t_float *mat  = x->x_matbuf;
  int n_in = x->x_n_in;   /* columns */
  int n_out = x->x_n_out; /* rows */
  t_float *in, *out, mul;
  int r, c, i;
/* 1. output-vector-row */
  in = io[0];
  houtsum = x->x_outsumbuf;
  outsum = houtsum;
  mul = *mat++;
  for(i=0; i<n; i++)/* 1. element of 1. row */
  {
    *outsum++ = *in++ * mul;
  }
  for(c=1; c<n_in; c++)/* c+1. element of 1. row */
  {
    in = io[c];
    outsum = x->x_outsumbuf;
    mul = *mat++;
    for(i=0; i<n; i++)
    {
      *outsum++ += *in++ * mul;
    }
  }
  for(r=1; r<n_out; r++)/* 2. .. n_out. output-vector-row */
  {
    in = io[0];
    houtsum += n;
    outsum = houtsum;
    mul = *mat++;
    for(i=0; i<n; i++)/* 1. element of r+1. row */
    {
      *outsum++ = *in++ * mul;
    }
    for(c=1; c<n_in; c++)/* c+1. element of r+1. row */
    {
      in = io[c];
      outsum = houtsum;
      mul = *mat++;
      for(i=0; i<n; i++)
      {
        *outsum++ += *in++ * mul;
      }
    }
  }
  outsum = x->x_outsumbuf;
  for(r=0; r<n_out; r++)/* output-vector-row */
  {
    out = io[n_in+r];
    for(i=0; i<n; i++)
    {
      *out++ = *outsum++;
    }
  }
  return (w+3);
}
static t_int *matrix_mul_stat_tilde_perf8(t_int *w)
{
  t_matrix_mul_stat_tilde *x = (t_matrix_mul_stat_tilde *)(w[1]);
  int n = (int)(w[2]);
t_float **io = x->x_io;
  t_float *outsum, *houtsum;
  t_float *mat  = x->x_matbuf;
  int n_in = x->x_n_in;   /* columns */
  int n_out = x->x_n_out; /* rows */
  t_float *in, *out, mul;
  int r, c, i;
/* 1. output-vector-row */
  houtsum = x->x_outsumbuf;
  outsum = houtsum;
  mul = *mat++;
  if(mul == 0.0f)
  {
    for(i=n; i; i -= 8, outsum += 8)
    {
      outsum[0] = 0.0f;
      outsum[1] = 0.0f;
      outsum[2] = 0.0f;
      outsum[3] = 0.0f;
      outsum[4] = 0.0f;
      outsum[5] = 0.0f;
      outsum[6] = 0.0f;
      outsum[7] = 0.0f;
    }
  }
  else
  {
    in = io[0];
    for(i=n; i; i -= 8, outsum += 8, in += 8)
    {
      outsum[0] = in[0] * mul;
      outsum[1] = in[1] * mul;
      outsum[2] = in[2] * mul;
      outsum[3] = in[3] * mul;
      outsum[4] = in[4] * mul;
      outsum[5] = in[5] * mul;
      outsum[6] = in[6] * mul;
      outsum[7] = in[7] * mul;
    }
  }
for(c=1; c<n_in; c++)/* c+1. element of 1. row */
  {
    mul = *mat++;
    if(mul != 0.0f)
    {
      in = io[c];
      outsum = houtsum;
      for(i=n; i; i -= 8, outsum += 8, in += 8)
      {
        outsum[0] += in[0] * mul;
        outsum[1] += in[1] * mul;
        outsum[2] += in[2] * mul;
        outsum[3] += in[3] * mul;
        outsum[4] += in[4] * mul;
        outsum[5] += in[5] * mul;
        outsum[6] += in[6] * mul;
        outsum[7] += in[7] * mul;
      }
    }
  }
  for(r=1; r<n_out; r++)/* 2. .. n_out. output-vector-row */
  {
    houtsum += n;
    outsum = houtsum;
    mul = *mat++;
    if(mul == 0.0f)
    {
      for(i=n; i; i -= 8, outsum += 8)
      {
        outsum[0] = 0.0f;
        outsum[1] = 0.0f;
        outsum[2] = 0.0f;
        outsum[3] = 0.0f;
        outsum[4] = 0.0f;
        outsum[5] = 0.0f;
        outsum[6] = 0.0f;
        outsum[7] = 0.0f;
      }
    }
    else
    {
      in = io[0];
      for(i=n; i; i -= 8, outsum += 8, in += 8)
      {
        outsum[0] = in[0] * mul;
        outsum[1] = in[1] * mul;
        outsum[2] = in[2] * mul;
        outsum[3] = in[3] * mul;
        outsum[4] = in[4] * mul;
        outsum[5] = in[5] * mul;
        outsum[6] = in[6] * mul;
        outsum[7] = in[7] * mul;
      }
    }
    for(c=1; c<n_in; c++)/* c+1. element of r+1. row */
    {
      mul = *mat++;
      if(mul != 0.0f)
      {
        in = io[c];
        outsum = houtsum;
        for(i=n; i; i -= 8, outsum += 8, in += 8)
        {
          outsum[0] += in[0] * mul;
          outsum[1] += in[1] * mul;
          outsum[2] += in[2] * mul;
          outsum[3] += in[3] * mul;
          outsum[4] += in[4] * mul;
          outsum[5] += in[5] * mul;
          outsum[6] += in[6] * mul;
          outsum[7] += in[7] * mul;
        }
      }
    }
  }
  outsum = x->x_outsumbuf;
  for(r=0; r<n_out; r++)/* output-vector-row */
  {
    out = io[n_in+r];
    for (i=n; i; i -= 8, out += 8, outsum += 8)
    {
      out[0] = outsum[0];
      out[1] = outsum[1];
      out[2] = outsum[2];
      out[3] = outsum[3];
      out[4] = outsum[4];
      out[5] = outsum[5];
      out[6] = outsum[6];
      out[7] = outsum[7];
    }
  }
  return (w+3);
}
static void matrix_mul_stat_tilde_dsp(t_matrix_mul_stat_tilde *x, t_signal **sp)
{
  int i, n=sp[0]->s_n*x->x_n_out;
if(!x->x_outsumbuf)
  {
    x->x_outsumbufsize = n;
    x->x_outsumbuf = (t_float *)getbytes(x->x_outsumbufsize * sizeof(t_float));
  }
  else if(x->x_outsumbufsize != n)
  {
    x->x_outsumbuf = (t_float *)resizebytes(x->x_outsumbuf, x->x_outsumbufsize*sizeof(t_float), n*sizeof(t_float));
    x->x_outsumbufsize = n;
  }
n = x->x_n_in + x->x_n_out;
  for(i=0; i<n; i++)
  {
    x->x_io[i] = sp[i]->s_vec;
    /*post("iovec_addr = %d", (unsigned int)x->x_io[i]);*/
  }
n = sp[0]->s_n;
  if(n&7)
    dsp_add(matrix_mul_stat_tilde_perform, 2, x, n);
  else
    dsp_add(matrix_mul_stat_tilde_perf8, 2, x, n);
}
/* setup/setdown things */
static void matrix_mul_stat_tilde_free(t_matrix_mul_stat_tilde *x)
{
  freebytes(x->x_matbuf, x->x_n_in * x->x_n_out * sizeof(t_float));
  freebytes(x->x_io, (x->x_n_in + x->x_n_out) * sizeof(t_float *));
  if(x->x_outsumbuf)
    freebytes(x->x_outsumbuf, x->x_outsumbufsize * sizeof(t_float));
}
static void *matrix_mul_stat_tilde_new(t_symbol *s, int argc, t_atom *argv)
{
  t_matrix_mul_stat_tilde *x = (t_matrix_mul_stat_tilde *)pd_new(matrix_mul_stat_tilde_class);
  int i;
switch (argc)
  {
  case 0:
    x->x_n_in = x->x_n_out = 1;
    break;
  case 1:
    x->x_n_in = x->x_n_out = (int)atom_getint(argv);
    break;
  default:
    x->x_n_in = (int)atom_getint(argv);
    x->x_n_out = (int)atom_getint(argv+1);
    break;
  }
if(x->x_n_in < 1)
    x->x_n_in = 1;
  if(x->x_n_out < 1)
    x->x_n_out = 1;
  i = x->x_n_in - 1;
  while(i--)
    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
  i = x->x_n_out;
  while(i--)
    outlet_new(&x->x_obj, &s_signal);
  x->x_msi = 0;
  x->x_outsumbuf = (t_float *)0;
  x->x_outsumbufsize = 0;
  x->x_matbuf = (t_float *)getbytes(x->x_n_in * x->x_n_out * sizeof(t_float));
  x->x_io = (t_float **)getbytes((x->x_n_in + x->x_n_out) * sizeof(t_float *));
  return (x);
}
void matrix_mul_stat_tilde_setup(void)
{
  matrix_mul_stat_tilde_class = class_new(gensym("matrix_mul_stat~"), (t_newmethod)matrix_mul_stat_tilde_new, (t_method)matrix_mul_stat_tilde_free,
    sizeof(t_matrix_mul_stat_tilde), 0, A_GIMME, 0);
  CLASS_MAINSIGNALIN(matrix_mul_stat_tilde_class, t_matrix_mul_stat_tilde, x_msi);
  class_addmethod(matrix_mul_stat_tilde_class, (t_method)matrix_mul_stat_tilde_dsp, gensym("dsp"), 0);
  class_addmethod(matrix_mul_stat_tilde_class, (t_method)matrix_mul_stat_tilde_matrix, gensym("matrix"), A_GIMME, 0);
  class_addmethod(matrix_mul_stat_tilde_class, (t_method)matrix_mul_stat_tilde_element, gensym("element"), A_GIMME, 0);
  class_addmethod(matrix_mul_stat_tilde_class, (t_method)matrix_mul_stat_tilde_row, gensym("row"), A_GIMME, 0);
  class_addmethod(matrix_mul_stat_tilde_class, (t_method)matrix_mul_stat_tilde_col, gensym("col"), A_GIMME, 0);
  class_sethelpsymbol(matrix_mul_stat_tilde_class, gensym("iemhelp2/matrix_mul_stat~-help"));
}
--- NEW FILE: spherical_line.c ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_matrix written by Thomas Musil (c) IEM KUG Graz Austria 2002 - 2006 */
/* -------------------------- spherical_line ------------------------------ */
typedef struct _spherical_line
{
  t_object  x_obj;
  int       x_dim;
  double    *x_work2;
  double    *x_buf2;
  t_atom    *x_at;
} t_spherical_line;
static t_class *spherical_line_class;
static void spherical_line_rot_z(t_spherical_line *x, double *vec, double angle)
{
  int i;
  double s=sin(angle);
  double c=cos(angle);
  double sum=0.0;
dw += row*dim2;
  for(i=0; i<dim2; i++)
  {
    *db++ = *dw++;
  }
}
static void spherical_line_copy_row2buf(t_spherical_line *x, int row)
{
  int dim2 = 2*x->x_dim;
  int i;
  double *dw=x->x_work2;
  double *db=x->x_buf2;
dw += row*dim2;
  for(i=0; i<dim2; i++)
  {
    *db++ = *dw++;
  }
}
static void spherical_line_copy_buf2row(t_spherical_line *x, int row)
{
  int dim2 = 2*x->x_dim;
  int i;
  double *dw=x->x_work2;
  double *db=x->x_buf2;
dw += row*dim2;
  for(i=0; i<dim2; i++)
  {
    *dw++ = *db++;
  }
}
static void spherical_line_copy_row2row(t_spherical_line *x, int src_row, int dst_row)
{
  int dim2 = 2*x->x_dim;
  int i;
  double *dw_src=x->x_work2;
  double *dw_dst=x->x_work2;
dw_src += src_row*dim2;
  dw_dst += dst_row*dim2;
  for(i=0; i<dim2; i++)
  {
    *dw_dst++ = *dw_src++;
  }
}
static void spherical_line_xch_rows(t_spherical_line *x, int row1, int row2)
{
  spherical_line_copy_row2buf(x, row1);
  spherical_line_copy_row2row(x, row2, row1);
  spherical_line_copy_buf2row(x, row2);
}
static void spherical_line_mul_row(t_spherical_line *x, int row, double mul)
{
  int dim2 = 2*x->x_dim;
  int i;
  double *dw=x->x_work2;
dw += row*dim2;
  for(i=0; i<dim2; i++)
  {
    (*dw++) *= mul;
  }
}
static void spherical_line_mul_buf_and_add2row(t_spherical_line *x, int row, double mul)
{
  int dim2 = 2*x->x_dim;
  int i;
  double *dw=x->x_work2;
  double *db=x->x_buf2;
dw += row*dim2;
  for(i=0; i<dim2; i++)
  {
    *dw++ += (*db++)*mul;
  }
}
static int spherical_line_eval_which_element_of_col_not_zero(t_spherical_line *x, int col, int start_row)
{
  int dim = x->x_dim;
  int dim2 = 2*dim;
  int i, j;
  double *dw=x->x_work2;
  int ret=-1;
dw += start_row*dim2 + col;
  j = 0;
  for(i=start_row; i<dim; i++)
  {
    if( (*dw > 1.0e-10) || (*dw < -1.0e-10) )
    {
      ret = i;
      i = dim+1;
    }
    dw += dim2;
  }
  return(ret);
}
static void spherical_line_matrix(t_spherical_line *x, t_symbol *s, int argc, t_atom *argv)
{
  int dim = x->x_dim;
  int dim2 = 2*dim;
  int i, j, nz;
  int r,c;
  double *db=x->x_work2;
  double rcp, *dv=db;
  t_atom *at=x->x_at;
if(argc != (dim*dim + 2))
  {
    post("spherical_line ERROR: wrong dimension of input-list");
    return;
  }
  r = (int)(atom_getint(argv++));
  c = (int)(atom_getint(argv++));
  if(r != dim)
  {
    post("spherical_line ERROR: wrong number of rows of input-list");
    return;
  }
  if(c != dim)
  {
    post("spherical_line ERROR: wrong number of cols of input-list");
    return;
  }
  for(i=0; i<dim; i++) /* init */
  {
    for(j=0; j<dim; j++)
    {
      *dv++ = (double)(atom_getfloat(argv++));
    }
    for(j=0; j<dim; j++)
    {
      if(j == i)
        *dv++ = 1.0;
      else
        *dv++ = 0.0;
    }
  }
/* make 1 in main-diagonale, and 0 below */
  for(i=0; i<dim; i++)
  {
    nz = spherical_line_eval_which_element_of_col_not_zero(x, i, i);
    if(nz < 0)
    {
      post("spherical_line ERROR: matrix not regular");
      return;
    }
    else
    {
      if(nz != i)
      {
        spherical_line_xch_rows(x, i, nz);
      }
      dv = db + i*dim2 + i;
      rcp = 1.0 /(*dv);
      spherical_line_mul_row(x, i, rcp);
      spherical_line_copy_row2buf(x, i);
      for(j=i+1; j<dim; j++)
      {
        dv += dim2;
        rcp = -(*dv);
        spherical_line_mul_buf_and_add2row(x, j, rcp);
      }
    }
  }
/* make 0 above the main diagonale */
  for(i=dim-1; i>=0; i--)
  {
    dv = db + i*dim2 + i;
    spherical_line_copy_row2buf(x, i);
    for(j=i-1; j>=0; j--)
    {
      dv -= dim2;
      rcp = -(*dv);
      spherical_line_mul_buf_and_add2row(x, j, rcp);
    }
  }
at = x->x_at;
  SETFLOAT(at, (t_float)dim);
  at++;
  SETFLOAT(at, (t_float)dim);
  at++;
  dv = db;
  dv += dim;
  for(i=0; i<dim; i++)    /* output left half of double-matrix */
  {
    for(j=0; j<dim; j++)
    {
      SETFLOAT(at, (t_float)(*dv++));
      at++;
    }
    dv += dim;
  }
outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), argc, x->x_at);
}
static void spherical_line_free(t_spherical_line *x)
{
  freebytes(x->x_work2, 2 * x->x_dim * x->x_dim * sizeof(double));
  freebytes(x->x_buf2, 2 * x->x_dim * sizeof(double));
  freebytes(x->x_at, (x->x_dim * x->x_dim + 2) * sizeof(t_atom));
}
static void *spherical_line_new(t_floatarg fdim)
{
  t_spherical_line *x = (t_spherical_line *)pd_new(spherical_line_class);
  int dim = (int)fdim;
if(dim < 1)
    dim = 1;
  x->x_dim = dim;
  x->x_work2 = (double *)getbytes(2 * x->x_dim * x->x_dim * sizeof(double));
  x->x_buf2 = (double *)getbytes(2 * x->x_dim * sizeof(double));
  x->x_at = (t_atom *)getbytes((x->x_dim * x->x_dim + 2) * sizeof(t_atom));
  outlet_new(&x->x_obj, &s_list);
  return (x);
}
static void spherical_line_setup(void)
{
  spherical_line_class = class_new(gensym("spherical_line"), (t_newmethod)spherical_line_new, (t_method)spherical_line_free,
    sizeof(t_spherical_line), 0, A_FLOAT, 0);
  class_addmethod(spherical_line_class, (t_method)spherical_line_matrix, gensym("matrix"), A_GIMME, 0);
  class_sethelpsymbol(spherical_line_class, gensym("iemhelp/spherical_line-help"));
}
--- NEW FILE: makefile_win ---
all: ..\iem_matrix.dll
VIS_CPP_PATH = "C:\Programme\Microsoft Visual Studio\Vc98"
PD_INST_PATH = "C:\Programme\pd-0.39-2"
PD_WIN_INCLUDE_PATH = /I. /I$(PD_INST_PATH)\src /I$(VIS_CPP_PATH)\include
PD_WIN_C_FLAGS = /nologo /W3 /WX /DMSW /DNT /DPD /DWIN32 /DWINDOWS /Ox -DPA_LITTLE_ENDIAN
PD_WIN_L_FLAGS = /nologo
PD_WIN_LIB = /NODEFAULTLIB:libc /NODEFAULTLIB:oldnames /NODEFAULTLIB:kernel /NODEFAULTLIB:uuid \
    $(VIS_CPP_PATH)\lib\libc.lib \
    $(VIS_CPP_PATH)\lib\oldnames.lib \
    $(VIS_CPP_PATH)\lib\kernel32.lib \
    $(VIS_CPP_PATH)\lib\wsock32.lib \
    $(VIS_CPP_PATH)\lib\winmm.lib \
    $(PD_INST_PATH)\bin\pthreadVC.lib \
    $(PD_INST_PATH)\bin\pd.lib
SRC =	matrix_mul_line~.c \
    matrix_mul_line8~.c \
    matrix_mul_stat~.c \
    matrix_diag_mul_line~.c \
    matrix_diag_mul_line8~.c \
    matrix_diag_mul_stat~.c \
    matrix_bundle_line~.c \
    matrix_bundle_line8~.c \
    matrix_bundle_stat~.c \
    iem_matrix.c
OBJ = $(SRC:.c=.obj)
.c.obj:
    cl $(PD_WIN_C_FLAGS) $(PD_WIN_INCLUDE_PATH) /c $*.c
..\iem_matrix.dll: $(OBJ)
    link $(PD_WIN_L_FLAGS) /dll /export:iem_matrix_setup \
    /out:..\iem_matrix.dll $(OBJ) $(PD_WIN_LIB)
clean:
    del *.obj
--- NEW FILE: iemlib.h ---
/* 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 - 2006 */
#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];
};
#ifdef __i386__
#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 */
#else
#define IEM_DENORMAL(f) 0
#endif
#endif
--- NEW FILE: matrix_mul_line8~.c ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_matrix written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
/* ---------- matrix_mul_line8~ - signal matrix multiplication object with message matrix-coeff. ----------- */
typedef struct matrix_mul_line8_tilde
{
  t_object  x_obj;
  t_float   *x_matcur;
  t_float   *x_matend;
  t_float   *x_inc8;
  t_float   *x_biginc;
  t_float   **x_io;
  t_float   *x_outsumbuf;
  int       x_outsumbufsize;
  int       x_n_in; /* columns */
  int       x_n_out; /* rows  */
  t_float   x_msi;
  int       x_retarget;
  t_float   x_time_ms;
  int       x_remaining_ticks;
  t_float   x_ms2tick;
  t_float   x_8overn;
} t_matrix_mul_line8_tilde;
t_class *matrix_mul_line8_tilde_class;
static void matrix_mul_line8_tilde_time(t_matrix_mul_line8_tilde *x, t_floatarg time_ms)
{
  if(time_ms <= 0.0f)
    time_ms = 0.0f;
  x->x_time_ms = time_ms;
}
static void matrix_mul_line8_tilde_matrix(t_matrix_mul_line8_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int col, row, i;
  t_float *matcur = x->x_matcur;
  t_float *matend = x->x_matend;
if(argc<2)
  {
    post("matrix_mul_line8~ : bad matrix: <int> out_rows <int> in_cols !");
    return;
  }
row = atom_getint(argv);
  argv++;
  col = atom_getint(argv);
  argv++;
  argc-=2;
if((col!=x->x_n_in)||(row!=x->x_n_out))
  {
    post("matrix_mul_line8~ : matrix dimensions do not match !!");
    return;
  }
  if(argc<row*col)
  {
    post("matrix_mul_line8~ : reduced matrices not yet supported");
    return;
  }
col *= row;
  if(x->x_time_ms <= 0.0f)
  {
    for(i=0; i<col; i++)
    {
      *matend++ = *matcur++ = atom_getfloat(argv);
      argv++;
    }
    x->x_remaining_ticks = x->x_retarget = 0;
  }
  else
  {
    for(i=0; i<col; i++)
    {
      *matend++ = atom_getfloat(argv);
      argv++;
    }
    x->x_retarget = 1;
  }
}
static void matrix_mul_line8_tilde_element(t_matrix_mul_line8_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int col, row, n_in_cols=x->x_n_in;
  t_float element; 
  t_float *matcur = x->x_matcur;
  t_float *matend = x->x_matend;
if(argc != 3)
  {
    post("matrix_mul_line8~ : bad element: 3 floats: <int> out_row <int> in_col <float> element !");
    return;
  }
row = atom_getint(argv) - 1;
  col = atom_getint(argv+1) - 1;
  element = atom_getfloat(argv+2);
if((row >= x->x_n_out) || (row < 0))
  {
    post("matrix_mul_line8~ : row dimensions do not match !!");
    return;
  }
  if((col >= n_in_cols) || (col < 0))
  {
    post("matrix_mul_line8~ : col dimensions do not match !!");
    return;
  }
matend += row * n_in_cols + col;
  matcur += row * n_in_cols + col;
if(x->x_time_ms <= 0.0f)
  {
    *matend = *matcur = element;
    x->x_remaining_ticks = x->x_retarget = 0;
  }
  else
  {
    *matend = element;
    x->x_retarget = 1;
  }
}
static void matrix_mul_line8_tilde_row(t_matrix_mul_line8_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int col, nth_row, i;
  t_float *matcur = x->x_matcur;
  t_float *matend = x->x_matend;
if(argc<1)
  {
    post("matrix_mul_line8~ : bad row: <int> in_row !");
    return;
  }
nth_row = atom_getint(argv) - 1;
  argv++;
  argc--;
if((nth_row >= x->x_n_out) || (nth_row < 0))
  {
    post("matrix_mul_line8~ : row dimensions do not match !!");
    return;
  }
  col = x->x_n_in;
  if(argc < col)
  {
    post("matrix_mul_line8~ : col dimensions do not match !!");
    return;
  }
matend += nth_row * col;
  matcur += nth_row * col;
  if(x->x_time_ms <= 0.0f)
  {
    for(i=0; i<col; i++)
    {
      *matend++ = *matcur++ = atom_getfloat(argv);
      argv++;
    }
    x->x_remaining_ticks = x->x_retarget = 0;
  }
  else
  {
    for(i=0; i<col; i++)
    {
      *matend++ = atom_getfloat(argv);
      argv++;
    }
    x->x_retarget = 1;
  }
}
static void matrix_mul_line8_tilde_col(t_matrix_mul_line8_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int row, col, nth_col, i;
  t_float *matcur = x->x_matcur;
  t_float *matend = x->x_matend;
if(argc<1)
  {
    post("matrix_mul_line8~ : bad col: <int> in_cols !");
    return;
  }
nth_col = atom_getint(argv) - 1;
  argv++;
  argc--;
col = x->x_n_in;
  if((nth_col < 0)||(nth_col >= col))
  {
    post("matrix_mul_line8~ : col dimensions do not match !!");
    return;
  }
  row = x->x_n_out;
  if(argc < row)
  {
    post("matrix_mul_line8~ : row dimensions do not match !!");
    return;
  }
matend += nth_col;
  matcur += nth_col;
  if(x->x_time_ms <= 0.0f)
  {
    for(i=0; i<row; i++)
    {
      *matend = *matcur = atom_getfloat(argv);
      argv++;
      matend += col;
      matcur += col;
    }
    x->x_remaining_ticks = x->x_retarget = 0;
  }
  else
  {
    for(i=0; i<row; i++)
    {
      *matend = atom_getfloat(argv);
      argv++;
      matend += col;
      matcur += col;
    }
    x->x_retarget = 1;
  }
}
static void matrix_mul_line8_tilde_stop(t_matrix_mul_line8_tilde *x)
{
  int i = x->x_n_out*x->x_n_in;
  t_float *matend=x->x_matend;
  t_float *matcur=x->x_matcur;
while(i--)
  {
    *matend++ = *matcur++;
  }
  x->x_remaining_ticks = x->x_retarget = 0;
}
/* the dsp thing */
static t_int *matrix_mul_line8_tilde_perform_zero(t_int *w)
{
  t_matrix_mul_line8_tilde *x = (t_matrix_mul_line8_tilde *)(w[1]);
  int n = (int)(w[2]);
  t_float **io = x->x_io;
  int n_in = x->x_n_in;   /* columns */
  int n_out = x->x_n_out; /* rows */
  t_float *out;
  int r, i;
for(r=0; r<n_out; r++)/* output-vector-row */
  {
    out = io[n_in+r];
    for(i=0; i<n; i++)
      *out++ = 0.0f;
  }
  return (w+3);
}
static t_int *matrix_mul_line8_tilde_perf8(t_int *w)
{
  t_matrix_mul_line8_tilde *x = (t_matrix_mul_line8_tilde *)(w[1]);
  int n = (int)(w[2]);
  t_float **io = x->x_io;
  t_float *outsum, *houtsum;
  t_float *matcur, *matend;
  t_float *inc8 ,*biginc, inc;
  int n_in = x->x_n_in;   /* columns */
  int n_out = x->x_n_out; /* rows */
  t_float *in, *out, mul, bigmul;
  int r, c, i;
if(x->x_retarget)
  {
    int nticks = (int)(x->x_time_ms * x->x_ms2tick);
if(!nticks)
      nticks = 1;
    x->x_remaining_ticks = nticks;
    inc8 = x->x_inc8;
    biginc = x->x_biginc;
    matcur = x->x_matcur;
    matend = x->x_matend;
    mul = x->x_8overn / (t_float)nticks;
    bigmul = 1.0f / (t_float)nticks;
    i = n_out*n_in;
    while(i--)
    {
      inc = *matend++ - *matcur++;
      *inc8++ = inc * mul;
      *biginc++ = inc * bigmul;
    }
    x->x_retarget = 0;
    //post("time = %f ms, ticks = %d, inc = %f", x->x_time_ms, nticks, *inc);
  }
if(x->x_remaining_ticks)
  {
    inc8 = x->x_inc8;
    biginc = x->x_biginc;
    matcur = x->x_matcur;
    /* 1. output-vector-row */
    in = io[0];
    houtsum = x->x_outsumbuf;
    outsum = houtsum;
    inc = *inc8++;
    mul = *matcur;
    for(i=n; i; i -= 8, outsum += 8, in += 8)
    {
      outsum[0] = in[0] * mul;
      outsum[1] = in[1] * mul;
      outsum[2] = in[2] * mul;
      outsum[3] = in[3] * mul;
      outsum[4] = in[4] * mul;
      outsum[5] = in[5] * mul;
      outsum[6] = in[6] * mul;
      outsum[7] = in[7] * mul;
      mul += inc;
    }
    *matcur++ += *biginc++;
    for(c=1; c<n_in; c++)/* c+1. element of 1. row */
    {
      in = io[c];
      outsum = houtsum;
      inc = *inc8++;
      mul = *matcur;
      for(i=n; i; i -= 8, outsum += 8, in += 8)
      {
        outsum[0] += in[0] * mul;
        outsum[1] += in[1] * mul;
        outsum[2] += in[2] * mul;
        outsum[3] += in[3] * mul;
        outsum[4] += in[4] * mul;
        outsum[5] += in[5] * mul;
        outsum[6] += in[6] * mul;
        outsum[7] += in[7] * mul;
        mul += inc;
      }
      *matcur++ += *biginc++;
    }
    for(r=1; r<n_out; r++)/* 2. .. n_out. output-vector-row */
    {
      in = io[0];
      houtsum += n;
      outsum = houtsum;
      inc = *inc8++;
      mul = *matcur;
      for(i=n; i; i -= 8, outsum += 8, in += 8)
      {
        outsum[0] = in[0] * mul;
        outsum[1] = in[1] * mul;
        outsum[2] = in[2] * mul;
        outsum[3] = in[3] * mul;
        outsum[4] = in[4] * mul;
        outsum[5] = in[5] * mul;
        outsum[6] = in[6] * mul;
        outsum[7] = in[7] * mul;
        mul += inc;
      }
      *matcur++ += *biginc++;
      for(c=1; c<n_in; c++)/* c+1. element of r+1. row */
      {
        in = io[c];
        outsum = houtsum;
        inc = *inc8++;
        mul = *matcur;
        for(i=n; i; i -= 8, outsum += 8, in += 8)
        {
          outsum[0] += in[0] * mul;
          outsum[1] += in[1] * mul;
          outsum[2] += in[2] * mul;
          outsum[3] += in[3] * mul;
          outsum[4] += in[4] * mul;
          outsum[5] += in[5] * mul;
          outsum[6] += in[6] * mul;
          outsum[7] += in[7] * mul;
          mul += inc;
        }
        *matcur++ += *biginc++;
      }
    }
if(!--x->x_remaining_ticks)
    {
      matcur = x->x_matcur;
      matend = x->x_matend;
      i = n_in * n_out;
      while(i--)
        *matcur++ = *matend++;
    }
  }
  else
  {
    matend = x->x_matend;
    /* 1. output-vector-row */
    in = io[0];
    houtsum = x->x_outsumbuf;
    outsum = houtsum;
    mul = *matend++;
    if(mul == 0.0f)
    {
      for(i=n; i; i -= 8, outsum += 8, in += 8)
      {
        outsum[0] = 0.0f;
        outsum[1] = 0.0f;
        outsum[2] = 0.0f;
        outsum[3] = 0.0f;
        outsum[4] = 0.0f;
        outsum[5] = 0.0f;
        outsum[6] = 0.0f;
        outsum[7] = 0.0f;
      }
    }
    else
    {
      for(i=n; i; i -= 8, outsum += 8, in += 8)
      {
        outsum[0] = in[0] * mul;
        outsum[1] = in[1] * mul;
        outsum[2] = in[2] * mul;
        outsum[3] = in[3] * mul;
        outsum[4] = in[4] * mul;
        outsum[5] = in[5] * mul;
        outsum[6] = in[6] * mul;
        outsum[7] = in[7] * mul;
      }
    }
    for(c=1; c<n_in; c++)/* c+1. element of 1. row */
    {
      in = io[c];
      outsum = houtsum;
      mul = *matend++;
      if(mul != 0.0f)
      {
        for(i=n; i; i -= 8, outsum += 8, in += 8)
        {
          outsum[0] += in[0] * mul;
          outsum[1] += in[1] * mul;
          outsum[2] += in[2] * mul;
          outsum[3] += in[3] * mul;
          outsum[4] += in[4] * mul;
          outsum[5] += in[5] * mul;
          outsum[6] += in[6] * mul;
          outsum[7] += in[7] * mul;
        }
      }
    }
    for(r=1; r<n_out; r++)/* 2. .. n_out. output-vector-row */
    {
      in = io[0];
      houtsum += n;
      outsum = houtsum;
      mul = *matend++;
      if(mul == 0.0f)
      {
        for(i=n; i; i -= 8, outsum += 8, in += 8)
        {
          outsum[0] = 0.0f;
          outsum[1] = 0.0f;
          outsum[2] = 0.0f;
          outsum[3] = 0.0f;
          outsum[4] = 0.0f;
          outsum[5] = 0.0f;
          outsum[6] = 0.0f;
          outsum[7] = 0.0f;
        }
      }
      else
      {
        for(i=n; i; i -= 8, outsum += 8, in += 8)
        {
          outsum[0] = in[0] * mul;
          outsum[1] = in[1] * mul;
          outsum[2] = in[2] * mul;
          outsum[3] = in[3] * mul;
          outsum[4] = in[4] * mul;
          outsum[5] = in[5] * mul;
          outsum[6] = in[6] * mul;
          outsum[7] = in[7] * mul;
        }
      }
      for(c=1; c<n_in; c++)/* c+1. element of r+1. row */
      {
        in = io[c];
        outsum = houtsum;
        mul = *matend++;
        if(mul != 0.0f)
        {
          for(i=n; i; i -= 8, outsum += 8, in += 8)
          {
            outsum[0] += in[0] * mul;
            outsum[1] += in[1] * mul;
            outsum[2] += in[2] * mul;
            outsum[3] += in[3] * mul;
            outsum[4] += in[4] * mul;
            outsum[5] += in[5] * mul;
            outsum[6] += in[6] * mul;
            outsum[7] += in[7] * mul;
          }
        }
      }
    }
  }
  outsum = x->x_outsumbuf;
  for(r=0; r<n_out; r++)/* output-vector-row */
  {
    out = io[n_in+r];
    for (i=n; i; i -= 8, out += 8, outsum += 8)
    {
      out[0] = outsum[0];
      out[1] = outsum[1];
      out[2] = outsum[2];
      out[3] = outsum[3];
      out[4] = outsum[4];
      out[5] = outsum[5];
      out[6] = outsum[6];
      out[7] = outsum[7];
    }
  }
  return (w+3);
}
static void matrix_mul_line8_tilde_dsp(t_matrix_mul_line8_tilde *x, t_signal **sp)
{
  int i, n=sp[0]->s_n*x->x_n_out;
if(!x->x_outsumbuf)
  {
    x->x_outsumbufsize = n;
    x->x_outsumbuf = (t_float *)getbytes(x->x_outsumbufsize * sizeof(t_float));
  }
  else if(x->x_outsumbufsize != n)
  {
    x->x_outsumbuf = (t_float *)resizebytes(x->x_outsumbuf, x->x_outsumbufsize*sizeof(t_float), n*sizeof(t_float));
    x->x_outsumbufsize = n;
  }
n = x->x_n_in + x->x_n_out;
  for(i=0; i<n; i++)
    x->x_io[i] = sp[i]->s_vec;
n = sp[0]->s_n;
  x->x_ms2tick = 0.001f * (t_float)(sp[0]->s_sr) / (t_float)n;
  x->x_8overn = 8.0f / (t_float)n;
if(n&7)
  {
    dsp_add(matrix_mul_line8_tilde_perform_zero, 2, x, n);
    post("ERROR!!! matrix_mul_line8~ : blocksize is %d and not a multiple of 8", n);
  }
  else
    dsp_add(matrix_mul_line8_tilde_perf8, 2, x, n);
}
/* setup/setdown things */
static void matrix_mul_line8_tilde_free(t_matrix_mul_line8_tilde *x)
{
  freebytes(x->x_matcur, x->x_n_in * x->x_n_out * sizeof(t_float));
  freebytes(x->x_matend, x->x_n_in * x->x_n_out * sizeof(t_float));
  freebytes(x->x_inc8, x->x_n_in * x->x_n_out * sizeof(t_float));
  freebytes(x->x_biginc, x->x_n_in * x->x_n_out * sizeof(t_float));
  freebytes(x->x_io, (x->x_n_in + x->x_n_out) * sizeof(t_float *));
  if(x->x_outsumbuf)
    freebytes(x->x_outsumbuf, x->x_outsumbufsize * sizeof(t_float));
}
static void *matrix_mul_line8_tilde_new(t_symbol *s, int argc, t_atom *argv)
{
  t_matrix_mul_line8_tilde *x = (t_matrix_mul_line8_tilde *)pd_new(matrix_mul_line8_tilde_class);
  int i, n;
switch(argc)
  {
  case 0:
    x->x_n_in = x->x_n_out = 1;
    x->x_time_ms = 50.0f;
    break;
  case 1:
    x->x_n_in = x->x_n_out = (int)atom_getint(argv);
    x->x_time_ms = 50.0f;
    break;
  case 2:
    x->x_n_in = (int)atom_getint(argv);
    x->x_n_out = (int)atom_getint(argv+1);
    x->x_time_ms = 50.0f;
    break;
  default:
    x->x_n_in = (int)atom_getint(argv);
    x->x_n_out = (int)atom_getint(argv+1);
    x->x_time_ms = atom_getfloat(argv+2);
    break;
  }
if(x->x_time_ms < 0.0f)
    x->x_time_ms = 50.0f;
  if(x->x_n_in < 1)
    x->x_n_in = 1;
  if(x->x_n_out < 1)
    x->x_n_out = 1;
  i = x->x_n_in - 1;
  while(i--)
    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
  i = x->x_n_out;
  while(i--)
    outlet_new(&x->x_obj, &s_signal);
  x->x_msi = 0;
  x->x_outsumbuf = (t_float *)0;
  x->x_outsumbufsize = 0;
  x->x_matcur = (t_float *)getbytes(x->x_n_in * x->x_n_out * sizeof(t_float));
  x->x_matend = (t_float *)getbytes(x->x_n_in * x->x_n_out * sizeof(t_float));
  x->x_inc8 = (t_float *)getbytes(x->x_n_in * x->x_n_out * sizeof(t_float));
  x->x_biginc = (t_float *)getbytes(x->x_n_in * x->x_n_out * sizeof(t_float));
  x->x_io = (t_float **)getbytes((x->x_n_in + x->x_n_out) * sizeof(t_float *));
  x->x_ms2tick = 0.001f * 44100.0f / 64.0f;
  x->x_8overn = 8.0f / 64.0f;
  x->x_remaining_ticks = 0;
  x->x_retarget = 0;
n = x->x_n_in * x->x_n_out;
  for(i=0; i<n; i++)
  {
    x->x_matcur[i] = 0.0f;
    x->x_matend[i] = 0.0f;
    x->x_inc8[i] = 0.0f;
    x->x_biginc[i] = 0.0f;
  }
  return (x);
}
void matrix_mul_line8_tilde_setup(void)
{
  matrix_mul_line8_tilde_class = class_new(gensym("matrix_mul_line8~"), (t_newmethod)matrix_mul_line8_tilde_new, (t_method)matrix_mul_line8_tilde_free,
    sizeof(t_matrix_mul_line8_tilde), 0, A_GIMME, 0);
  CLASS_MAINSIGNALIN(matrix_mul_line8_tilde_class, t_matrix_mul_line8_tilde, x_msi);
  class_addmethod(matrix_mul_line8_tilde_class, (t_method)matrix_mul_line8_tilde_dsp, gensym("dsp"), 0);
  class_addmethod(matrix_mul_line8_tilde_class, (t_method)matrix_mul_line8_tilde_matrix, gensym("matrix"), A_GIMME, 0);
  class_addmethod(matrix_mul_line8_tilde_class, (t_method)matrix_mul_line8_tilde_element, gensym("element"), A_GIMME, 0);
  class_addmethod(matrix_mul_line8_tilde_class, (t_method)matrix_mul_line8_tilde_row, gensym("row"), A_GIMME, 0);
  class_addmethod(matrix_mul_line8_tilde_class, (t_method)matrix_mul_line8_tilde_col, gensym("col"), A_GIMME, 0);
  class_addmethod(matrix_mul_line8_tilde_class, (t_method)matrix_mul_line8_tilde_stop, gensym("stop"), 0);
  class_addmethod(matrix_mul_line8_tilde_class, (t_method)matrix_mul_line8_tilde_time, gensym("time"), A_FLOAT, 0);
  class_sethelpsymbol(matrix_mul_line8_tilde_class, gensym("iemhelp2/matrix_mul_line8~-help"));
}
--- NEW FILE: matrix_mul_line~.c ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_matrix written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
/* ---------- matrix_mul_line~ - signal matrix multiplication object with message matrix-coeff. ----------- */
typedef struct matrix_mul_line_tilde
{
  t_object  x_obj;
  t_float   *x_matcur;
  t_float   *x_matend;
  t_float   *x_inc;
  t_float   *x_biginc;
  t_float   **x_io;
  t_float   *x_outsumbuf;
  int       x_outsumbufsize;
  int       x_n_in; /* columns */
  int       x_n_out; /* rows  */
  t_float   x_msi;
  int       x_retarget;
  t_float   x_time_ms;
  int       x_remaining_ticks;
  t_float   x_ms2tick;
  t_float   x_1overn;
} t_matrix_mul_line_tilde;
t_class *matrix_mul_line_tilde_class;
static void matrix_mul_line_tilde_time(t_matrix_mul_line_tilde *x, t_floatarg time_ms)
{
  if(time_ms <= 0.0f)
    time_ms = 0.0f;
  x->x_time_ms = time_ms;
}
static void matrix_mul_line_tilde_matrix(t_matrix_mul_line_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int col, row, i;
  t_float *matcur = x->x_matcur;
  t_float *matend = x->x_matend;
if(argc<2)
  {
    post("matrix_mul_line~ : bad matrix: <int> out_rows <int> in_cols !");
    return;
  }
row = atom_getint(argv);
  argv++;
  col = atom_getint(argv);
  argv++;
  argc-=2;
if((col!=x->x_n_in)||(row!=x->x_n_out))
  {
    post("matrix_mul_line~ : matrix dimensions do not match !!");
    return;
  }
  if(argc<row*col)
  {
    post("matrix_mul_line~ : reduced matrices not yet supported");
    return;
  }
col *= row;
  if(x->x_time_ms <= 0.0f)
  {
    for(i=0; i<col; i++)
    {
      *matend++ = *matcur++ = atom_getfloat(argv);
      argv++;
    }
    x->x_remaining_ticks = x->x_retarget = 0;
  }
  else
  {
    for(i=0; i<col; i++)
    {
      *matend++ = atom_getfloat(argv);
      argv++;
    }
    x->x_retarget = 1;
  }
}
static void matrix_mul_line_tilde_element(t_matrix_mul_line_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int col, row, n_in_cols=x->x_n_in;
  t_float element; 
  t_float *matcur = x->x_matcur;
  t_float *matend = x->x_matend;
if(argc != 3)
  {
    post("matrix_mul_line~ : bad element: 3 floats: <int> out_row <int> in_col <float> element !");
    return;
  }
row = atom_getint(argv) - 1;
  col = atom_getint(argv+1) - 1;
  element = atom_getfloat(argv+2);
if((row >= x->x_n_out) || (row < 0))
  {
    post("matrix_mul_line~ : row dimensions do not match !!");
    return;
  }
  if((col >= n_in_cols) || (col < 0))
  {
    post("matrix_mul_line~ : col dimensions do not match !!");
    return;
  }
matend += row * n_in_cols + col;
  matcur += row * n_in_cols + col;
if(x->x_time_ms <= 0.0f)
  {
    *matend = *matcur = element;
    x->x_remaining_ticks = x->x_retarget = 0;
  }
  else
  {
    *matend = element;
    x->x_retarget = 1;
  }
}
static void matrix_mul_line_tilde_row(t_matrix_mul_line_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int col, nth_row, i;
  t_float *matcur = x->x_matcur;
  t_float *matend = x->x_matend;
if(argc<1)
  {
    post("matrix_mul_line~ : bad row: <int> in_row !");
    return;
  }
nth_row = atom_getint(argv) - 1;
  argv++;
  argc--;
if((nth_row >= x->x_n_out) || (nth_row < 0))
  {
    post("matrix_mul_line~ : row dimensions do not match !!");
    return;
  }
  col = x->x_n_in;
  if(argc < col)
  {
    post("matrix_mul_line~ : col dimensions do not match !!");
    return;
  }
matend += nth_row * col;
  matcur += nth_row * col;
  if(x->x_time_ms <= 0.0f)
  {
    for(i=0; i<col; i++)
    {
      *matend++ = *matcur++ = atom_getfloat(argv);
      argv++;
    }
    x->x_remaining_ticks = x->x_retarget = 0;
  }
  else
  {
    for(i=0; i<col; i++)
    {
      *matend++ = atom_getfloat(argv);
      argv++;
    }
    x->x_retarget = 1;
  }
}
static void matrix_mul_line_tilde_col(t_matrix_mul_line_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int row, col, nth_col, i;
  t_float *matcur = x->x_matcur;
  t_float *matend = x->x_matend;
if(argc<1)
  {
    post("matrix_mul_line~ : bad col: <int> in_cols !");
    return;
  }
nth_col = atom_getint(argv) - 1;
  argv++;
  argc--;
col = x->x_n_in;
  if((nth_col < 0)||(nth_col >= col))
  {
    post("matrix_mul_line~ : col dimensions do not match !!");
    return;
  }
  row = x->x_n_out;
  if(argc < row)
  {
    post("matrix_mul_line~ : row dimensions do not match !!");
    return;
  }
matend += nth_col;
  matcur += nth_col;
  if(x->x_time_ms <= 0.0f)
  {
    for(i=0; i<row; i++)
    {
      *matend = *matcur = atom_getfloat(argv);
      argv++;
      matend += col;
      matcur += col;
    }
    x->x_remaining_ticks = x->x_retarget = 0;
  }
  else
  {
    for(i=0; i<row; i++)
    {
      *matend = atom_getfloat(argv);
      argv++;
      matend += col;
      matcur += col;
    }
    x->x_retarget = 1;
  }
}
static void matrix_mul_line_tilde_stop(t_matrix_mul_line_tilde *x)
{
  int i = x->x_n_out*x->x_n_in;
  t_float *matend=x->x_matend;
  t_float *matcur=x->x_matcur;
while(i--)
  {
    *matend++ = *matcur++;
  }
  x->x_remaining_ticks = x->x_retarget = 0;
}
/* the dsp thing */
static t_int *matrix_mul_line_tilde_perform_zero(t_int *w)
{
  t_matrix_mul_line_tilde *x = (t_matrix_mul_line_tilde *)(w[1]);
  int n = (int)(w[2]);
  t_float **io = x->x_io;
  int n_in = x->x_n_in;   /* columns */
  int n_out = x->x_n_out; /* rows */
  t_float *out;
  int r, i;
for(r=0; r<n_out; r++)/* output-vector-row */
  {
    out = io[n_in+r];
    for(i=0; i<n; i++)
      *out++ = 0.0f;
  }
  return (w+3);
}
static t_int *matrix_mul_line_tilde_perf8(t_int *w)
{
  t_matrix_mul_line_tilde *x = (t_matrix_mul_line_tilde *)(w[1]);
  int n = (int)(w[2]);
  t_float **io = x->x_io;
  t_float *outsum, *houtsum;
  t_float *matcur, *matend;
  t_float *inc1 ,*biginc, inc;
  int n_in = x->x_n_in;   /* columns */
  int n_out = x->x_n_out; /* rows */
  t_float *in, *out, mul, bigmul;
  int r, c, i;
if(x->x_retarget)
  {
    int nticks = (int)(x->x_time_ms * x->x_ms2tick);
if(!nticks)
      nticks = 1;
    x->x_remaining_ticks = nticks;
    inc1 = x->x_inc;
    biginc = x->x_biginc;
    matcur = x->x_matcur;
    matend = x->x_matend;
    mul = x->x_1overn / (t_float)nticks;
    bigmul = 1.0f / (t_float)nticks;
    i = n_out*n_in;
    while(i--)
    {
      inc = *matend++ - *matcur++;
      *inc1++ = inc * mul;
      *biginc++ = inc * bigmul;
    }
    x->x_retarget = 0;
    //post("time = %f ms, ticks = %d, inc = %f", x->x_time_ms, nticks, *inc);
  }
if(x->x_remaining_ticks)
  {
    inc1 = x->x_inc;
    biginc = x->x_biginc;
    matcur = x->x_matcur;
    /* 1. output-vector-row */
    in = io[0];
    houtsum = x->x_outsumbuf;
    outsum = houtsum;
    inc = *inc1++;
    mul = *matcur;
    for(i=n; i; i -= 8, outsum += 8, in += 8)
    {
      outsum[0] = in[0] * mul;
      mul += inc;
      outsum[1] = in[1] * mul;
      mul += inc;
      outsum[2] = in[2] * mul;
      mul += inc;
      outsum[3] = in[3] * mul;
      mul += inc;
      outsum[4] = in[4] * mul;
      mul += inc;
      outsum[5] = in[5] * mul;
      mul += inc;
      outsum[6] = in[6] * mul;
      mul += inc;
      outsum[7] = in[7] * mul;
      mul += inc;
    }
    *matcur++ += *biginc++;
    for(c=1; c<n_in; c++)/* c+1. element of 1. row */
    {
      in = io[c];
      outsum = houtsum;
      inc = *inc1++;
      mul = *matcur;
      for(i=n; i; i -= 8, outsum += 8, in += 8)
      {
        outsum[0] += in[0] * mul;
        mul += inc;
        outsum[1] += in[1] * mul;
        mul += inc;
        outsum[2] += in[2] * mul;
        mul += inc;
        outsum[3] += in[3] * mul;
        mul += inc;
        outsum[4] += in[4] * mul;
        mul += inc;
        outsum[5] += in[5] * mul;
        mul += inc;
        outsum[6] += in[6] * mul;
        mul += inc;
        outsum[7] += in[7] * mul;
        mul += inc;
      }
      *matcur++ += *biginc++;
    }
    for(r=1; r<n_out; r++)/* 2. .. n_out. output-vector-row */
    {
      in = io[0];
      houtsum += n;
      outsum = houtsum;
      inc = *inc1++;
      mul = *matcur;
      for(i=n; i; i -= 8, outsum += 8, in += 8)
      {
        outsum[0] = in[0] * mul;
        mul += inc;
        outsum[1] = in[1] * mul;
        mul += inc;
        outsum[2] = in[2] * mul;
        mul += inc;
        outsum[3] = in[3] * mul;
        mul += inc;
        outsum[4] = in[4] * mul;
        mul += inc;
        outsum[5] = in[5] * mul;
        mul += inc;
        outsum[6] = in[6] * mul;
        mul += inc;
        outsum[7] = in[7] * mul;
        mul += inc;
      }
      *matcur++ += *biginc++;
      for(c=1; c<n_in; c++)/* c+1. element of r+1. row */
      {
        in = io[c];
        outsum = houtsum;
        inc = *inc1++;
        mul = *matcur;
        for(i=n; i; i -= 8, outsum += 8, in += 8)
        {
          outsum[0] += in[0] * mul;
          mul += inc;
          outsum[1] += in[1] * mul;
          mul += inc;
          outsum[2] += in[2] * mul;
          mul += inc;
          outsum[3] += in[3] * mul;
          mul += inc;
          outsum[4] += in[4] * mul;
          mul += inc;
          outsum[5] += in[5] * mul;
          mul += inc;
          outsum[6] += in[6] * mul;
          mul += inc;
          outsum[7] += in[7] * mul;
          mul += inc;
        }
        *matcur++ += *biginc++;
      }
    }
if(!--x->x_remaining_ticks)
    {
      matcur = x->x_matcur;
      matend = x->x_matend;
      i = n_in * n_out;
      while(i--)
        *matcur++ = *matend++;
    }
  }
  else
  {
    matend = x->x_matend;
    /* 1. output-vector-row */
    in = io[0];
    houtsum = x->x_outsumbuf;
    outsum = houtsum;
    mul = *matend++;
    if(mul == 0.0f)
    {
      for(i=n; i; i -= 8, outsum += 8, in += 8)
      {
        outsum[0] = 0.0f;
        outsum[1] = 0.0f;
        outsum[2] = 0.0f;
        outsum[3] = 0.0f;
        outsum[4] = 0.0f;
        outsum[5] = 0.0f;
        outsum[6] = 0.0f;
        outsum[7] = 0.0f;
      }
    }
    else
    {
      for(i=n; i; i -= 8, outsum += 8, in += 8)
      {
        outsum[0] = in[0] * mul;
        outsum[1] = in[1] * mul;
        outsum[2] = in[2] * mul;
        outsum[3] = in[3] * mul;
        outsum[4] = in[4] * mul;
        outsum[5] = in[5] * mul;
        outsum[6] = in[6] * mul;
        outsum[7] = in[7] * mul;
      }
    }
    for(c=1; c<n_in; c++)/* c+1. element of 1. row */
    {
      in = io[c];
      outsum = houtsum;
      mul = *matend++;
      if(mul != 0.0f)
      {
        for(i=n; i; i -= 8, outsum += 8, in += 8)
        {
          outsum[0] += in[0] * mul;
          outsum[1] += in[1] * mul;
          outsum[2] += in[2] * mul;
          outsum[3] += in[3] * mul;
          outsum[4] += in[4] * mul;
          outsum[5] += in[5] * mul;
          outsum[6] += in[6] * mul;
          outsum[7] += in[7] * mul;
        }
      }
    }
    for(r=1; r<n_out; r++)/* 2. .. n_out. output-vector-row */
    {
      in = io[0];
      houtsum += n;
      outsum = houtsum;
      mul = *matend++;
      if(mul == 0.0f)
      {
        for(i=n; i; i -= 8, outsum += 8, in += 8)
        {
          outsum[0] = 0.0f;
          outsum[1] = 0.0f;
          outsum[2] = 0.0f;
          outsum[3] = 0.0f;
          outsum[4] = 0.0f;
          outsum[5] = 0.0f;
          outsum[6] = 0.0f;
          outsum[7] = 0.0f;
        }
      }
      else
      {
        for(i=n; i; i -= 8, outsum += 8, in += 8)
        {
          outsum[0] = in[0] * mul;
          outsum[1] = in[1] * mul;
          outsum[2] = in[2] * mul;
          outsum[3] = in[3] * mul;
          outsum[4] = in[4] * mul;
          outsum[5] = in[5] * mul;
          outsum[6] = in[6] * mul;
          outsum[7] = in[7] * mul;
        }
      }
      for(c=1; c<n_in; c++)/* c+1. element of r+1. row */
      {
        in = io[c];
        outsum = houtsum;
        mul = *matend++;
        if(mul != 0.0f)
        {
          for(i=n; i; i -= 8, outsum += 8, in += 8)
          {
            outsum[0] += in[0] * mul;
            outsum[1] += in[1] * mul;
            outsum[2] += in[2] * mul;
            outsum[3] += in[3] * mul;
            outsum[4] += in[4] * mul;
            outsum[5] += in[5] * mul;
            outsum[6] += in[6] * mul;
            outsum[7] += in[7] * mul;
          }
        }
      }
    }
  }
  outsum = x->x_outsumbuf;
  for(r=0; r<n_out; r++)/* output-vector-row */
  {
    out = io[n_in+r];
    for (i=n; i; i -= 8, out += 8, outsum += 8)
    {
      out[0] = outsum[0];
      out[1] = outsum[1];
      out[2] = outsum[2];
      out[3] = outsum[3];
      out[4] = outsum[4];
      out[5] = outsum[5];
      out[6] = outsum[6];
      out[7] = outsum[7];
    }
  }
  return (w+3);
}
static void matrix_mul_line_tilde_dsp(t_matrix_mul_line_tilde *x, t_signal **sp)
{
  int i, n=sp[0]->s_n*x->x_n_out;
if(!x->x_outsumbuf)
  {
    x->x_outsumbufsize = n;
    x->x_outsumbuf = (t_float *)getbytes(x->x_outsumbufsize * sizeof(t_float));
  }
  else if(x->x_outsumbufsize != n)
  {
    x->x_outsumbuf = (t_float *)resizebytes(x->x_outsumbuf, x->x_outsumbufsize*sizeof(t_float), n*sizeof(t_float));
    x->x_outsumbufsize = n;
  }
n = x->x_n_in + x->x_n_out;
  for(i=0; i<n; i++)
    x->x_io[i] = sp[i]->s_vec;
n = sp[0]->s_n;
  x->x_ms2tick = 0.001f * (t_float)(sp[0]->s_sr) / (t_float)n;
  x->x_1overn = 1.0f / (t_float)n;
if(n&7)
  {
    dsp_add(matrix_mul_line_tilde_perform_zero, 2, x, n);
    post("ERROR!!! matrix_mul_line~ : blocksize is %d and not a multiple of 8", n);
  }
  else
    dsp_add(matrix_mul_line_tilde_perf8, 2, x, n);
}
/* setup/setdown things */
static void matrix_mul_line_tilde_free(t_matrix_mul_line_tilde *x)
{
  freebytes(x->x_matcur, x->x_n_in * x->x_n_out * sizeof(t_float));
  freebytes(x->x_matend, x->x_n_in * x->x_n_out * sizeof(t_float));
  freebytes(x->x_inc, x->x_n_in * x->x_n_out * sizeof(t_float));
  freebytes(x->x_biginc, x->x_n_in * x->x_n_out * sizeof(t_float));
  freebytes(x->x_io, (x->x_n_in + x->x_n_out) * sizeof(t_float *));
  if(x->x_outsumbuf)
    freebytes(x->x_outsumbuf, x->x_outsumbufsize * sizeof(t_float));
}
static void *matrix_mul_line_tilde_new(t_symbol *s, int argc, t_atom *argv)
{
  t_matrix_mul_line_tilde *x = (t_matrix_mul_line_tilde *)pd_new(matrix_mul_line_tilde_class);
  int i, n;
switch(argc)
  {
  case 0:
    x->x_n_in = x->x_n_out = 1;
    x->x_time_ms = 50.0f;
    break;
  case 1:
    x->x_n_in = x->x_n_out = (int)atom_getint(argv);
    x->x_time_ms = 50.0f;
    break;
  case 2:
    x->x_n_in = (int)atom_getint(argv);
    x->x_n_out = (int)atom_getint(argv+1);
    x->x_time_ms = 50.0f;
    break;
  default:
    x->x_n_in = (int)atom_getint(argv);
    x->x_n_out = (int)atom_getint(argv+1);
    x->x_time_ms = atom_getfloat(argv+2);
    break;
  }
if(x->x_time_ms < 0.0f)
    x->x_time_ms = 50.0f;
  if(x->x_n_in < 1)
    x->x_n_in = 1;
  if(x->x_n_out < 1)
    x->x_n_out = 1;
  i = x->x_n_in - 1;
  while(i--)
    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
  i = x->x_n_out;
  while(i--)
    outlet_new(&x->x_obj, &s_signal);
  x->x_msi = 0;
  x->x_outsumbuf = (t_float *)0;
  x->x_outsumbufsize = 0;
  x->x_matcur = (t_float *)getbytes(x->x_n_in * x->x_n_out * sizeof(t_float));
  x->x_matend = (t_float *)getbytes(x->x_n_in * x->x_n_out * sizeof(t_float));
  x->x_inc = (t_float *)getbytes(x->x_n_in * x->x_n_out * sizeof(t_float));
  x->x_biginc = (t_float *)getbytes(x->x_n_in * x->x_n_out * sizeof(t_float));
  x->x_io = (t_float **)getbytes((x->x_n_in + x->x_n_out) * sizeof(t_float *));
  x->x_ms2tick = 0.001f * 44100.0f / 64.0f;
  x->x_1overn = 1.0f / 64.0f;
  x->x_remaining_ticks = 0;
  x->x_retarget = 0;
n = x->x_n_in * x->x_n_out;
  for(i=0; i<n; i++)
  {
    x->x_matcur[i] = 0.0f;
    x->x_matend[i] = 0.0f;
    x->x_inc[i] = 0.0f;
    x->x_biginc[i] = 0.0f;
  }
  return (x);
}
void matrix_mul_line_tilde_setup(void)
{
  matrix_mul_line_tilde_class = class_new(gensym("matrix_mul_line~"), (t_newmethod)matrix_mul_line_tilde_new, (t_method)matrix_mul_line_tilde_free,
    sizeof(t_matrix_mul_line_tilde), 0, A_GIMME, 0);
  CLASS_MAINSIGNALIN(matrix_mul_line_tilde_class, t_matrix_mul_line_tilde, x_msi);
  class_addmethod(matrix_mul_line_tilde_class, (t_method)matrix_mul_line_tilde_dsp, gensym("dsp"), 0);
  class_addmethod(matrix_mul_line_tilde_class, (t_method)matrix_mul_line_tilde_matrix, gensym("matrix"), A_GIMME, 0);
  class_addmethod(matrix_mul_line_tilde_class, (t_method)matrix_mul_line_tilde_element, gensym("element"), A_GIMME, 0);
  class_addmethod(matrix_mul_line_tilde_class, (t_method)matrix_mul_line_tilde_row, gensym("row"), A_GIMME, 0);
  class_addmethod(matrix_mul_line_tilde_class, (t_method)matrix_mul_line_tilde_col, gensym("col"), A_GIMME, 0);
  class_addmethod(matrix_mul_line_tilde_class, (t_method)matrix_mul_line_tilde_stop, gensym("stop"), 0);
  class_addmethod(matrix_mul_line_tilde_class, (t_method)matrix_mul_line_tilde_time, gensym("time"), A_FLOAT, 0);
  class_sethelpsymbol(matrix_mul_line_tilde_class, gensym("iemhelp2/matrix_mul_line~-help"));
}
--- NEW FILE: matrix_diag_mul_line~.c ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_matrix written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
/* ---------- matrix_diag_mul_line~ - signal matrix multiplication object with message matrix-coeff. ----------- */
typedef struct matrix_diag_mul_line_tilde
{
  t_object  x_obj;
  t_float   *x_matcur;
  t_float   *x_matend;
  t_float   *x_inc;
  t_float   *x_biginc;
  t_float   **x_io;
  t_float   *x_buf;
  int       x_bufsize;
  int       x_n_io;
  t_float   x_msi;
  int       x_retarget;
  t_float   x_time_ms;
  int       x_remaining_ticks;
  t_float   x_ms2tick;
  t_float   x_1overn;
} t_matrix_diag_mul_line_tilde;
t_class *matrix_diag_mul_line_tilde_class;
static void matrix_diag_mul_line_tilde_time(t_matrix_diag_mul_line_tilde *x, t_floatarg time_ms)
{
  if(time_ms <= 0.0f)
    time_ms = 0.0f;
  x->x_time_ms = time_ms;
}
static void matrix_diag_mul_line_tilde_element(t_matrix_diag_mul_line_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int i, j, n=x->x_n_io;
  t_float *matcur = x->x_matcur;
  t_float *matend = x->x_matend;
if(x->x_time_ms <= 0.0f)
  {
    if(argc == 2)
    {
      i = (int)(atom_getint(argv));
      argv++;
      if((i >= 1) && (i <= n))
        matend[i-1] = matcur[i-1] = atom_getfloat(argv);
    }
    else if(argc == 3)
    {
      i = (int)(atom_getint(argv));
      argv++;
      j = (int)(atom_getint(argv));
      argv++;
      if((i >= 1) && (i <= n) && (i == j))
        matend[i-1] = matcur[i-1] = atom_getfloat(argv);
    }
    x->x_remaining_ticks = x->x_retarget = 0;
  }
  else
  {
    if(argc == 2)
    {
      i = (int)(atom_getint(argv));
      argv++;
      if((i >= 1) && (i <= n))
        matend[i-1] = atom_getfloat(argv);
    }
    else if(argc == 3)
    {
      i = (int)(atom_getint(argv));
      argv++;
      j = (int)(atom_getint(argv));
      argv++;
      if((i >= 1) && (i <= n) && (i == j))
        matend[i-1] = atom_getfloat(argv);
    }
    x->x_retarget = 1;
  }
}
static void matrix_diag_mul_line_tilde_list(t_matrix_diag_mul_line_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  int i, n=x->x_n_io;
  t_float *matcur = x->x_matcur;
  t_float *matend = x->x_matend;
if(argc < n)
  {
    post("matrix_diag_mul_line~ : dimensions do not match !!");
    return;
  }
if(x->x_time_ms <= 0.0f)
  {
    for(i=0; i<n; i++)
    {
      *matend++ = *matcur++ = atom_getfloat(argv);
      argv++;
    }
    x->x_remaining_ticks = x->x_retarget = 0;
  }
  else
  {
    for(i=0; i<n; i++)
    {
      *matend++ = atom_getfloat(argv);
      argv++;
    }
    x->x_retarget = 1;
  }
}
static void matrix_diag_mul_line_tilde_diag(t_matrix_diag_mul_line_tilde *x, t_symbol *s, int argc, t_atom *argv)
{
  matrix_diag_mul_line_tilde_list(x, &s_list, argc, argv);
}
static void matrix_diag_mul_line_tilde_stop(t_matrix_diag_mul_line_tilde *x)
{
  int i = x->x_n_io;
  t_float *matend=x->x_matend;
  t_float *matcur=x->x_matcur;
while(i--)
  {
    *matend++ = *matcur++;
  }
  x->x_remaining_ticks = x->x_retarget = 0;
}
/* the dsp thing */
static t_int *matrix_diag_mul_line_tilde_perform_zero(t_int *w)
{
  t_matrix_diag_mul_line_tilde *x = (t_matrix_diag_mul_line_tilde *)(w[1]);
  int n = (int)(w[2]);
  t_float **io = x->x_io;
  int n_io = x->x_n_io;
  t_float *out;
  int i, j;
for(j=0; j<n_io; j++)/* output-vector-row */
  {
    out = io[n_io+j];
    for(i=0; i<n; i++)
      *out++ = 0.0f;
  }
  return (w+3);
}
static t_int *matrix_diag_mul_line_tilde_perf8(t_int *w)
{
  t_matrix_diag_mul_line_tilde *x = (t_matrix_diag_mul_line_tilde *)(w[1]);
  int n = (int)(w[2]);
  t_float **io = x->x_io;
  t_float *buf;
  t_float *matcur, *matend;
  t_float *incp, *biginc, inc;
  int n_io = x->x_n_io;
  int hn_io = n_io / 2;
  int dn_io = 2 * n_io;
  t_float *in, *out1, *out2, mul;
  int i, j;
if(x->x_retarget)
  {
    int nticks = (int)(x->x_time_ms * x->x_ms2tick);
if(!nticks)
      nticks = 1;
    x->x_remaining_ticks = nticks;
    j = n_io;
    incp = x->x_inc;
    matcur = x->x_matcur;
    matend = x->x_matend;
    mul = x->x_1overn / (t_float)nticks;
    while(j--)
    {
      *incp++ = (*matend++ - *matcur++) * mul;
    }
    j = n_io;
    biginc = x->x_biginc;
    matcur = x->x_matcur;
    matend = x->x_matend;
    mul = 1.0f / (t_float)nticks;
    while(j--)
    {
      *biginc++ = (*matend++ - *matcur++) * mul;
    }
    x->x_retarget = 0;
  }
if(x->x_remaining_ticks)
  {
    incp = x->x_inc;
    biginc = x->x_biginc;
    matcur = x->x_matcur;
    for(j=0; j<n_io; j++)
    {
      inc = incp[j];
      mul = matcur[j];
      in = io[j];
      for(i=n; i; i -= 8, in += 8)
      {
        in[0] *= mul;
        mul += inc;
        in[1] *= mul;
        mul += inc;
        in[2] *= mul;
        mul += inc;
        in[3] *= mul;
        mul += inc;
        in[4] *= mul;
        mul += inc;
        in[5] *= mul;
        mul += inc;
        in[6] *= mul;
        mul += inc;
        in[7] *= mul;
        mul += inc;
      }
      matcur[j] += biginc[j];
    }
    if(!--x->x_remaining_ticks)
    {
      matcur = x->x_matcur;
      matend = x->x_matend;
      i = n_io;
      while(i--)
        *matcur++ = *matend++;
    }
  }
  else
  {
    matend = x->x_matend;
    for(j=0; j<n_io; j++)
    {
      mul = matend[j];
      in = io[j];
      for(i=n; i; i -= 8, in += 8)
      {
        in[0] *= mul;
        in[1] *= mul;
        in[2] *= mul;
        in[3] *= mul;
        in[4] *= mul;
        in[5] *= mul;
        in[6] *= mul;
        in[7] *= mul;
      }
    }
  }
for(j=0; j<hn_io; j++)
  {
    in = io[j];
    buf = x->x_buf;
    for(i=n; i; i -= 8, buf += 8, in += 8)
    {
      buf[0] = in[0];
      buf[1] = in[1];
      buf[2] = in[2];
      buf[3] = in[3];
      buf[4] = in[4];
      buf[5] = in[5];
      buf[6] = in[6];
      buf[7] = in[7];
    }
    in = io[n_io-j-1];
    out1 = io[j+n_io];
    out2 = io[dn_io-j-1];
    buf = x->x_buf;
    for(i=n; i; i -= 8, buf += 8, in += 8, out1 += 8, out2 += 8)
    {
      out2[0] = in[0];
      out2[1] = in[1];
      out2[2] = in[2];
      out2[3] = in[3];
      out2[4] = in[4];
      out2[5] = in[5];
      out2[6] = in[6];
      out2[7] = in[7];
      out1[0] = buf[0];
      out1[1] = buf[1];
      out1[2] = buf[2];
      out1[3] = buf[3];
      out1[4] = buf[4];
      out1[5] = buf[5];
      out1[6] = buf[6];
      out1[7] = buf[7];
    }
  }
  return (w+3);
}
static void matrix_diag_mul_line_tilde_dsp(t_matrix_diag_mul_line_tilde *x, t_signal **sp)
{
  int i, n=sp[0]->s_n;
if(!x->x_buf)
  {
    x->x_bufsize = n;
    x->x_buf = (t_float *)getbytes(x->x_bufsize * sizeof(t_float));
  }
  else if(x->x_bufsize != n)
  {
    x->x_buf = (t_float *)resizebytes(x->x_buf, x->x_bufsize*sizeof(t_float), n*sizeof(t_float));
    x->x_bufsize = n;
  }
n = 2 * x->x_n_io;
  for(i=0; i<n; i++)
  {
    x->x_io[i] = sp[i]->s_vec;
    //    post("iovec_addr = %d", (unsigned int)x->x_io[i]);
  }
n = sp[0]->s_n;
  x->x_ms2tick = 0.001f * (t_float)(sp[0]->s_sr) / (t_float)n;
  x->x_1overn = 1.0f / (t_float)n;
if(n&7)
    dsp_add(matrix_diag_mul_line_tilde_perform_zero, 2, x, n);
  else
    dsp_add(matrix_diag_mul_line_tilde_perf8, 2, x, n);
}
/* setup/setdown things */
static void matrix_diag_mul_line_tilde_free(t_matrix_diag_mul_line_tilde *x)
{
  freebytes(x->x_matcur, x->x_n_io * sizeof(t_float));
  freebytes(x->x_matend, x->x_n_io * sizeof(t_float));
  freebytes(x->x_inc, x->x_n_io * sizeof(t_float));
  freebytes(x->x_biginc, x->x_n_io * sizeof(t_float));
  freebytes(x->x_io, 2 * x->x_n_io * sizeof(t_float *));
  if(x->x_buf)
    freebytes(x->x_buf, x->x_bufsize * sizeof(t_float));
}
static void *matrix_diag_mul_line_tilde_new(t_symbol *s, int argc, t_atom *argv)
{
  t_matrix_diag_mul_line_tilde *x = (t_matrix_diag_mul_line_tilde *)pd_new(matrix_diag_mul_line_tilde_class);
  int i, n;
switch (argc)
  {
  case 0:
    x->x_n_io = 1;
    x->x_time_ms = 50.0f;
    break;
  case 1:
    x->x_n_io = (int)atom_getint(argv);
    x->x_time_ms = 50.0f;
    break;
  default:
    x->x_n_io = (int)atom_getint(argv);
    x->x_time_ms = atom_getfloat(argv+1);
    break;
  }
if(x->x_time_ms < 0.0f)
    x->x_time_ms = 50.0f;
  if(x->x_n_io < 1)
    x->x_n_io = 1;
  i = x->x_n_io - 1;
  while(i--)
    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
  i = x->x_n_io;
  while(i--)
    outlet_new(&x->x_obj, &s_signal);
  x->x_msi = 0;
  x->x_buf = (t_float *)0;
  x->x_bufsize = 0;
  x->x_matcur = (t_float *)getbytes(x->x_n_io * sizeof(t_float));
  x->x_matend = (t_float *)getbytes(x->x_n_io * sizeof(t_float));
  x->x_inc = (t_float *)getbytes(x->x_n_io * sizeof(t_float));
  x->x_biginc = (t_float *)getbytes(x->x_n_io * sizeof(t_float));
  x->x_io = (t_float **)getbytes(2 * x->x_n_io * sizeof(t_float *));
  x->x_ms2tick = 0.001f * 44100.0f / 64.0f;
  x->x_1overn = 1.0f / 64.0f;
  x->x_remaining_ticks = 0;
  x->x_retarget = 0;
n = x->x_n_io;
  for(i=0; i<n; i++)
  {
    x->x_matcur[i] = 0.0f;
    x->x_matend[i] = 0.0f;
    x->x_inc[i] = 0.0f;
    x->x_biginc[i] = 0.0f;
  }
  return(x);
}
void matrix_diag_mul_line_tilde_setup(void)
{
  matrix_diag_mul_line_tilde_class = class_new(gensym("matrix_diag_mul_line~"), (t_newmethod)matrix_diag_mul_line_tilde_new, (t_method)matrix_diag_mul_line_tilde_free,
    sizeof(t_matrix_diag_mul_line_tilde), 0, A_GIMME, 0);
  CLASS_MAINSIGNALIN(matrix_diag_mul_line_tilde_class, t_matrix_diag_mul_line_tilde, x_msi);
  class_addmethod(matrix_diag_mul_line_tilde_class, (t_method)matrix_diag_mul_line_tilde_dsp, gensym("dsp"), 0);
  class_addmethod(matrix_diag_mul_line_tilde_class, (t_method)matrix_diag_mul_line_tilde_diag, gensym("diag"), A_GIMME, 0);
  class_addmethod(matrix_diag_mul_line_tilde_class, (t_method)matrix_diag_mul_line_tilde_element, gensym("element"), A_GIMME, 0);
  class_addlist(matrix_diag_mul_line_tilde_class, (t_method)matrix_diag_mul_line_tilde_list);
  class_addmethod(matrix_diag_mul_line_tilde_class, (t_method)matrix_diag_mul_line_tilde_stop, gensym("stop"), 0);
  class_addmethod(matrix_diag_mul_line_tilde_class, (t_method)matrix_diag_mul_line_tilde_time, gensym("time"), A_FLOAT, 0);
  class_sethelpsymbol(matrix_diag_mul_line_tilde_class, gensym("iemhelp2/matrix_diag_mul_line~-help"));
}
--- NEW FILE: iem_matrix.dsw ---
(This appears to be a binary file; contents omitted.)