1 /* Mersenne Twister pseudo-random number generator defines. 2 3 Copyright 2002, 2003 Free Software Foundation, Inc. 4 5 This file is part of the GNU MP Library. 6 7 The GNU MP Library is free software; you can redistribute it and/or modify 8 it under the terms of the GNU Lesser General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or (at your 10 option) any later version. 11 12 The GNU MP Library is distributed in the hope that it will be useful, but 13 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 15 License for more details. 16 17 You should have received a copy of the GNU Lesser General Public License 18 along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */ 19 20 21 /* Number of extractions used to warm the buffer up. */ 22 #define WARM_UP 2000 23 24 /* Period parameters. */ 25 #define N 624 26 #define M 397 27 #define MATRIX_A 0x9908B0DF /* Constant vector a. */ 28 29 /* State structure for MT. */ 30 typedef struct 31 { 32 gmp_uint_least32_t mt[N]; /* State array. */ 33 int mti; /* Index of current value. */ 34 } gmp_rand_mt_struct; 35 36 37 void __gmp_mt_recalc_buffer (gmp_uint_least32_t *); 38 void __gmp_randget_mt (gmp_randstate_t, mp_ptr, unsigned long int); 39 void __gmp_randclear_mt (gmp_randstate_t); 40 void __gmp_randiset_mt (gmp_randstate_ptr, gmp_randstate_srcptr); 41