1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/*
* 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_atan: B=atan(A); */
static t_class *mtx_atan_class;
static void mtx_atan_matrix(t_mtx_binmtx *x, t_symbol *s, int argc, t_atom *argv)
{
int row=atom_getint(argv++);
int col=atom_getint(argv++);
t_atom *m;
int n = row*col;
if (argc<2){ post("mtx_atan: crippled matrix"); return; }
if ((col<1)||(row<1)) { post("mtx_atan: invalid dimensions"); return; }
if (col*row>argc-2){ post("sparse matrix not yet supported : use \"mtx_check\""); return; }
adjustsize(&x->m, row, col);
m = x->m.atombuffer+2;
while(n--){
t_float f = atom_getfloat(argv++);
SETFLOAT(m, (t_float)atanf(f));
m++;
}
outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), argc, x->m.atombuffer);
}
static void mtx_atan_list(t_mtx_binscalar *x, t_symbol *s, int argc, t_atom *argv)
{
int n=argc;
t_atom *m;
adjustsize(&x->m, 1, argc);
m = x->m.atombuffer;
while(n--){
m->a_type = A_FLOAT;
(m++)->a_w.w_float = (t_float)atanf(atom_getfloat(argv++));
}
outlet_list(x->x_obj.ob_outlet, gensym("list"), argc, x->m.atombuffer);
}
static void *mtx_atan_new(t_symbol *s)
{
/* element atan */
t_matrix *x = (t_matrix *)pd_new(mtx_atan_class);
outlet_new(&x->x_obj, 0);
x->col = x->row = 0;
x->atombuffer = 0;
return(x);
}
void mtx_atan_setup(void)
{
mtx_atan_class = class_new(gensym("mtx_atan"), (t_newmethod)mtx_atan_new, (t_method)mtx_binmtx_free,
sizeof(t_mtx_binmtx), 0, A_GIMME, 0);
class_addmethod(mtx_atan_class, (t_method)mtx_atan_matrix, gensym("matrix"), A_GIMME, 0);
class_addlist (mtx_atan_class, mtx_atan_list);
class_addbang (mtx_atan_class, mtx_binmtx_bang);
}
void iemtx_atan_setup(void)
{
mtx_atan_setup();
}
|
