aboutsummaryrefslogtreecommitdiff log msg author committer range
path: root/modules/ratio.c
blob: 777f2b9c2354473d70a02075d1794bedb587abed (plain)
 ```1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 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); } ``````