From 12315f4d0e0ae993805f141f64cb8c73c5297311 Mon Sep 17 00:00:00 2001
From: Hans Lambermont <hans@lambermont.dyndns.org>
Date: Sat, 12 Oct 2002 11:37:38 +0000
Subject: Initial revision

---
 source/blender/blenlib/BLI_rand.h | 68 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 source/blender/blenlib/BLI_rand.h

(limited to 'source/blender/blenlib/BLI_rand.h')

diff --git a/source/blender/blenlib/BLI_rand.h b/source/blender/blenlib/BLI_rand.h
new file mode 100644
index 00000000000..05dc746e7e0
--- /dev/null
+++ b/source/blender/blenlib/BLI_rand.h
@@ -0,0 +1,68 @@
+/**
+ * @file BLI_rand.h
+ * 
+ * Random number functions.
+ * $Id$
+ *
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ */
+ 
+#ifndef BLI_RAND_H
+#define BLI_RAND_H
+
+	/** Seed the random number generator */
+void	BLI_srand		(unsigned int seed);
+
+	/** Return a pseudo-random number N where 0<=N<(2^31) */
+int		BLI_rand		(void);
+
+	/** Return a pseudo-random number N where 0.0<=N<1.0 */
+double	BLI_drand		(void);
+
+	/** Return a pseudo-random number N where 0.0f<=N<1.0f */
+float	BLI_frand		(void);
+
+	/** Fills a block of memory starting at @a addr
+	 * and extending @a len bytes with pseudo-random
+	 * contents. This routine does not use nor modify
+	 * the state of the BLI random number generator.
+	 */
+void	BLI_fillrand	(void *addr, int len);
+
+	/** Stores the BLI randum number generator state
+	 * into the buffer in @a loc_r.
+	 */
+void	BLI_storerand	(unsigned int loc_r[2]);
+
+	/** Retores the BLI randum number generator state
+	 * from the buffer in @a loc.
+	 */
+void	BLI_restorerand	(unsigned int loc[2]);
+
+#endif
-- 
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