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/*
* minmax :: get minimum and maximum of a list
*
* (c) 1999-2011 IOhannes m zmölnig, forum::für::umläute, institute of electronic music and acoustics (iem)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "zexy.h"
static t_class *minmax_class;
typedef struct _minmax
{
t_object x_obj;
t_float min;
t_float max;
t_outlet *mino, *maxo;
} t_minmax;
static void minmax_bang(t_minmax *x)
{
outlet_float(x->maxo,x->max);
outlet_float(x->mino,x->min);
}
static void minmax_list(t_minmax *x, t_symbol *s, int argc, t_atom *argv)
{
ZEXY_USEVAR(s);
if(argc){
t_float min = atom_getfloat(argv++);
t_float max=min;
argc--;
while(argc--){
t_float f = atom_getfloat(argv++);
if (f<min)min=f;
else if (f>max)max=f;
}
x->min=min;
x->max=max;
}
minmax_bang(x);
}
static void *minmax_new(void)
{
t_minmax *x = (t_minmax *)pd_new(minmax_class);
x->mino=outlet_new(&x->x_obj, &s_float);
x->maxo=outlet_new(&x->x_obj, &s_float);
x->min = x->max = 0;
return (x);
}
static void minmax_help(void)
{
post("minmax\t:: get minimum and maximum of a list of floats");
}
void minmax_setup(void)
{
minmax_class = class_new(gensym("minmax"), (t_newmethod)minmax_new, 0,
sizeof(t_minmax), 0, A_DEFFLOAT, 0);
class_addlist(minmax_class, (t_method)minmax_list);
class_addbang(minmax_class, (t_method)minmax_bang);
class_addmethod(minmax_class, (t_method)minmax_help, gensym("help"), 0);
zexy_register("minmax");
}
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