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mt19937ar.h
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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// Copyright (C) 2005, Mutsuo Saito
11// All rights reserved.
12//
13// Redistribution and use in source and binary forms, with or without
14// modification, are permitted provided that the following conditions
15// are met:
16//
17// 1. Redistributions of source code must retain the above copyright
18// notice, this list of conditions and the following disclaimer.
19//
20// 2. Redistributions in binary form must reproduce the above copyright
21// notice, this list of conditions and the following disclaimer in the
22// documentation and/or other materials provided with the distribution.
23//
24// 3. The names of its contributors may not be used to endorse or promote
25// products derived from this software without specific prior written
26// permission.
27//
28// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
32// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
33// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
34// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
35// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
36// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
37// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
38// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39//
40//
41// Any feedback is very welcome.
42// http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html
43// email: m-mat @ math.sci.hiroshima-u.ac.jp (remove space)
44//
45
46// initializes mt[N] with a seed
47void init_genrand( unsigned long s );
48
49// initialize by an array with array-length
50// init_key is the array for initializing keys
51// key_length is its length
52// slight change for C++, 2004/2/26
53void init_by_array( unsigned long init_key[], int key_length );
54
55// generates a random number on [0,0xffffffff]-interval
56unsigned long genrand_int32( void );
57
58// generates a random number on [0,0x7fffffff]-interval
59long genrand_int31( void );
60
61// These real versions are due to Isaku Wada, 2002/01/09 added
62// generates a random number on [0,1]-real-interval
63double genrand_real1( void );
64
65// generates a random number on [0,1)-real-interval
66double genrand_real2( void );
67
68// generates a random number on (0,1)-real-interval
69double genrand_real3( void );
70
71// generates a random number on [0,1) with 53-bit resolution
72double genrand_res53( void );
unsigned long genrand_int32(void)
Definition: mt19937ar.c:128
double genrand_real2(void)
Definition: mt19937ar.c:191
void init_genrand(unsigned long s)
Definition: mt19937ar.c:68
long genrand_int31(void)
Definition: mt19937ar.c:172
double genrand_real3(void)
Definition: mt19937ar.c:201
void init_by_array(unsigned long init_key[], int key_length)
Definition: mt19937ar.c:90
double genrand_res53(void)
Definition: mt19937ar.c:211
double genrand_real1(void)
Definition: mt19937ar.c:181