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/******************************************************
*
* zexy - implementation file
*
* copyleft (c) IOhannes m zmölnig
*
* 1999:forum::für::umläute:2004
*
* institute of electronic music and acoustics (iem)
*
******************************************************
*
* license: GNU General Public License v.2
*
******************************************************/
#include "zexy.h"
/* minmax :: get minimum and maximum of a list */
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)
{
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, gensym("float"));
x->maxo=outlet_new(&x->x_obj, gensym("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);
class_sethelpsymbol(minmax_class, gensym("zexy/minmax"));
zexy_register("minmax");
}
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