| /* GLIB - Library of useful routines for C programming |
| * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald |
| * |
| * SPDX-License-Identifier: LGPL-2.1-or-later |
| * |
| * 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 2.1 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, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| /* |
| * 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/. |
| */ |
| |
| #ifndef __G_RAND_H__ |
| #define __G_RAND_H__ |
| |
| #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) |
| #error "Only <glib.h> can be included directly." |
| #endif |
| |
| #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.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html for more info. |
| * The range functions return a value in the interval [begin, end). |
| * int -> [0..2^32-1] |
| * int_range -> [begin..end-1] |
| * double -> [0..1) |
| * double_range -> [begin..end) |
| */ |
| |
| GLIB_AVAILABLE_IN_ALL |
| GRand* g_rand_new_with_seed (guint32 seed); |
| GLIB_AVAILABLE_IN_ALL |
| GRand* g_rand_new_with_seed_array (const guint32 *seed, |
| guint seed_length); |
| GLIB_AVAILABLE_IN_ALL |
| GRand* g_rand_new (void); |
| GLIB_AVAILABLE_IN_ALL |
| void g_rand_free (GRand *rand_); |
| GLIB_AVAILABLE_IN_ALL |
| GRand* g_rand_copy (GRand *rand_); |
| GLIB_AVAILABLE_IN_ALL |
| void g_rand_set_seed (GRand *rand_, |
| guint32 seed); |
| GLIB_AVAILABLE_IN_ALL |
| 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) |
| |
| GLIB_AVAILABLE_IN_ALL |
| guint32 g_rand_int (GRand *rand_); |
| GLIB_AVAILABLE_IN_ALL |
| gint32 g_rand_int_range (GRand *rand_, |
| gint32 begin, |
| gint32 end); |
| GLIB_AVAILABLE_IN_ALL |
| gdouble g_rand_double (GRand *rand_); |
| GLIB_AVAILABLE_IN_ALL |
| gdouble g_rand_double_range (GRand *rand_, |
| gdouble begin, |
| gdouble end); |
| GLIB_AVAILABLE_IN_ALL |
| void g_random_set_seed (guint32 seed); |
| |
| #define g_random_boolean() ((g_random_int () & (1 << 15)) != 0) |
| |
| GLIB_AVAILABLE_IN_ALL |
| guint32 g_random_int (void); |
| GLIB_AVAILABLE_IN_ALL |
| gint32 g_random_int_range (gint32 begin, |
| gint32 end); |
| GLIB_AVAILABLE_IN_ALL |
| gdouble g_random_double (void); |
| GLIB_AVAILABLE_IN_ALL |
| gdouble g_random_double_range (gdouble begin, |
| gdouble end); |
| |
| |
| G_END_DECLS |
| |
| #endif /* __G_RAND_H__ */ |