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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_transpose */
static t_class *mtx_transpose_class;
static void mtx_transpose_matrix(t_matrix *x, t_symbol *s, int argc, t_atom *argv)
{
int row=atom_getfloat(argv++);
int col=atom_getfloat(argv++);
t_atom *ap;
int r, c;
if(row*col>argc-2) {
post("mtx_transpose: sparse matrices not yet supported : use \"mtx_check\"");
return;
}
if (col*row!=x->col*x->row) {
freebytes(x->atombuffer, (x->col*x->row+2)*sizeof(t_atom));
x->atombuffer = (t_atom *)getbytes((row*col+2)*sizeof(t_atom));
}
ap = x->atombuffer+2;
setdimen(x, col, row);
r = row;
while(r--){
c=col;
while(c--) {
t_float f = atom_getfloat(argv+r*col+c);
SETFLOAT(ap+c*row+r, f);
}
}
matrix_bang(x);
}
static void *mtx_transpose_new(t_symbol *s, int argc, t_atom *argv)
{
t_matrix *x = (t_matrix *)pd_new(mtx_transpose_class);
outlet_new(&x->x_obj, 0);
x->col=x->row=0;
x->atombuffer=0;
return (x);
}
void mtx_transpose_setup(void)
{
mtx_transpose_class = class_new(gensym("mtx_transpose"), (t_newmethod)mtx_transpose_new,
(t_method)matrix_free, sizeof(t_matrix), 0, A_GIMME, 0);
class_addbang (mtx_transpose_class, matrix_bang);
class_addmethod(mtx_transpose_class, (t_method)mtx_transpose_matrix, gensym("matrix"), A_GIMME, 0);
class_sethelpsymbol(mtx_transpose_class, gensym("iemmatrix/mtx_transpose"));
}
void iemtx_transpose_setup(void){
mtx_transpose_setup();
}
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