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- #pragma once
- /*
- A C-program for MT19937, with initialization improved 2002/1/26.
- Coded by Takuji Nishimura and Makoto Matsumoto.
- Before using, initialize the state by using init_genrand(seed)
- or init_by_array(init_key, key_length).
- Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura,
- All rights reserved.
- Copyright (C) 2005, Mutsuo Saito
- All rights reserved.
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
- 3. The names of its contributors may not be used to endorse or promote
- products derived from this software without specific prior written
- permission.
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- Any feedback is very welcome.
- http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html
- email: m-mat @ math.sci.hiroshima-u.ac.jp (remove space)
- */
- #ifdef __cplusplus
- extern "C" {
- #endif
- /* initializes mt[N] with a seed */
- void init_genrand(unsigned long s);
- /* initialize by an array with array-length */
- /* init_key is the array for initializing keys */
- /* key_length is its length */
- /* slight change for C++, 2004/2/26 */
- void init_by_array(unsigned long init_key[], int key_length);
- /* generates a random number on [0,0xffffffff]-interval */
- unsigned long genrand_int32(void);
- /* generates a random number on [0,0x7fffffff]-interval */
- long genrand_int31(void);
- /* These real versions are due to Isaku Wada, 2002/01/09 added */
- /* generates a random number on [0,1]-real-interval */
- double genrand_real1(void);
- /* generates a random number on [0,1)-real-interval */
- double genrand_real2(void);
- /* generates a random number on (0,1)-real-interval */
- double genrand_real3(void);
- /* generates a random number on [0,1) with 53-bit resolution*/
- double genrand_res53(void);
- #ifdef __cplusplus
- }
- #endif
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