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authorHans-Christoph Steiner <eighthave@users.sourceforge.net>2013-01-17 22:54:00 +0000
committerIOhannes m zmölnig <zmoelnig@iem.at>2015-10-14 13:53:22 +0200
commit71b83fc040b848c98c5065d95ecbc72b0b4f8943 (patch)
treeb64020d616887a488f8304fc13f57ff4d6c4e313 /poisson.c
parent2b487890477a2ad969a1694270cee19b1265f3f6 (diff)
merging maxlib v1.5.5 from branches/pd-extended/0.43HEADsvn2git-headmaster
svn path=/trunk/externals/maxlib/; revision=16897
Diffstat (limited to 'poisson.c')
-rw-r--r--poisson.c182
1 files changed, 91 insertions, 91 deletions
diff --git a/poisson.c b/poisson.c
index ce2e33b..499886c 100644
--- a/poisson.c
+++ b/poisson.c
@@ -1,91 +1,91 @@
-/* ---------------------------- rand_poisson ---------------------------------- */
-/* */
-/* rand_poisson generates a poisson 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 <stdlib.h>
-#include <time.h>
-#include <math.h>
-
-#define fran() (t_float)rand()/(t_float)RAND_MAX
-#ifndef M_PI
-#define M_PI 3.1415927
-#endif
-
-static char *version = "poisson v0.1, generates a poisson distributed random variable\n"
- " written by Olaf Matthes <olaf.matthes@gmx.de>";
-
-/* -------------------------- rand_poisson ------------------------------ */
-
-static t_class *rand_poisson_class;
-
-typedef struct _rand_poisson
-{
- t_object x_obj;
- t_float x_lambda;
-} t_rand_poisson;
-
-static void *rand_poisson_new(t_floatarg f)
-{
- t_rand_poisson *x = (t_rand_poisson *)pd_new(rand_poisson_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_poisson_bang(t_rand_poisson *x)
-{
- t_float u, v;
- t_int n = 0;
- v = exp(-x->x_lambda);
- u = fran();
- while(u > v)
- {
- u *= fran();
- n++;
- }
- outlet_float(x->x_obj.ob_outlet, n);
-}
-
-#ifndef MAXLIB
-void poisson_setup(void)
-{
- rand_poisson_class = class_new(gensym("poisson"), (t_newmethod)rand_poisson_new, 0,
- sizeof(t_rand_poisson), 0, A_DEFFLOAT, 0);
- class_addbang(rand_poisson_class, rand_poisson_bang);
- class_sethelpsymbol(rand_poisson_class, gensym("poisson-help.pd"));
- post(version);
-}
-#else
-void maxlib_poisson_setup(void)
-{
- rand_poisson_class = class_new(gensym("maxlib_poisson"), (t_newmethod)rand_poisson_new, 0,
- sizeof(t_rand_poisson), 0, A_DEFFLOAT, 0);
- class_addcreator((t_newmethod)rand_poisson_new, gensym("poisson"), A_DEFFLOAT, 0);
- class_addbang(rand_poisson_class, rand_poisson_bang);
- class_sethelpsymbol(rand_poisson_class, gensym("maxlib/poisson-help.pd"));
-}
-#endif
+/* ---------------------------- rand_poisson ---------------------------------- */
+/* */
+/* rand_poisson generates a poisson 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 <stdlib.h>
+#include <time.h>
+#include <math.h>
+
+#define fran() (t_float)rand()/(t_float)RAND_MAX
+#ifndef M_PI
+#define M_PI 3.1415927
+#endif
+
+static char *version = "poisson v0.1, generates a poisson distributed random variable\n"
+ " written by Olaf Matthes <olaf.matthes@gmx.de>";
+
+/* -------------------------- rand_poisson ------------------------------ */
+
+static t_class *rand_poisson_class;
+
+typedef struct _rand_poisson
+{
+ t_object x_obj;
+ t_float x_lambda;
+} t_rand_poisson;
+
+static void *rand_poisson_new(t_floatarg f)
+{
+ t_rand_poisson *x = (t_rand_poisson *)pd_new(rand_poisson_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_poisson_bang(t_rand_poisson *x)
+{
+ t_float u, v;
+ t_int n = 0;
+ v = exp(-x->x_lambda);
+ u = fran();
+ while(u > v)
+ {
+ u *= fran();
+ n++;
+ }
+ outlet_float(x->x_obj.ob_outlet, n);
+}
+
+#ifndef MAXLIB
+void poisson_setup(void)
+{
+ rand_poisson_class = class_new(gensym("poisson"), (t_newmethod)rand_poisson_new, 0,
+ sizeof(t_rand_poisson), 0, A_DEFFLOAT, 0);
+ class_addbang(rand_poisson_class, rand_poisson_bang);
+ class_sethelpsymbol(rand_poisson_class, gensym("poisson-help.pd"));
+ logpost(NULL, 4, version);
+}
+#else
+void maxlib_poisson_setup(void)
+{
+ rand_poisson_class = class_new(gensym("maxlib_poisson"), (t_newmethod)rand_poisson_new, 0,
+ sizeof(t_rand_poisson), 0, A_DEFFLOAT, 0);
+ class_addcreator((t_newmethod)rand_poisson_new, gensym("poisson"), A_DEFFLOAT, 0);
+ class_addbang(rand_poisson_class, rand_poisson_bang);
+ class_sethelpsymbol(rand_poisson_class, gensym("maxlib/poisson-help.pd"));
+}
+#endif