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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_eye */
static t_class *mtx_eye_class;
static void *mtx_eye_new(t_symbol *s, int argc, t_atom *argv)
{
t_matrix *x = (t_matrix *)pd_new(mtx_eye_class);
int col=0, row=0;
outlet_new(&x->x_obj, 0);
x->row = x->col = 0;
x->atombuffer = 0;
switch(argc) {
case 0:
break;
case 1:
col=row=atom_getfloat(argv);
break;
default:
row=atom_getfloat(argv++);
col=atom_getfloat(argv);
}
if(col<0)col=0;
if(row<0)row=0;
if (col*row){
int n = (col<row)?col:row;
x->atombuffer = (t_atom *)getbytes((col*row+2)*sizeof(t_atom));
setdimen(x, row, col);
matrix_set(x, 0);
while(n--)SETFLOAT(x->atombuffer+2+n*(1+col), 1);
}
return (x);
}
void mtx_eye_setup(void)
{
mtx_eye_class = class_new(gensym("mtx_eye"), (t_newmethod)mtx_eye_new,
(t_method)matrix_free, sizeof(t_matrix), 0, A_GIMME, 0);
class_addlist(mtx_eye_class, matrix_eye);
class_addbang(mtx_eye_class, matrix_bang);
class_addmethod(mtx_eye_class, (t_method)matrix_eye, gensym("matrix"), A_GIMME, 0);
class_sethelpsymbol(mtx_eye_class, gensym("iemmatrix/mtx_special"));
}
void iemtx_eye_setup(void){
mtx_eye_setup();
}
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