randmt.h
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上传日期:2022-08-06
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- /* Mersenne Twister pseudo-random number generator defines.
- Copyright 2002, 2003 Free Software Foundation, Inc.
- This file is part of the GNU MP Library.
- The GNU MP Library is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 3 of the License, or (at your
- option) any later version.
- The GNU MP Library is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
- License for more details.
- You should have received a copy of the GNU Lesser General Public License
- along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
- /* Number of extractions used to warm the buffer up. */
- #define WARM_UP 2000
- /* Period parameters. */
- #define N 624
- #define M 397
- #define MATRIX_A 0x9908B0DF /* Constant vector a. */
- /* State structure for MT. */
- typedef struct
- {
- gmp_uint_least32_t mt[N]; /* State array. */
- int mti; /* Index of current value. */
- } gmp_rand_mt_struct;
- void __gmp_mt_recalc_buffer __GMP_PROTO ((gmp_uint_least32_t *));
- void __gmp_randget_mt __GMP_PROTO ((gmp_randstate_t, mp_ptr, unsigned long int));
- void __gmp_randclear_mt __GMP_PROTO ((gmp_randstate_t rstate));
- void __gmp_randiset_mt __GMP_PROTO ((gmp_randstate_ptr, gmp_randstate_srcptr));