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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.

iemlib2 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */

#ifdef NT
#pragma warning( disable : 4244 )
#pragma warning( disable : 4305 )
#endif


#include "m_pd.h"
#include "iemlib.h"
#include <math.h>
#include <stdio.h>
#include <string.h>


/* ------------------------ round_zero ---------------------------- */
static t_class *round_zero_class;

typedef struct _round_zero
{
	t_object	x_obj;
	t_float		x_bound;
} t_round_zero;

static void round_zero_anything(t_round_zero *x, t_symbol *s, int ac, t_atom *av)
{
	int i;
	t_float f, bound=x->x_bound;

	for(i=0; i<ac; i++)
	{
		if(IS_A_FLOAT(av, i))
		{
			f = atom_getfloatarg(i, ac, av);
			if((f <= bound)&&(f >= -bound))
			{
				f = 0.0f;
				SETFLOAT(av+i, f);
			}
		}
	}
	outlet_anything(x->x_obj.ob_outlet, s, ac, av);
}

static void *round_zero_new(t_floatarg bound)
{
    t_round_zero *x = (t_round_zero *)pd_new(round_zero_class);

		if(bound < 0.0f)
			x->x_bound = -bound;
		else
			x->x_bound = bound;
    outlet_new(&x->x_obj, &s_list);
    return (x);
}

void round_zero_setup(void)
{
    round_zero_class = class_new(gensym("round_zero"), (t_newmethod)round_zero_new,
			       0, sizeof(t_round_zero), 0, A_DEFFLOAT, 0);
    class_addanything(round_zero_class, round_zero_anything);
    class_sethelpsymbol(round_zero_class, gensym("iemhelp/help-round_zero"));
}