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/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_spec2 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
#include <math.h>
/* ------------------------ spec2_abs_tilde~ ------------------------- */
static t_class *spec2_abs_tilde_class;
typedef struct _spec2_abs_tilde
{
t_object x_obj;
t_float x_msi;
} t_spec2_abs_tilde;
static t_int *spec2_abs_tilde_perform(t_int *w)
{
t_float *in = (t_float *)(w[1]);
t_float *out = (t_float *)(w[2]);
int n = w[3]+1;
while(n--)
{
*in++ = fabs(*out++);
}
return(w+4);
}
static t_int *spec2_abs_tilde_perf16(t_int *w)
{
t_float *in = (t_float *)(w[1]);
t_float *out = (t_float *)(w[2]);
int n = w[3];
while(n)
{
in[0] = fabs(out[0]);
in[1] = fabs(out[1]);
in[2] = fabs(out[2]);
in[3] = fabs(out[3]);
in[4] = fabs(out[4]);
in[5] = fabs(out[5]);
in[6] = fabs(out[6]);
in[7] = fabs(out[7]);
in[8] = fabs(out[8]);
in[9] = fabs(out[9]);
in[10] = fabs(out[10]);
in[11] = fabs(out[11]);
in[12] = fabs(out[12]);
in[13] = fabs(out[13]);
in[14] = fabs(out[14]);
in[15] = fabs(out[15]);
in += 16;
out += 16;
n -= 16;
}
in[0] = fabs(out[0]);
return(w+4);
}
static void spec2_abs_tilde_dsp(t_spec2_abs_tilde *x, t_signal **sp)
{
int n = (sp[0]->s_n)/2;
if(n&15)
dsp_add(spec2_abs_tilde_perform, 3, sp[0]->s_vec, sp[0]->s_vec, n);
else
dsp_add(spec2_abs_tilde_perf16, 3, sp[0]->s_vec, sp[0]->s_vec, n);
}
static void *spec2_abs_tilde_new(void)
{
t_spec2_abs_tilde *x = (t_spec2_abs_tilde *)pd_new(spec2_abs_tilde_class);
outlet_new(&x->x_obj, &s_signal);
x->x_msi = 0.0f;
return (x);
}
void spec2_abs_tilde_setup(void)
{
spec2_abs_tilde_class = class_new(gensym("spec2_abs~"), (t_newmethod)spec2_abs_tilde_new,
0, sizeof(t_spec2_abs_tilde), 0, 0);
CLASS_MAINSIGNALIN(spec2_abs_tilde_class, t_spec2_abs_tilde, x_msi);
class_addmethod(spec2_abs_tilde_class, (t_method)spec2_abs_tilde_dsp, gensym("dsp"), 0);
class_sethelpsymbol(spec2_abs_tilde_class, gensym("iemhelp2/spec2_abs~-help"));
}
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