2008-06-25 03:33:36 -04:00
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/* Mersenne Twister pseudo-random number generator defines.
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Copyright 2002, 2003 Free Software Foundation, Inc.
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This file is part of the GNU MP Library.
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The GNU MP Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version.
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The GNU MP Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/* Number of extractions used to warm the buffer up. */
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#define WARM_UP 2000
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/* Period parameters. */
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#define N 624
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#define M 397
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#define MATRIX_A 0x9908B0DF /* Constant vector a. */
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/* State structure for MT. */
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typedef struct
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{
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gmp_uint_least32_t mt[N]; /* State array. */
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int mti; /* Index of current value. */
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} gmp_rand_mt_struct;
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void __gmp_mt_recalc_buffer __GMP_PROTO ((gmp_uint_least32_t *));
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void __gmp_randget_mt __GMP_PROTO ((gmp_randstate_t, mp_ptr, unsigned long int));
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void __gmp_randclear_mt __GMP_PROTO ((gmp_randstate_t rstate));
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void __gmp_randiset_mt __GMP_PROTO ((gmp_randstate_ptr, gmp_randstate_srcptr));
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