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root/svn/ircd-hybrid-7.3/include/rng_mt.h
Revision: 982
Committed: Thu Aug 13 22:15:08 2009 UTC (16 years, 11 months ago) by michael
Content type: text/x-chdr
Original Path: ircd-hybrid-7.2/include/rng_mt.h
File size: 2188 byte(s)
Log Message:
- added a mersenne twister basedn prng

File Contents

# User Rev Content
1 michael 982 /*
2     A C-program for MT19937, with initialization improved 2002/1/26.
3     Coded by Takuji Nishimura and Makoto Matsumoto.
4    
5     Before using, initialize the state by using init_genrand(seed)
6     or init_by_array(init_key, key_length).
7    
8     Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura,
9     All rights reserved.
10    
11     Redistribution and use in source and binary forms, with or without
12     modification, are permitted provided that the following conditions
13     are met:
14    
15     1. Redistributions of source code must retain the above copyright
16     notice, this list of conditions and the following disclaimer.
17    
18     2. Redistributions in binary form must reproduce the above copyright
19     notice, this list of conditions and the following disclaimer in the
20     documentation and/or other materials provided with the distribution.
21    
22     3. The names of its contributors may not be used to endorse or promote
23     products derived from this software without specific prior written
24     permission.
25    
26     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29     A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
30     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
31     EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
32     PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
33     PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
34     LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
35     NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37    
38    
39     Any feedback is very welcome.
40     http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html
41     email: m-mat @ math.sci.hiroshima-u.ac.jp (remove space)
42    
43     $Id$
44     */
45    
46    
47     #ifndef __include_rng_mt_header__
48     #define __include_rng_mt_header__
49    
50     extern void init_genrand(unsigned long);
51     extern void init_by_array(unsigned long[], int);
52     extern unsigned long genrand_int32(void);
53     #endif

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svn:eol-style native