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
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_tab written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
#ifdef NT
#pragma warning( disable : 4244 )
#pragma warning( disable : 4305 )
#endif
#include "m_pd.h"
#include "iemlib.h"
#include "iem_tab.h"
#include <math.h>
#include <stdio.h>
#include <string.h>
/* -------------------------- tab_div ------------------------------ */
typedef struct _tab_div
{
t_object x_obj;
int x_size_src1;
int x_size_src2;
int x_size_dst;
int x_offset_src1;
int x_offset_src2;
int x_offset_dst;
float *x_beg_mem_src1;
float *x_beg_mem_src2;
float *x_beg_mem_dst;
t_symbol *x_sym_scr1;
t_symbol *x_sym_scr2;
t_symbol *x_sym_dst;
} t_tab_div;
static t_class *tab_div_class;
static void tab_div_src1(t_tab_div *x, t_symbol *s)
{
x->x_sym_scr1 = s;
}
static void tab_div_src2(t_tab_div *x, t_symbol *s)
{
x->x_sym_scr2 = s;
}
static void tab_div_dst(t_tab_div *x, t_symbol *s)
{
x->x_sym_dst = s;
}
static void tab_div_bang(t_tab_div *x)
{
int i, n;
int ok_src1, ok_src2, ok_dst;
t_float *vec_src1, *vec_src2, *vec_dst;
ok_src1 = iem_tab_check_arrays(gensym("tab_div"), x->x_sym_scr1, &x->x_beg_mem_src1, &x->x_size_src1, 0);
ok_src2 = iem_tab_check_arrays(gensym("tab_div"), x->x_sym_scr2, &x->x_beg_mem_src2, &x->x_size_src2, 0);
ok_dst = iem_tab_check_arrays(gensym("tab_div"), x->x_sym_dst, &x->x_beg_mem_dst, &x->x_size_dst, 0);
if(ok_src1 && ok_src2 && ok_dst)
{
if(x->x_size_src1 < x->x_size_dst)
n = x->x_size_src1;
else
n = x->x_size_dst;
if(x->x_size_src2 < n)
n = x->x_size_src2;
vec_src1 = x->x_beg_mem_src1;
vec_src2 = x->x_beg_mem_src2;
vec_dst = x->x_beg_mem_dst;
if(n)
{
t_garray *a;
for(i=0; i<n; i++)
{
if(vec_src2[i] == 0.0f)
vec_dst[i] = 0.0f;
else
vec_dst[i] = vec_src1[i] / vec_src2[i];
}
outlet_bang(x->x_obj.ob_outlet);
a = (t_garray *)pd_findbyclass(x->x_sym_dst, garray_class);
garray_redraw(a);
}
}
}
static void tab_div_list(t_tab_div *x, t_symbol *s, int argc, t_atom *argv)
{
int beg_src1, beg_src2, beg_dst;
int i, n;
int ok_src1, ok_src2, ok_dst;
t_float *vec_src1, *vec_src2, *vec_dst;
if((argc >= 4) &&
IS_A_FLOAT(argv,0) &&
IS_A_FLOAT(argv,1) &&
IS_A_FLOAT(argv,2) &&
IS_A_FLOAT(argv,3))
{
beg_src1 = (int)atom_getintarg(0, argc, argv);
beg_src2 = (int)atom_getintarg(1, argc, argv);
beg_dst = (int)atom_getintarg(2, argc, argv);
n = (int)atom_getintarg(3, argc, argv);
if(beg_src1 < 0)
beg_src1 = 0;
if(beg_src2 < 0)
beg_src2 = 0;
if(beg_dst < 0)
beg_dst = 0;
if(n < 0)
n = 0;
ok_src1 = iem_tab_check_arrays(gensym("tab_div"), x->x_sym_scr1, &x->x_beg_mem_src1, &x->x_size_src1, beg_src1+n);
ok_src2 = iem_tab_check_arrays(gensym("tab_div"), x->x_sym_scr2, &x->x_beg_mem_src2, &x->x_size_src2, beg_src2+n);
ok_dst = iem_tab_check_arrays(gensym("tab_div"), x->x_sym_dst, &x->x_beg_mem_dst, &x->x_size_dst, beg_dst+n);
if(ok_src1 && ok_src2 && ok_dst)
{
vec_src1 = x->x_beg_mem_src1 + beg_src1;
vec_src2 = x->x_beg_mem_src2 + beg_src2;
vec_dst = x->x_beg_mem_dst + beg_dst;
if(n)
{
t_garray *a;
for(i=0; i<n; i++)
{
if(vec_src2[i] == 0.0f)
vec_dst[i] = 0.0f;
else
vec_dst[i] = vec_src1[i] / vec_src2[i];
}
outlet_bang(x->x_obj.ob_outlet);
a = (t_garray *)pd_findbyclass(x->x_sym_dst, garray_class);
garray_redraw(a);
}
}
}
else
{
post("tab_div-ERROR: list need 4 float arguments:");
post(" source1_offset + source2_offset + destination_offset + number_of_samples_to_div");
}
}
static void tab_div_free(t_tab_div *x)
{
}
static void *tab_div_new(t_symbol *s, int argc, t_atom *argv)
{
t_tab_div *x = (t_tab_div *)pd_new(tab_div_class);
t_symbol *src1, *src2, *dst;
t_float time;
if((argc >= 3) &&
IS_A_SYMBOL(argv,0) &&
IS_A_SYMBOL(argv,1) &&
IS_A_SYMBOL(argv,2))
{
src1 = (t_symbol *)atom_getsymbolarg(0, argc, argv);
src2 = (t_symbol *)atom_getsymbolarg(1, argc, argv);
dst = (t_symbol *)atom_getsymbolarg(2, argc, argv);
}
else if((argc >= 2) &&
IS_A_SYMBOL(argv,0) &&
IS_A_SYMBOL(argv,1))
{
src1 = (t_symbol *)atom_getsymbolarg(0, argc, argv);
dst = src1;
src2 = (t_symbol *)atom_getsymbolarg(1, argc, argv);
}
else
{
post("tab_div-ERROR: need 3 symbols arguments:");
post(" source1_array_name + source2_array_name + destination_array_name");
return(0);
}
x->x_sym_scr1 = src1;
x->x_sym_scr2 = src2;
x->x_sym_dst = dst;
outlet_new(&x->x_obj, &s_bang);
return(x);
}
void tab_div_setup(void)
{
tab_div_class = class_new(gensym("tab_div"), (t_newmethod)tab_div_new, (t_method)tab_div_free,
sizeof(t_tab_div), 0, A_GIMME, 0);
class_addbang(tab_div_class, (t_method)tab_div_bang);
class_addlist(tab_div_class, (t_method)tab_div_list);
class_addmethod(tab_div_class, (t_method)tab_div_src1, gensym("src1"), A_DEFSYMBOL, 0);
class_addmethod(tab_div_class, (t_method)tab_div_src2, gensym("src2"), A_DEFSYMBOL, 0);
class_addmethod(tab_div_class, (t_method)tab_div_dst, gensym("dst"), A_DEFSYMBOL, 0);
class_sethelpsymbol(tab_div_class, gensym("iemhelp2/tab_div-help"));
}
|
