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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_mul_scalar~ ------------------------------ */
static t_class *spec2_mul_scalar_tilde_class;
typedef struct _spec2_mul_scalar_tilde
{
t_object x_obj;
t_float x_f;
t_float x_msi;
} t_spec2_mul_scalar_tilde;
static void spec2_mul_scalar_tilde_ft1(t_spec2_mul_scalar_tilde *x, t_floatarg f)
{
x->x_f = f;
}
static t_int *spec2_mul_scalar_tilde_perform(t_int *w)
{
t_float *io = (t_float *)(w[1]);
t_spec2_mul_scalar_tilde *x = (t_spec2_mul_scalar_tilde *)(w[2]);
int i, n = (t_int)(w[3]);
t_float f = x->x_f;
for(i=0; i<=n; i++)
{
io[i] *= f;
}
return(w+4);
}
static t_int *spec2_mul_scalar_tilde_perf16(t_int *w)
{
t_float *io = (t_float *)(w[1]);
t_spec2_mul_scalar_tilde *x = (t_spec2_mul_scalar_tilde *)(w[2]);
int n = (t_int)(w[3]);
t_float f = x->x_f;
while(n)
{
io[0] *= f;
io[1] *= f;
io[2] *= f;
io[3] *= f;
io[4] *= f;
io[5] *= f;
io[6] *= f;
io[7] *= f;
io[8] *= f;
io[9] *= f;
io[10] *= f;
io[11] *= f;
io[12] *= f;
io[13] *= f;
io[14] *= f;
io[15] *= f;
io += 16;
n -= 16;
}
io[0] *= f;
return(w+4);
}
static void spec2_mul_scalar_tilde_dsp(t_spec2_mul_scalar_tilde *x, t_signal **sp)
{
int n = (sp[0]->s_n)/2;
if(n&15)
dsp_add(spec2_mul_scalar_tilde_perform, 3, sp[0]->s_vec, x, n);
else
dsp_add(spec2_mul_scalar_tilde_perf16, 3, sp[0]->s_vec, x, n);
}
static void *spec2_mul_scalar_tilde_new(t_floatarg f)
{
t_spec2_mul_scalar_tilde *x = (t_spec2_mul_scalar_tilde *)pd_new(spec2_mul_scalar_tilde_class);
inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
outlet_new(&x->x_obj, &s_signal);
x->x_f = f;
x->x_msi = 0.0f;
return (x);
}
static void spec2_mul_scalar_tilde_free(t_spec2_mul_scalar_tilde *x)
{
}
void spec2_mul_scalar_tilde_setup(void)
{
spec2_mul_scalar_tilde_class = class_new(gensym("spec2_mul_scalar~"), (t_newmethod)spec2_mul_scalar_tilde_new, (t_method)spec2_mul_scalar_tilde_free,
sizeof(t_spec2_mul_scalar_tilde), 0, A_DEFFLOAT, 0);
class_addcreator((t_newmethod)spec2_mul_scalar_tilde_new, gensym("spec2*s~"), A_DEFFLOAT, 0);
CLASS_MAINSIGNALIN(spec2_mul_scalar_tilde_class, t_spec2_mul_scalar_tilde, x_msi);
class_addmethod(spec2_mul_scalar_tilde_class, (t_method)spec2_mul_scalar_tilde_ft1, gensym("ft1"), A_FLOAT, 0);
class_addmethod(spec2_mul_scalar_tilde_class, (t_method)spec2_mul_scalar_tilde_dsp, gensym("dsp"), 0);
class_sethelpsymbol(spec2_mul_scalar_tilde_class, gensym("iemhelp2/spec2_mul_scalar~-help"));
}
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