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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
/*
* iemmatrix
*
* objects for manipulating simple matrices
* mostly refering to matlab/octave matrix functions
*
* Copyright (c) 2005, Franz Zotter
* 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"
static t_class *mtx_colon_class;
typedef struct _MTXColon_ MTXColon;
struct _MTXColon_
{
t_object x_obj;
int size;
t_atom *list_out;
t_outlet *list_outlet;
};
static void deleteMTXColon (MTXColon *mtx_colon_obj)
{
if (mtx_colon_obj->list_out)
freebytes (mtx_colon_obj->list_out, sizeof(t_atom)*(mtx_colon_obj->size+2));
}
static void *newMTXColon (t_symbol *s, int argc, t_atom *argv)
{
MTXColon *mtx_colon_obj = (MTXColon *) pd_new (mtx_colon_class);
mtx_colon_obj->list_outlet = outlet_new (&mtx_colon_obj->x_obj, gensym("matrix"));
return ((void *) mtx_colon_obj);
}
static void mTXColonBang (MTXColon *mtx_colon_obj)
{
if (mtx_colon_obj->list_out)
outlet_anything(mtx_colon_obj->list_outlet, gensym("matrix"),
mtx_colon_obj->size+2, mtx_colon_obj->list_out);
}
static void mTXColonList (MTXColon *mtx_colon_obj, t_symbol *s,
int argc, t_atom *argv)
{
int size;
t_float startval;
t_float stopval;
t_float step;
t_atom *list_out = mtx_colon_obj->list_out;
if (argc == 3) {
startval = atom_getfloat(argv++);
step = atom_getfloat(argv++);
stopval = atom_getfloat(argv++);
}
else if (argc == 2) {
startval = atom_getfloat(argv++);
stopval = atom_getfloat(argv++);
step = 1.0f;
}
else {
post("mtx_colon: wrong number of input arguments");
return;
}
size = (int)((stopval- startval + step) / step);
if (size) {
if (size!=mtx_colon_obj->size) {
if (list_out)
list_out = (t_atom *) resizebytes (list_out,
sizeof(t_atom)*(mtx_colon_obj->size+2),
sizeof(t_atom)*(size+2));
else
list_out = (t_atom*) getbytes (sizeof(t_atom)*(size+2));
mtx_colon_obj->size = size;
}
mtx_colon_obj->list_out = list_out;
SETFLOAT (&list_out[0],1.0f);
SETFLOAT (&list_out[1],(t_float)size);
list_out += 2;
for (;size--;list_out++,startval+=step)
SETFLOAT(list_out,startval);
mTXColonBang (mtx_colon_obj);
}
}
static void mTXColonMtx (MTXColon *mtx_colon_obj, t_symbol *s,
int argc, t_atom *argv)
{
int rows = atom_getint (argv++);
int columns = atom_getint (argv++);
int size = rows * columns;
int list_size = argc - 2;
t_atom *list_ptr = argv;
t_atom *list_out = mtx_colon_obj->list_out;
if (!size) {
post("mtx_colon: invalid matrix dimensions");
return;
}
else if (list_size<size) {
post("mtx_colon: sparse matrix not yet supported: use \"mtx_check\"");
return;
}
else if (!list_out) {
list_out = (t_atom*) getbytes (sizeof (t_atom) * (size+2));
}
else if (size != mtx_colon_obj->size)
{
list_out = (t_atom*) resizebytes (list_out,
sizeof (t_atom) * (mtx_colon_obj->size+2),
sizeof (t_atom) * (size+2));
}
mtx_colon_obj->list_out = list_out;
mtx_colon_obj->size = size;
list_out+=2;
while (size--)
*list_out++ = *list_ptr++;
list_out = mtx_colon_obj->list_out;
size = mtx_colon_obj->size;
SETSYMBOL(list_out, gensym("matrix"));
SETFLOAT(list_out, 1);
SETFLOAT(&list_out[1], size);
mTXColonBang (mtx_colon_obj);
}
void mtx_colon_setup (void)
{
mtx_colon_class = class_new
(gensym("mtx_colon"),
(t_newmethod) newMTXColon,
(t_method) deleteMTXColon,
sizeof (MTXColon),
CLASS_DEFAULT, A_GIMME, 0);
class_addbang (mtx_colon_class, (t_method) mTXColonBang);
class_addmethod (mtx_colon_class, (t_method) mTXColonMtx, gensym("matrix"), A_GIMME, 0);
class_addlist (mtx_colon_class, (t_method) mTXColonList);
class_addcreator ((t_newmethod) newMTXColon, gensym("mtx_:"), A_GIMME, 0);
}
void iemtx_colon_setup(void){
mtx_colon_setup();
}
|
