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#include "defines.h"
/*--------------- vmtof ----------------*/
static t_class *vmtof_class;
typedef struct _vmtof
{
t_object x_obj;
} t_vmtof;
t_float mtof(t_float f)
{
if (f <= -1500) return(0);
else if (f > 1499) return(mtof(1499));
else return (t_float)(8.17579891564 * exp(.0577622650 * f));
}
static void vmtof_perform(t_vmtof *x, t_symbol *s, int argc, t_atom *argv)
{
int i;
t_atom *ap,*app;
ap = (t_atom *)getbytes(sizeof(t_atom)*argc);
app=ap;
for (i = 0; i < argc; i++)
{
SETFLOAT(app, mtof(atom_getfloat(argv++)));
app++;
}
outlet_list(x->x_obj.ob_outlet,gensym("list"),argc,ap);
freebytes(ap,argc);
}
static void *vmtof_new()
{
t_vmtof *x=(t_vmtof *)pd_new(vmtof_class);
outlet_new(&x->x_obj, gensym("list"));
return (void *)x;
}
void vmtof_setup(void)
{
vmtof_class = class_new(gensym("vmtof"),
(t_newmethod)vmtof_new, 0,
sizeof(t_vmtof),
CLASS_DEFAULT,
0);
class_addlist(vmtof_class, (t_method)vmtof_perform);
}
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