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#include "defines.h"
/*--------------- linspace ----------------*/
/* clips a vector */
static t_class *linspace_class;
typedef struct _linspace
{
t_object x_obj;
float m_lo;
float m_hi;
float m_n;
} t_linspace;
static void linspace_bang(t_linspace *x)
{
int n;
n=(int)x->m_n;
if ((n<256)&&(n>1))
{
int i;
float lo,step;
t_atom *ap,*app;
ap = (t_atom *)getbytes(sizeof(t_atom)*n);
app=ap;
lo=x->m_lo;
step=(x->m_hi-lo)/(n-1);
for (i = 0; i < n; i++)
{
SETFLOAT(app, lo);
app++;
lo+=step;
}
outlet_list(x->x_obj.ob_outlet,gensym("list"),n,ap);
freebytes(ap,n);
}
}
static void linspace_float(t_linspace *x, t_float lo)
{
x->m_lo=lo;
linspace_bang(x);
}
static void *linspace_new(t_float lo, t_float hi, t_float n)
{
t_linspace *x=(t_linspace *)pd_new(linspace_class);
floatinlet_new(&x->x_obj, &x->m_hi);
floatinlet_new(&x->x_obj, &x->m_n);
outlet_new(&x->x_obj, gensym("list"));
x->m_lo=lo;
x->m_hi=hi;
x->m_n=n;
return (void *)x;
}
void linspace_setup(void)
{
linspace_class = class_new(gensym("linspace"),
(t_newmethod)linspace_new, 0,
sizeof(t_linspace),
CLASS_DEFAULT,
A_DEFFLOAT,A_DEFFLOAT,A_DEFFLOAT,0);
class_addfloat(linspace_class, (t_method)linspace_float);
class_addbang(linspace_class, (t_method)linspace_bang);
}
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