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#include "m_pd.h"
static t_class *zerox_class;
typedef struct _zerox
{
t_object x_obj;
t_sample x_f;
t_int x_zeros;
} t_zerox;
static t_int *zerox_perform(t_int *w)
{
t_zerox* x = (t_zerox*)w[1];
t_sample *in = (t_sample *)(w[2]);
int n = (int)(w[3]) ;
if (*in * x->x_f < 0) x->x_zeros++;
n--;
while (n--)
{
float f = *(in++);
x->x_zeros += f * *in < 0;
}
return (w+4);
}
static void zerox_dsp(t_zerox *x, t_signal **sp)
{
dsp_add(zerox_perform, 3, x, sp[0]->s_vec, sp[0]->s_n);
}
static void zerox_bang(t_zerox* x)
{
outlet_float(x->x_obj.ob_outlet,x->x_zeros);
x->x_zeros=0;
}
static void *zerox_new(void)
{
t_zerox *x = (t_zerox *)pd_new(zerox_class);
outlet_new(&x->x_obj, gensym("float"));
x->x_f = 0;
x->x_zeros=0;
return (x);
}
void zerox_tilde_setup(void)
{
zerox_class = class_new(gensym("zerox~"), (t_newmethod)zerox_new, 0,
sizeof(t_zerox), 0, A_DEFFLOAT, 0);
CLASS_MAINSIGNALIN(zerox_class, t_zerox, x_f);
class_addmethod(zerox_class, (t_method)zerox_dsp, gensym("dsp"), 0);
class_addbang(zerox_class, (t_method)zerox_bang);
}
#include "m_pd.h"
static t_class *zerox_class;
typedef struct _zerox
{
t_object x_obj;
t_sample x_f;
t_int x_zeros;
} t_zerox;
static t_int *zerox_perform(t_int *w)
{
t_zerox* x = (t_zerox*)w[1];
t_sample *in = (t_sample *)(w[2]);
int n = (int)(w[3]) ;
if (*in * x->x_f < 0) x->x_zeros++;
n--;
while (n--)
{
float f = *(in++);
x->x_zeros += f * *in < 0;
}
return (w+4);
}
static void zerox_dsp(t_zerox *x, t_signal **sp)
{
dsp_add(zerox_perform, 3, x, sp[0]->s_vec, sp[0]->s_n);
}
static void zerox_bang(t_zerox* x)
{
outlet_float(x->x_obj.ob_outlet,x->x_zeros);
x->x_zeros=0;
}
static void *zerox_new(void)
{
t_zerox *x = (t_zerox *)pd_new(zerox_class);
outlet_new(&x->x_obj, gensym("float"));
x->x_f = 0;
x->x_zeros=0;
return (x);
}
void zerox_tilde_setup(void)
{
zerox_class = class_new(gensym("zerox~"), (t_newmethod)zerox_new, 0,
sizeof(t_zerox), 0, A_DEFFLOAT, 0);
CLASS_MAINSIGNALIN(zerox_class, t_zerox, x_f);
class_addmethod(zerox_class, (t_method)zerox_dsp, gensym("dsp"), 0);
class_addbang(zerox_class, (t_method)zerox_bang);
}
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