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 34 G_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 */ 45 GLIB_AVAILABLE_IN_ALL 46 guint g_spaced_primes_closest (guint num) G_GNUC_CONST; 47 48 G_END_DECLS 49 50 #endif /* __G_PRIMES_H__ */ 51