diff options
Diffstat (limited to 'protocols/Sametime/src/glib/grand.h')
| -rw-r--r-- | protocols/Sametime/src/glib/grand.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/protocols/Sametime/src/glib/grand.h b/protocols/Sametime/src/glib/grand.h new file mode 100644 index 0000000000..07907dfc17 --- /dev/null +++ b/protocols/Sametime/src/glib/grand.h @@ -0,0 +1,85 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only <glib.h> can be included directly." +#endif + +#ifndef __G_RAND_H__ +#define __G_RAND_H__ + +#include <glib/gtypes.h> + +G_BEGIN_DECLS + +typedef struct _GRand GRand; + +/* GRand - a good and fast random number generator: Mersenne Twister + * see http://www.math.keio.ac.jp/~matumoto/emt.html for more info. + * The range functions return a value in the intervall [begin, end). + * int -> [0..2^32-1] + * int_range -> [begin..end-1] + * double -> [0..1) + * double_range -> [begin..end) + */ + +GRand* g_rand_new_with_seed (guint32 seed); +GRand* g_rand_new_with_seed_array (const guint32 *seed, + guint seed_length); +GRand* g_rand_new (void); +void g_rand_free (GRand *rand_); +GRand* g_rand_copy (GRand *rand_); +void g_rand_set_seed (GRand *rand_, + guint32 seed); +void g_rand_set_seed_array (GRand *rand_, + const guint32 *seed, + guint seed_length); + +#define g_rand_boolean(rand_) ((g_rand_int (rand_) & (1 << 15)) != 0) + +guint32 g_rand_int (GRand *rand_); +gint32 g_rand_int_range (GRand *rand_, + gint32 begin, + gint32 end); +gdouble g_rand_double (GRand *rand_); +gdouble g_rand_double_range (GRand *rand_, + gdouble begin, + gdouble end); +void g_random_set_seed (guint32 seed); + +#define g_random_boolean() ((g_random_int () & (1 << 15)) != 0) + +guint32 g_random_int (void); +gint32 g_random_int_range (gint32 begin, + gint32 end); +gdouble g_random_double (void); +gdouble g_random_double_range (gdouble begin, + gdouble end); + + +G_END_DECLS + +#endif /* __G_RAND_H__ */ |