2022-06-29 16:02:05 +08:00
|
|
|
/* GLIB - Library of useful routines for C programming
|
|
|
|
|
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
|
|
|
|
|
*
|
2023-02-14 16:00:02 +08:00
|
|
|
* SPDX-License-Identifier: LGPL-2.1-or-later
|
|
|
|
|
*
|
2022-06-29 16:02:05 +08:00
|
|
|
* 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.
|
2023-02-14 16:00:02 +08:00
|
|
|
* The range functions return a value in the interval [begin, end).
|
2022-06-29 16:02:05 +08:00
|
|
|
* 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__ */
|
