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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"
/* -------------------------- spec2_sub~ ------------------------------ */
static t_class *spec2_sub_tilde_class;
typedef struct _spec2_sub_tilde
{
t_object x_obj;
t_float x_msi;
} t_spec2_sub_tilde;
static t_int *spec2_sub_tilde_perform(t_int *w)
{
t_float *in1 = (t_float *)(w[1]);
t_float *in2 = (t_float *)(w[2]);
t_float *out = (t_float *)(w[3]);
int i, n = (t_int)(w[4]);
for(i=0; i<=n; i++)
{
out[i] = in1[i] - in2[i];
}
return(w+5);
}
static t_int *spec2_sub_tilde_perf16(t_int *w)
{
t_float *in1 = (t_float *)(w[1]);
t_float *in2 = (t_float *)(w[2]);
t_float *out = (t_float *)(w[3]);
int n = (t_int)(w[4]);
while(n)
{
out[0] = in1[0] - in2[0];
out[1] = in1[1] - in2[1];
out[2] = in1[2] - in2[2];
out[3] = in1[3] - in2[3];
out[4] = in1[4] - in2[4];
out[5] = in1[5] - in2[5];
out[6] = in1[6] - in2[6];
out[7] = in1[7] - in2[7];
out[8] = in1[8] - in2[8];
out[9] = in1[9] - in2[9];
out[10] = in1[10] - in2[10];
out[11] = in1[11] - in2[11];
out[12] = in1[12] - in2[12];
out[13] = in1[13] - in2[13];
out[14] = in1[14] - in2[14];
out[15] = in1[15] - in2[15];
in1 += 16;
in2 += 16;
out += 16;
n -= 16;
}
out[0] = in1[0] - in2[0];
return(w+5);
}
static void spec2_sub_tilde_dsp(t_spec2_sub_tilde *x, t_signal **sp)
{
int n = (sp[0]->s_n)/2;
if(n&15)
dsp_add(spec2_sub_tilde_perform, 4, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, n);
else
dsp_add(spec2_sub_tilde_perf16, 4, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, n);
}
static void *spec2_sub_tilde_new(void)
{
t_spec2_sub_tilde *x = (t_spec2_sub_tilde *)pd_new(spec2_sub_tilde_class);
inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
outlet_new(&x->x_obj, &s_signal);
x->x_msi = 0.0f;
return (x);
}
static void spec2_sub_tilde_free(t_spec2_sub_tilde *x)
{
}
void spec2_sub_tilde_setup(void)
{
spec2_sub_tilde_class = class_new(gensym("spec2_sub~"), (t_newmethod)spec2_sub_tilde_new, (t_method)spec2_sub_tilde_free,
sizeof(t_spec2_sub_tilde), 0, 0);
class_addcreator((t_newmethod)spec2_sub_tilde_new, gensym("spec2-~"), 0);
CLASS_MAINSIGNALIN(spec2_sub_tilde_class, t_spec2_sub_tilde, x_msi);
class_addmethod(spec2_sub_tilde_class, (t_method)spec2_sub_tilde_dsp, gensym("dsp"), 0);
// class_sethelpsymbol(spec2_sub_tilde_class, gensym("iemhelp2/spec2_sub~-help"));
}
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