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
|
/* Copyright (c) 2002-2003 krzYszcz and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
#include <math.h>
#include "m_pd.h"
#include "sickle/sic.h"
#if defined(_WIN32) || defined(__APPLE__)
/* cf pd/src/x_arithmetic.c */
#define atanf atan
#endif
typedef t_sic t_atan;
static t_class *atan_class;
static t_int *atan_perform(t_int *w)
{
int nblock = (int)(w[1]);
t_float *in = (t_float *)(w[2]);
t_float *out = (t_float *)(w[3]);
while (nblock--)
{
float f = *in++;
*out++ = atanf(f); /* CHECKME no protection against NaNs */
}
return (w + 4);
}
static void atan_dsp(t_atan *x, t_signal **sp)
{
dsp_add(atan_perform, 3, sp[0]->s_n, sp[0]->s_vec, sp[1]->s_vec);
}
static void *atan_new(void)
{
t_atan *x = (t_atan *)pd_new(atan_class);
outlet_new((t_object *)x, &s_signal);
return (x);
}
void atan_tilde_setup(void)
{
atan_class = class_new(gensym("atan~"),
(t_newmethod)atan_new, 0,
sizeof(t_atan), 0, 0);
sic_setup(atan_class, atan_dsp, SIC_FLOATTOSIGNAL);
}
|
