From 71b83fc040b848c98c5065d95ecbc72b0b4f8943 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Thu, 17 Jan 2013 22:54:00 +0000 Subject: merging maxlib v1.5.5 from branches/pd-extended/0.43 svn path=/trunk/externals/maxlib/; revision=16897 --- bilex.c | 174 ++++++++++++++++++++++++++++++++-------------------------------- 1 file changed, 87 insertions(+), 87 deletions(-) (limited to 'bilex.c') diff --git a/bilex.c b/bilex.c index eb54aa4..6bd432e 100644 --- a/bilex.c +++ b/bilex.c @@ -1,91 +1,91 @@ -/* ---------------------------- rand_bilex ------------------------------------ */ -/* */ -/* rand_bilex generates a bilinear exponentially distributed random variable. */ -/* Written by Olaf Matthes (olaf.matthes@gmx.de) */ -/* Based on code found in Dodge/Jerse "Computer Music" */ -/* Get source at http://www.akustische-kunst.org/puredata/maxlib/ */ -/* */ -/* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -/* */ -/* Based on PureData by Miller Puckette and others. */ -/* */ -/* ---------------------------------------------------------------------------- */ +/* ---------------------------- rand_bilex ------------------------------------ */ +/* */ +/* rand_bilex generates a bilinear exponentially distributed random variable. */ +/* Written by Olaf Matthes (olaf.matthes@gmx.de) */ +/* Based on code found in Dodge/Jerse "Computer Music" */ +/* Get source at http://www.akustische-kunst.org/puredata/maxlib/ */ +/* */ +/* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +/* */ +/* Based on PureData by Miller Puckette and others. */ +/* */ +/* ---------------------------------------------------------------------------- */ #include "m_pd.h" -#include -#include -#include - -#define fran() (t_float)rand()/(t_float)RAND_MAX +#include +#include +#include -static char *version = "bilex v0.1, generates bilinear exponentially distributed random\n" - " variable, written by Olaf Matthes "; +#define fran() (t_float)rand()/(t_float)RAND_MAX -/* -------------------------- rand_bilex ------------------------------ */ - -static t_class *rand_bilex_class; - -typedef struct _rand_bilex -{ - t_object x_obj; - t_float x_lambda; -} t_rand_bilex; - -static void *rand_bilex_new(t_floatarg f) -{ - t_rand_bilex *x = (t_rand_bilex *)pd_new(rand_bilex_class); - srand( (unsigned)time( NULL ) ); - floatinlet_new(&x->x_obj, &x->x_lambda); - outlet_new(&x->x_obj, &s_float); - x->x_lambda = f; - return (x); -} - -static void rand_bilex_bang(t_rand_bilex *x) -{ - t_float u, s = 1, l; - l = (x->x_lambda <= 0 ? 0.0001 : x->x_lambda); - do - { - u = 2*fran(); - } - while(u == 0 || u == 2); - if(u > 1) - { - u = 2-u; - s=-1; - } - outlet_float(x->x_obj.ob_outlet, s*log(u)/l); -} - -#ifndef MAXLIB -void bilex_setup(void) -{ - rand_bilex_class = class_new(gensym("bilex"), (t_newmethod)rand_bilex_new, 0, - sizeof(t_rand_bilex), 0, A_DEFFLOAT, 0); - class_addbang(rand_bilex_class, rand_bilex_bang); - class_sethelpsymbol(rand_bilex_class, gensym("bilex-help.pd")); - post(version); -} -#else -void maxlib_bilex_setup(void) -{ - rand_bilex_class = class_new(gensym("maxlib_bilex"), (t_newmethod)rand_bilex_new, 0, - sizeof(t_rand_bilex), 0, A_DEFFLOAT, 0); - class_addbang(rand_bilex_class, rand_bilex_bang); - class_addcreator((t_newmethod)rand_bilex_new, gensym("bilex"), A_DEFFLOAT, 0); - class_sethelpsymbol(rand_bilex_class, gensym("maxlib/bilex-help.pd")); -} -#endif +static char *version = "bilex v0.1, generates bilinear exponentially distributed random\n" + " variable, written by Olaf Matthes "; + +/* -------------------------- rand_bilex ------------------------------ */ + +static t_class *rand_bilex_class; + +typedef struct _rand_bilex +{ + t_object x_obj; + t_float x_lambda; +} t_rand_bilex; + +static void *rand_bilex_new(t_floatarg f) +{ + t_rand_bilex *x = (t_rand_bilex *)pd_new(rand_bilex_class); + srand( (unsigned)time( NULL ) ); + floatinlet_new(&x->x_obj, &x->x_lambda); + outlet_new(&x->x_obj, &s_float); + x->x_lambda = f; + return (x); +} + +static void rand_bilex_bang(t_rand_bilex *x) +{ + t_float u, s = 1, l; + l = (x->x_lambda <= 0 ? 0.0001 : x->x_lambda); + do + { + u = 2*fran(); + } + while(u == 0 || u == 2); + if(u > 1) + { + u = 2-u; + s=-1; + } + outlet_float(x->x_obj.ob_outlet, s*log(u)/l); +} + +#ifndef MAXLIB +void bilex_setup(void) +{ + rand_bilex_class = class_new(gensym("bilex"), (t_newmethod)rand_bilex_new, 0, + sizeof(t_rand_bilex), 0, A_DEFFLOAT, 0); + class_addbang(rand_bilex_class, rand_bilex_bang); + class_sethelpsymbol(rand_bilex_class, gensym("bilex-help.pd")); + logpost(NULL, 4, version); +} +#else +void maxlib_bilex_setup(void) +{ + rand_bilex_class = class_new(gensym("maxlib_bilex"), (t_newmethod)rand_bilex_new, 0, + sizeof(t_rand_bilex), 0, A_DEFFLOAT, 0); + class_addbang(rand_bilex_class, rand_bilex_bang); + class_addcreator((t_newmethod)rand_bilex_new, gensym("bilex"), A_DEFFLOAT, 0); + class_sethelpsymbol(rand_bilex_class, gensym("maxlib/bilex-help.pd")); +} +#endif -- cgit v1.2.1