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/*
* ratio.c - multiplies by 2^k such that output is between 1 and 2
* Copyright (c) 2000-2003 by Tom Schouten
*
* 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "m_pd.h"
#define SEQL 16
typedef struct{
} t_ratio_data;
typedef struct ratio
{
t_object t_ob;
t_outlet *x_out;
t_ratio_data x_c;
} t_ratio;
static void ratio_float(t_ratio *x, t_floatarg f)
{
f = (f<0)?(-f):(f);
if (f)
{
while (f < 1.0) f *= 2.0;
while (f >= 2.0) f *= 0.5;
}
outlet_float(x->x_out, f);
}
static void ratio_free(void)
{
}
t_class *ratio_class;
static void *ratio_new(void)
{
t_ratio *x = (t_ratio *)pd_new(ratio_class);
x->x_out = outlet_new(&x->t_ob, gensym("float"));
return (void *)x;
}
void ratio_setup(void)
{
ratio_class = class_new(gensym("ratio"), (t_newmethod)ratio_new,
(t_method)ratio_free, sizeof(t_ratio), 0, 0);
class_addfloat(ratio_class, ratio_float);
}
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