// // 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) // // 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 );