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/* 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(MACOSX)
/* cf pd/src/x_arithmetic.c */
#define atan2f atan2
#endif
typedef t_sic t_atan2;
static t_class *atan2_class;
static t_int *atan2_perform(t_int *w)
{
int nblock = (int)(w[1]);
t_float *in1 = (t_float *)(w[2]);
t_float *in2 = (t_float *)(w[3]);
t_float *out = (t_float *)(w[4]);
while (nblock--)
{
float f1 = *in1++;
float f2 = *in2++;
/* CHECKED arg order, range (radians) */
*out++ = atan2f(f1, f2);
}
return (w + 5);
}
static void atan2_dsp(t_atan2 *x, t_signal **sp)
{
dsp_add(atan2_perform, 4, sp[0]->s_n,
sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec);
}
static void *atan2_new(t_floatarg f)
{
t_atan2 *x = (t_atan2 *)pd_new(atan2_class);
sic_newinlet((t_sic *)x, f); /* CHECKED x-value argument */
outlet_new((t_object *)x, &s_signal);
return (x);
}
void atan2_tilde_setup(void)
{
atan2_class = class_new(gensym("atan2~"),
(t_newmethod)atan2_new, 0,
sizeof(t_atan2), 0, A_DEFFLOAT, 0);
sic_setup(atan2_class, atan2_dsp, SIC_FLOATTOSIGNAL);
}
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