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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_max2
*/
/* mtx_max2 */
static t_class *mtx_max2_class, *mtx_max2scalar_class;
static void mtx_max2scalar_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_max2: crippled matrix");return; }
adjustsize(&x->m, row, col);
buf=x->m.atombuffer+2;
while(n--){
buf->a_type = A_FLOAT;
buf++->a_w.w_float = atom_getfloat(ap++) + offset;
}
outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), argc, x->m.atombuffer);
}
static void mtx_max2scalar_list(t_mtx_binscalar *x, t_symbol *s, int argc, t_atom *argv)
{
int n=argc;
t_atom *m;
t_float offset = x->f;
adjustsize(&x->m, 1, argc);
m = x->m.atombuffer;
while(n--){
m->a_type = A_FLOAT;
(m++)->a_w.w_float = atom_getfloat(argv++) + offset;
}
outlet_list(x->x_obj.ob_outlet, gensym("list"), argc, x->m.atombuffer);
}
static void mtx_max2_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_max2: crippled matrix"); return; }
if ((col<1)||(row<1)) { post("mtx_max2: invalid dimensions"); return; }
if (col*row>argc-2){ post("sparse matrix not yet supported : use \"mtx_check\""); return; }
if (!(x->m2.col*x->m2.row)) {
outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), argc, argv);
return;
}
if ((col!=x->m2.col)||(row!=x->m2.row)){
post("mtx_max2: matrix dimensions do not match");
/* LATER SOLVE THIS */
return;
}
adjustsize(&x->m, row, col);
m = x->m.atombuffer+2;
while(n--){
t_float f1=atom_getfloat(m1++);
t_float f2=atom_getfloat(m2++);
t_float f = (f1>f2)?f1:f2;
SETFLOAT(m, f);
m++;
}
outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), argc, x->m.atombuffer);
}
static void mtx_max2_float(t_mtx_binmtx *x, t_float f)
{
t_matrix *m=&x->m, *m2=&x->m2;
t_atom *ap, *ap2=m2->atombuffer+2;
int row2, col2, n;
if (!m2->atombuffer){ post("mulitply with what ?"); return; }
row2=atom_getfloat(m2->atombuffer);
col2=atom_getfloat(m2->atombuffer+1);
adjustsize(m, row2, col2);
ap=m->atombuffer+2;
n=row2*col2;
while(n--){
SETFLOAT(ap, f+atom_getfloat(ap2++));
ap++;
}
outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), m->row*m->col+2, m->atombuffer);
}
static void *mtx_max2_new(t_symbol *s, int argc, t_atom *argv)
{
if (argc>1) post("mtx_max2 : extra arguments ignored");
if (argc) {
t_mtx_binscalar *x = (t_mtx_binscalar *)pd_new(mtx_max2scalar_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_max2_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_max2_setup(void)
{
mtx_max2_class = class_new(gensym("mtx_max2"), (t_newmethod)mtx_max2_new, (t_method)mtx_binmtx_free,
sizeof(t_mtx_binmtx), 0, A_GIMME, 0);
class_addmethod(mtx_max2_class, (t_method)mtx_max2_matrix, gensym("matrix"), A_GIMME, 0);
class_addmethod(mtx_max2_class, (t_method)mtx_bin_matrix2, gensym(""), A_GIMME, 0);
class_addfloat (mtx_max2_class, mtx_max2_float);
class_addbang (mtx_max2_class, mtx_binmtx_bang);
mtx_max2scalar_class = class_new(gensym("mtx_max2"), 0, (t_method)mtx_binscalar_free,
sizeof(t_mtx_binscalar), 0, 0);
class_addmethod(mtx_max2scalar_class, (t_method)mtx_max2scalar_matrix, gensym("matrix"), A_GIMME, 0);
class_addlist (mtx_max2scalar_class, mtx_max2scalar_list);
class_addbang (mtx_max2scalar_class, mtx_binscalar_bang);
class_sethelpsymbol(mtx_max2_class, gensym("iemmatrix/mtx_binops"));
class_sethelpsymbol(mtx_max2scalar_class, gensym("iemmatrix/mtx_binops"));
}
void iemtx_max2_setup(void)
{
mtx_max2_setup();
}
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