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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 "unstable/fragile.h"
#include "sickle/sic.h"
#if defined(NT) || defined(MACOSX)
/* cf pd/src/x_arithmetic.c */
#define atan2f atan2
#define hypotf hypot
#endif
typedef struct _cartopol
{
t_sic x_sic;
t_outlet *x_out2;
} t_cartopol;
static t_class *cartopol_class;
static t_int *cartopol_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 *out1 = (t_float *)(w[4]);
t_float *out2 = (t_float *)(w[5]);
while (nblock--)
{
float rl = *in1++, im = -*in2++; /* CHECKED */
*out1++ = hypotf(rl, im);
*out2++ = atan2f(im, rl);
}
return (w + 6);
}
static t_int *cartopol_perform_nophase(t_int *w)
{
int nblock = (int)(w[1]);
t_float *in1 = (t_float *)(w[2]);
t_float *in2 = (t_float *)(w[3]);
t_float *out1 = (t_float *)(w[4]);
while (nblock--)
{
float rl = *in1++, im = -*in2++; /* CHECKED */
*out1++ = hypotf(rl, im);
}
return (w + 5);
}
static void cartopol_dsp(t_cartopol *x, t_signal **sp)
{
if (fragile_outlet_connections(x->x_out2))
dsp_add(cartopol_perform, 5, sp[0]->s_n, sp[0]->s_vec,
sp[1]->s_vec, sp[2]->s_vec, sp[3]->s_vec);
else
dsp_add(cartopol_perform_nophase, 4, sp[0]->s_n, sp[0]->s_vec,
sp[1]->s_vec, sp[2]->s_vec);
}
static void *cartopol_new(void)
{
t_cartopol *x = (t_cartopol *)pd_new(cartopol_class);
inlet_new((t_object *)x, (t_pd *)x, &s_signal, &s_signal);
outlet_new((t_object *)x, &s_signal);
x->x_out2 = outlet_new((t_object *)x, &s_signal);
return (x);
}
void cartopol_tilde_setup(void)
{
cartopol_class = class_new(gensym("cartopol~"),
(t_newmethod)cartopol_new, 0,
sizeof(t_cartopol), 0, 0);
sic_setup(cartopol_class, cartopol_dsp, SIC_FLOATTOSIGNAL);
}
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