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 --- weibull.c | 182 +++++++++++++++++++++++++++++++------------------------------- 1 file changed, 91 insertions(+), 91 deletions(-) (limited to 'weibull.c') diff --git a/weibull.c b/weibull.c index a6e8564..b3ff821 100644 --- a/weibull.c +++ b/weibull.c @@ -1,95 +1,95 @@ -/* ---------------------------- rand_weibull ---------------------------------- */ -/* */ -/* rand_weibull generates a weibull 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_weibull ---------------------------------- */ +/* */ +/* rand_weibull generates a weibull 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 -#ifndef M_PI -#define M_PI 3.1415927 -#endif +#include +#include +#include -static char *version = "weibull v0.1, generates a weibull distributed random variable\n" - " written by Olaf Matthes "; +#define fran() (t_float)rand()/(t_float)RAND_MAX +#ifndef M_PI +#define M_PI 3.1415927 +#endif -/* -------------------------- rand_weibull ------------------------------ */ - -static t_class *rand_weibull_class; - -typedef struct _rand_weibull -{ - t_object x_obj; - t_float x_s; - t_float x_t; -} t_rand_weibull; - -static void *rand_weibull_new(t_floatarg s, t_floatarg t) -{ - t_rand_weibull *x = (t_rand_weibull *)pd_new(rand_weibull_class); - srand( (unsigned)time( NULL ) ); - floatinlet_new(&x->x_obj, &x->x_s); - floatinlet_new(&x->x_obj, &x->x_t); - outlet_new(&x->x_obj, &s_float); - x->x_s = s; - x->x_t = t; - return (x); -} - -static void rand_weibull_bang(t_rand_weibull *x) -{ - t_float u, a, t, tinv; - t = (x->x_t <= 0 ? 0.0001 : x->x_t); - tinv = 1/t; - do - { - u = fran(); - } - while(u == 0 || u == 1); - a = 1/(1 - u); - outlet_float(x->x_obj.ob_outlet, x->x_s*pow(log(a), tinv)); -} - -#ifndef MAXLIB -void weibull_setup(void) -{ - rand_weibull_class = class_new(gensym("weibull"), (t_newmethod)rand_weibull_new, 0, - sizeof(t_rand_weibull), 0, A_DEFFLOAT, A_DEFFLOAT, 0); -#else -void maxlib_weibull_setup(void) -{ - rand_weibull_class = class_new(gensym("maxlib_weibull"), (t_newmethod)rand_weibull_new, 0, - sizeof(t_rand_weibull), 0, A_DEFFLOAT, A_DEFFLOAT, 0); - class_addcreator((t_newmethod)rand_weibull_new, gensym("weibull"), A_DEFFLOAT, A_DEFFLOAT, 0); -#endif - class_addbang(rand_weibull_class, rand_weibull_bang); -#ifndef MAXLIB - class_sethelpsymbol(rand_weibull_class, gensym("weibull-help.pd")); - post(version); -#else - class_sethelpsymbol(rand_weibull_class, gensym("maxlib/weibull-help.pd")); -#endif -} +static char *version = "weibull v0.1, generates a weibull distributed random variable\n" + " written by Olaf Matthes "; + +/* -------------------------- rand_weibull ------------------------------ */ + +static t_class *rand_weibull_class; + +typedef struct _rand_weibull +{ + t_object x_obj; + t_float x_s; + t_float x_t; +} t_rand_weibull; + +static void *rand_weibull_new(t_floatarg s, t_floatarg t) +{ + t_rand_weibull *x = (t_rand_weibull *)pd_new(rand_weibull_class); + srand( (unsigned)time( NULL ) ); + floatinlet_new(&x->x_obj, &x->x_s); + floatinlet_new(&x->x_obj, &x->x_t); + outlet_new(&x->x_obj, &s_float); + x->x_s = s; + x->x_t = t; + return (x); +} + +static void rand_weibull_bang(t_rand_weibull *x) +{ + t_float u, a, t, tinv; + t = (x->x_t <= 0 ? 0.0001 : x->x_t); + tinv = 1/t; + do + { + u = fran(); + } + while(u == 0 || u == 1); + a = 1/(1 - u); + outlet_float(x->x_obj.ob_outlet, x->x_s*pow(log(a), tinv)); +} + +#ifndef MAXLIB +void weibull_setup(void) +{ + rand_weibull_class = class_new(gensym("weibull"), (t_newmethod)rand_weibull_new, 0, + sizeof(t_rand_weibull), 0, A_DEFFLOAT, A_DEFFLOAT, 0); +#else +void maxlib_weibull_setup(void) +{ + rand_weibull_class = class_new(gensym("maxlib_weibull"), (t_newmethod)rand_weibull_new, 0, + sizeof(t_rand_weibull), 0, A_DEFFLOAT, A_DEFFLOAT, 0); + class_addcreator((t_newmethod)rand_weibull_new, gensym("weibull"), A_DEFFLOAT, A_DEFFLOAT, 0); +#endif + class_addbang(rand_weibull_class, rand_weibull_bang); +#ifndef MAXLIB + class_sethelpsymbol(rand_weibull_class, gensym("weibull-help.pd")); + logpost(NULL, 4, version); +#else + class_sethelpsymbol(rand_weibull_class, gensym("maxlib/weibull-help.pd")); +#endif +} -- cgit v1.2.1