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/*
* iemmatrix
*
* objects for manipulating simple matrices
* mostly refering to matlab/octave matrix functions
*
* (c) IOhannes m zmölnig, forum::für::umläute
*
* IEM, Graz
*
* this code is published under the LGPL
*
*/
#include "iemmatrix.h"
/* mtx_check */
static t_class *mtx_check_class;
static void mtx_check_matrix(t_matrix *x, t_symbol *s, int argc, t_atom *argv)
{
int row=atom_getfloat(argv);
int col=atom_getfloat(argv+1);
t_atom *ap;
int length=row*col, n;
argc-=2;
if(length>argc) {
/* sparse matrix */
adjustsize(x, row, col);
matrix_set(x, 0);
argv+=2;
ap=x->atombuffer+2;
n=argc;
while(n--){
t_float f = atom_getfloat(argv++);
SETFLOAT(ap, f);
ap++;
}
matrix_bang(x);
} else {
SETFLOAT(argv, row);
SETFLOAT(argv+1, col);
ap=argv+2;
n=length;
while(n--){
t_float f = atom_getfloat(ap);
SETFLOAT(ap, f);
ap++;
}
outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), length+2, argv);
}
}
static void *mtx_check_new(t_symbol *s, int argc, t_atom *argv)
{
t_matrix *x = (t_matrix *)pd_new(mtx_check_class);
outlet_new(&x->x_obj, 0);
x->col=x->row=0;
x->atombuffer=0;
return (x);
}
void mtx_check_setup(void)
{
mtx_check_class = class_new(gensym("mtx_check"), (t_newmethod)mtx_check_new,
(t_method)matrix_free, sizeof(t_matrix), 0, A_GIMME, 0);
class_addbang (mtx_check_class, matrix_bang);
class_addmethod(mtx_check_class, (t_method)mtx_check_matrix, gensym("matrix"), A_GIMME, 0);
class_sethelpsymbol(mtx_check_class, gensym("iemmatrix/matrix"));
}
void iemtx_check_setup(void)
{
mtx_check_setup();
}
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