From cdf8ded57019d5c905f16422d40be7b1a18ab3bc Mon Sep 17 00:00:00 2001 From: Tom Schouten Date: Tue, 21 Jan 2003 10:18:19 +0000 Subject: This commit was generated by cvs2svn to compensate for changes in r350, which included commits to RCS files with non-trunk default branches. svn path=/trunk/externals/creb/; revision=351 --- modules/ratio.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 modules/ratio.c (limited to 'modules/ratio.c') diff --git a/modules/ratio.c b/modules/ratio.c new file mode 100644 index 0000000..777f2b9 --- /dev/null +++ b/modules/ratio.c @@ -0,0 +1,66 @@ +/* + * 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 < 1.0f) f *= 2.0f; + while (f >= 2.0f) f *= 0.5f; + } + 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); +} + -- cgit v1.2.1