| /* |
| 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. |
| |
| 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) |
| */ |
| |
| #ifndef THIRD_PARTY_MT19937AR_MT19937AR_H_ |
| #define THIRD_PARTY_MT19937AR_MT19937AR_H_ |
| |
| #include <stdint.h> |
| |
| #include <vector> |
| |
| class MersenneTwister { |
| public: |
| MersenneTwister(); |
| ~MersenneTwister(); |
| |
| void init_genrand(uint32_t s); |
| void init_by_array(uint32_t init_key[], int key_length); |
| uint32_t genrand_int32(void); |
| |
| private: |
| std::vector<uint32_t> mt; /* the array for the state vector */ |
| int mti; /* mti==N+1 means mt[N] is not initialized */ |
| }; |
| |
| #endif // THIRD_PARTY_MT19937AR_MT19937AR_H_ |