1 /* GLIB - Library of useful routines for C programming
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GLib Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GLib Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GLib at ftp://ftp.gtk.org/pub/gtk/.
34 typedef struct _GRand GRand
;
36 /* GRand - a good and fast random number generator: Mersenne Twister
37 * see http://www.math.keio.ac.jp/~matumoto/emt.html for more info.
38 * The range functions return a value in the intervall [min,max).
40 * int_range -> [min..max-1]
42 * double_range -> [min..max)
45 GRand
* g_rand_new_with_seed (guint32 seed
);
46 GRand
* g_rand_new (void);
47 void g_rand_free (GRand
*rand
);
49 void g_rand_set_seed (GRand
*rand
,
51 guint32
g_rand_int (GRand
*rand
);
52 gint32
g_rand_int_range (GRand
*rand
,
55 gdouble
g_rand_double (GRand
*rand
);
56 gdouble
g_rand_double_range (GRand
*rand
,
60 void g_random_set_seed (guint32 seed
);
61 guint32
g_random_int (void);
62 gint32
g_random_int_range (gint32 min
,
64 gdouble
g_random_double (void);
65 gdouble
g_random_double_range (gdouble min
,
70 #endif /* __G_RAND_H__ */