1/* GLIB - Library of useful routines for C programming
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
3 *
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 2.1 of the License, or (at your option) any later version.
8 *
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.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
16 */
17
18/*
19 * Modified by the GLib Team and others 1997-2000. See the AUTHORS
20 * file for a list of people on the GLib Team. See the ChangeLog
21 * files for a list of changes. These files are distributed with
22 * GLib at ftp://ftp.gtk.org/pub/gtk/.
23 */
24
25#ifndef __G_PRIMES_H__
26#define __G_PRIMES_H__
27
28#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
29#error "Only <glib.h> can be included directly."
30#endif
31
32#include <glib/gtypes.h>
33
34G_BEGIN_DECLS
35
36/* Prime numbers.
37 */
38
39/* This function returns prime numbers spaced by approximately 1.5-2.0
40 * and is for use in resizing data structures which prefer
41 * prime-valued sizes. The closest spaced prime function returns the
42 * next largest prime, or the highest it knows about which is about
43 * MAXINT/4.
44 */
45GLIB_AVAILABLE_IN_ALL
46guint g_spaced_primes_closest (guint num) G_GNUC_CONST;
47
48G_END_DECLS
49
50#endif /* __G_PRIMES_H__ */
51

source code of include/glib-2.0/glib/gprimes.h