source: soft/giet_vm/applications/rosenfeld/include/mt19937.h @ 795

Last change on this file since 795 was 772, checked in by meunier, 9 years ago
  • Ajout de l'application rosenfeld
  • Changement du nom du flag O_CREATE en O_CREAT
File size: 2.9 KB
RevLine 
[772]1/*
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/* initializes mt[N] with a seed */
44void init_genrand(unsigned long s);
45
46/* initialize by an array with array-length */
47/* init_key is the array for initializing keys */
48/* key_length is its length */
49/* slight change for C++, 2004/2/26 */
50void init_by_array(unsigned long init_key[], int key_length);
51
52
53/* generates a random number on [0,0xffffffff]-interval */
54unsigned long genrand_int32(void);
55
56/* generates a random number on [0,0x7fffffff]-interval */
57long genrand_int31(void);
58
59/* generates a random number on [0,1]-real-interval */
60double genrand_real1(void);
61
62/* generates a random number on [0,1)-real-interval */
63double genrand_real2(void);
64
65/* generates a random number on (0,1)-real-interval */
66double genrand_real3(void);
67
68/* generates a random number on [0,1) with 53-bit resolution*/
69double genrand_res53(void);
70
71
72/* These real versions are due to Isaku Wada, 2002/01/09 added */
73
74int test_mt19937(void);
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