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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_dp written by IOhannes m zmoelnig, Thomas Musil, Copyright (c) IEM KUG Graz Austria 1999 - 2007 */
/* double precision library */
#include "m_pd.h"
#include "iemlib.h"
#include "iem_dp.h"
/* ------------------------ min_dp ---------------------------- */
/* based on miller's min, which is part of pd, only with double precision */
static t_class *min_dp_class;
typedef struct _min_dp
{
t_object x_obj;
t_float x_coarse_left;
t_float x_fine_left;
t_float x_coarse_right;
t_float x_fine_right;
t_outlet *x_out_coarse;
t_outlet *x_out_fine;
} t_min_dp;
static void min_dp_bang(t_min_dp *x)
{
double dleft, dright;
dleft = iem_dp_calc_sum(x->x_coarse_left, x->x_fine_left);
dright = iem_dp_calc_sum(x->x_coarse_right, x->x_fine_right);
if(dleft < dright)
{
outlet_float(x->x_out_fine, x->x_fine_left);
outlet_float(x->x_out_coarse, x->x_coarse_left);
}
else
{
outlet_float(x->x_out_fine, x->x_fine_right);
outlet_float(x->x_out_coarse, x->x_coarse_right);
}
}
static void min_dp_float(t_min_dp *x, t_floatarg f)
{
x->x_coarse_left = f;
min_dp_bang(x);
}
static void *min_dp_new(t_symbol *s, int ac, t_atom *av)
{
t_min_dp *x = (t_min_dp *)pd_new(min_dp_class);
floatinlet_new(&x->x_obj, &x->x_fine_left);
floatinlet_new(&x->x_obj, &x->x_coarse_right);
floatinlet_new(&x->x_obj, &x->x_fine_right);
x->x_coarse_left = 0.0f;
x->x_fine_left = 0.0f;
if((ac > 0) && (IS_A_FLOAT(av, 0)))
x->x_coarse_right = atom_getfloatarg(0, ac, av);
else
x->x_coarse_right = 0.0f;
if((ac > 1) && (IS_A_FLOAT(av, 1)))
x->x_fine_right = atom_getfloatarg(1, ac, av);
else
x->x_fine_right = 0.0f;
x->x_out_coarse = outlet_new(&x->x_obj, &s_float);
x->x_out_fine = outlet_new(&x->x_obj, &s_float);
return (x);
}
void min_dp_setup(void)
{
min_dp_class = class_new(gensym("min__"), (t_newmethod)min_dp_new, 0, sizeof(t_min_dp), 0, A_GIMME, 0);
class_addcreator((t_newmethod)min_dp_new, gensym("min''"), A_GIMME, 0);
class_addbang(min_dp_class, min_dp_bang);
class_addfloat(min_dp_class, min_dp_float);
}
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