Update of /cvsroot/pure-data/externals/zexy/src
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv13982
Modified Files:
z_tabread4.c
Log Message:
added range for [tabdump]
added [tabminmax] (works also with ranges)
Index: z_tabread4.c
===================================================================
RCS file: /cvsroot/pure-data/externals/zexy/src/z_tabread4.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** z_tabread4.c 21 Jul 2004 13:20:52 -0000 1.2
--- z_tabread4.c 3 Feb 2005 17:20:09 -0000 1.3
***************
*** 14,20 ****
t_object x_obj;
t_symbol *x_arrayname;
} t_tabdump;
! static void tabdump_bang(t_tabdump *x, t_float findex)
{
t_garray *A;
--- 14,21 ----
t_object x_obj;
t_symbol *x_arrayname;
+ t_int startindex, stopindex;
} t_tabdump;
! static void tabdump_bang(t_tabdump *x)
{
t_garray *A;
***************
*** 29,34 ****
{
int n;
! t_atom *atombuf = (t_atom *)getbytes(sizeof(t_atom)*npoints);
! for (n = 0; n < npoints; n++) SETFLOAT(&atombuf[n], vec[n]);
outlet_list(x->x_obj.ob_outlet, &s_list, npoints, atombuf);
freebytes(atombuf,sizeof(t_atom)*npoints);
--- 30,43 ----
{
int n;
! t_atom *atombuf;
!
! int start=x->startindex;
! int stop =x->stopindex;
! if(start<0||start>stop)start=0;
! if(stop<start||stop>npoints)stop=npoints;
! npoints=stop-start;
!
! atombuf = (t_atom *)getbytes(sizeof(t_atom)*npoints);
! for (n = 0; n < npoints; n++) SETFLOAT(&atombuf[n], vec[start+n]);
outlet_list(x->x_obj.ob_outlet, &s_list, npoints, atombuf);
freebytes(atombuf,sizeof(t_atom)*npoints);
***************
*** 36,39 ****
--- 45,63 ----
}
+ static void tabdump_list(t_tabdump *x, t_symbol*s,int argc, t_atom*argv)
+ {
+ int a,b;
+ switch(argc){
+ case 2:
+ a=atom_getint(argv);
+ b=atom_getint(argv+1);
+ x->startindex=(a<b)?a:b;
+ x->stopindex =(a>b)?a:b;
+ tabdump_bang(x);
+ break;
+ default:
+ error("tabdump: list must be 2 floats (is %d atoms)", argc);
+ }
+ }
static void tabdump_set(t_tabdump *x, t_symbol *s)
***************
*** 46,49 ****
--- 70,75 ----
t_tabdump *x = (t_tabdump *)pd_new(tabdump_class);
x->x_arrayname = s;
+ x->startindex=0;
+ x->stopindex=-1;
outlet_new(&x->x_obj, &s_list);
***************
*** 66,69 ****
--- 92,97 ----
0, sizeof(t_tabdump), 0, A_DEFSYM, 0);
class_addbang(tabdump_class, (t_method)tabdump_bang);
+ class_addlist(tabdump_class, (t_method)tabdump_list);
+
class_addmethod(tabdump_class, (t_method)tabdump_set, gensym("set"),
A_SYMBOL, 0);
***************
*** 73,76 ****
--- 101,224 ----
}
+ /* =================== tabminmax ====================== */
+
+ static t_class *tabminmax_class;
+
+ typedef struct _tabminmax
+ {
+ t_object x_obj;
+ t_outlet*min_out, *max_out;
+ t_symbol *x_arrayname;
+ t_int startindex, stopindex;
+ } t_tabminmax;
+
+ static void tabminmax_bang(t_tabminmax *x)
+ {
+ t_garray *A;
+ int npoints;
+ t_float *vec;
+
+ if (!(A = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class)))
+ error("%s: no such array", x->x_arrayname->s_name);
+ else if (!garray_getfloatarray(A, &npoints, &vec))
+ error("%s: bad template for tabminmax", x->x_arrayname->s_name);
+ else
+ {
+ int n;
+ t_atom atombuf[2];
+ t_float min, max;
+ int mindex, maxdex;
+
+ int start=x->startindex;
+ int stop =x->stopindex;
+ if(start<0||start>stop)start=0;
+ if(stop<start||stop>npoints)stop=npoints;
+ npoints=stop-start;
+
+ min=vec[start];
+ max=vec[start];
+
+ mindex=start;
+ maxdex=start;
+
+ for (n = 1; n < npoints; n++){
+ t_float val=vec[start+n];
+ if(val<min){
+ mindex=start+n;
+ min=val;
+ }
+ if(val>max){
+ maxdex=start+n;
+ max=val;
+ }
+ }
+
+ SETFLOAT(atombuf, max);
+ SETFLOAT(atombuf+1, maxdex);
+ outlet_list(x->max_out, &s_list, 2, atombuf);
+
+ SETFLOAT(atombuf, min);
+ SETFLOAT(atombuf+1, mindex);
+ outlet_list(x->min_out, &s_list, 2, atombuf);
+ }
+ }
+
+ static void tabminmax_list(t_tabminmax *x, t_symbol*s,int argc, t_atom*argv)
+ {
+ int a,b;
+ switch(argc){
+ case 2:
+ a=atom_getint(argv);
+ b=atom_getint(argv+1);
+ x->startindex=(a<b)?a:b;
+ x->stopindex =(a>b)?a:b;
+ tabminmax_bang(x);
+ break;
+ default:
+ error("tabminmax: list must be 2 floats (is %d atoms)", argc);
+ }
+ }
+
+ static void tabminmax_set(t_tabminmax *x, t_symbol *s)
+ {
+ x->x_arrayname = s;
+ }
+
+ static void *tabminmax_new(t_symbol *s)
+ {
+ t_tabminmax *x = (t_tabminmax *)pd_new(tabminmax_class);
+ x->x_arrayname = s;
+ x->startindex=0;
+ x->stopindex=-1;
+ x->min_out=outlet_new(&x->x_obj, &s_list);
+ x->max_out=outlet_new(&x->x_obj, &s_list);
+
+ return (x);
+ }
+
+ static void tabminmax_helper(void)
+ {
+ post("\n%c tabminmax - object : dumps a table as a package of floats", HEARTSYMBOL);
+ post("'set <table>'\t: read out another table\n"
+ "'bang'\t\t: get min and max of the table\n"
+ "outlet\t\t: table-data as package of floats");
+ post("creation\t: \"tabminmax <table>\"");
+
+ }
+
+ static void tabminmax_setup(void)
+ {
+ tabminmax_class = class_new(gensym("tabminmax"), (t_newmethod)tabminmax_new,
+ 0, sizeof(t_tabminmax), 0, A_DEFSYM, 0);
+ class_addbang(tabminmax_class, (t_method)tabminmax_bang);
+ class_addlist(tabminmax_class, (t_method)tabminmax_list);
+
+ class_addmethod(tabminmax_class, (t_method)tabminmax_set, gensym("set"),
+ A_SYMBOL, 0);
+
+ class_addmethod(tabminmax_class, (t_method)tabminmax_helper, gensym("help"), 0);
+ class_sethelpsymbol(tabminmax_class, gensym("zexy/tabminmax"));
+ }
+
/* =================== tabset ====================== */
***************
*** 160,163 ****
--- 308,312 ----
{
tabdump_setup();
+ tabminmax_setup();
tabset_setup();
}