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/*
* iemmatrix
*
* objects for manipulating simple matrices
* mostly refering to matlab/octave matrix functions
*
* Copyright (c) IOhannes m zmölnig, forum::für::umläute
* IEM, Graz, Austria
*
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
*
*/
#include "iemmatrix.h"
/*
mtx_isequal
*/
/* mtx_isequal */
static t_class *mtx_isequal_class, *mtx_isequalscalar_class;
static void mtx_isequalscalar_matrix(t_mtx_binscalar *x, t_symbol *s, int argc, t_atom *argv)
{
int n=argc-2;
int row=atom_getfloat(argv), col=atom_getfloat(argv+1);
t_float offset=x->f;
t_atom *buf;
t_atom *ap=argv+2;
if(argc<2){post("mtx_isequal: crippled matrix");return; }
while(n--){
if(atom_getfloat(ap)!=offset) {
outlet_float(x->x_obj.ob_outlet, (t_float)0);
return;
}
ap++;
}
outlet_float(x->x_obj.ob_outlet, (t_float)1);
}
static void mtx_isequalscalar_list(t_mtx_binscalar *x, t_symbol *s, int argc, t_atom *argv)
{
int n=argc;
t_atom *ap=argv;
t_float offset = x->f;
while(n--){
if(atom_getfloat(ap)!=offset) {
outlet_float(x->x_obj.ob_outlet, (t_float)0);
return;
}
ap++;
}
outlet_float(x->x_obj.ob_outlet, (t_float)1);
}
static void mtx_isequal_matrix(t_mtx_binmtx *x, t_symbol *s, int argc, t_atom *argv)
{
int row=atom_getfloat(argv);
int col=atom_getfloat(argv+1);
t_atom *m;
t_atom *m1 = argv+2;
t_atom *m2 = x->m2.atombuffer+2;
int n = argc-2;
if (argc<2){ post("mtx_isequal: crippled matrix"); return; }
if ((col<1)||(row<1)) { post("mtx_isequal: invalid dimensions"); return; }
if (col*row>argc-2){ post("sparse matrix not yet supported : use \"mtx_check\""); return; }
if ((col!=x->m2.col)||(row!=x->m2.row)){
outlet_float(x->x_obj.ob_outlet, (t_float)0);
return;
}
while(n--){
if(atom_getfloat(m1++)!=atom_getfloat(m2++)) {
outlet_float(x->x_obj.ob_outlet, (t_float)0);
return;
}
}
outlet_float(x->x_obj.ob_outlet, (t_float)1);
}
static void mtx_isequal_float(t_mtx_binmtx *x, t_float f)
{
t_matrix *m=&x->m, *m2=&x->m2;
t_atom *ap=m2->atombuffer+2;
int row2, col2, n;
if (!m2->atombuffer){
outlet_float(x->x_obj.ob_outlet, (t_float)0);
return;
}
row2=atom_getfloat(m2->atombuffer);
col2=atom_getfloat(m2->atombuffer+1);
n=row2*col2;
while(n--){
if(atom_getfloat(ap)!=f) {
outlet_float(x->x_obj.ob_outlet, (t_float)0);
return;
}
ap++;
}
outlet_float(x->x_obj.ob_outlet, (t_float)1);
}
static void *mtx_isequal_new(t_symbol *s, int argc, t_atom *argv)
{
if (argc>1) post("mtx_isequal : extra arguments ignored");
if (argc) {
t_mtx_binscalar *x = (t_mtx_binscalar *)pd_new(mtx_isequalscalar_class);
floatinlet_new(&x->x_obj, &x->f);
x->f = atom_getfloatarg(0, argc, argv);
outlet_new(&x->x_obj, 0);
return(x);
} else {
t_mtx_binmtx *x = (t_mtx_binmtx *)pd_new(mtx_isequal_class);
inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("matrix"), gensym(""));
outlet_new(&x->x_obj, 0);
x->m.col = x->m.row = x->m2.col = x->m2.row = 0;
x->m.atombuffer = x->m2.atombuffer = 0;
return(x);
}
}
void mtx_isequal_setup(void)
{
mtx_isequal_class = class_new(gensym("mtx_isequal"), (t_newmethod)mtx_isequal_new, (t_method)mtx_binmtx_free,
sizeof(t_mtx_binmtx), 0, A_GIMME, 0);
class_addmethod(mtx_isequal_class, (t_method)mtx_isequal_matrix, gensym("matrix"), A_GIMME, 0);
class_addmethod(mtx_isequal_class, (t_method)mtx_bin_matrix2, gensym(""), A_GIMME, 0);
class_addfloat (mtx_isequal_class, mtx_isequal_float);
class_addbang (mtx_isequal_class, mtx_binmtx_bang);
mtx_isequalscalar_class = class_new(gensym("mtx_isequal"), 0, (t_method)mtx_binscalar_free,
sizeof(t_mtx_binscalar), 0, 0);
class_addmethod(mtx_isequalscalar_class, (t_method)mtx_isequalscalar_matrix, gensym("matrix"), A_GIMME, 0);
class_addlist (mtx_isequalscalar_class, mtx_isequalscalar_list);
class_addbang (mtx_isequalscalar_class, mtx_binscalar_bang);
}
void iemtx_isequal_setup(void)
{
mtx_isequal_setup();
}
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