1/* GLIB - Library of useful routines for C programming
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
3 *
4 * SPDX-License-Identifier: LGPL-2.1-or-later
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20/*
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/.
25 */
26
27#ifndef __G_PRIMES_H__
28#define __G_PRIMES_H__
29
30#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
31#error "Only <glib.h> can be included directly."
32#endif
33
34#include <glib/gtypes.h>
35
36G_BEGIN_DECLS
37
38/* Prime numbers.
39 */
40
41/* This function returns prime numbers spaced by approximately 1.5-2.0
42 * and is for use in resizing data structures which prefer
43 * prime-valued sizes. The closest spaced prime function returns the
44 * next largest prime, or the highest it knows about which is about
45 * MAXINT/4.
46 */
47GLIB_AVAILABLE_IN_ALL
48guint g_spaced_primes_closest (guint num) G_GNUC_CONST;
49
50G_END_DECLS
51
52#endif /* __G_PRIMES_H__ */
53