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author | Torbjorn Granlund <tege@gmplib.org> | 2010-11-11 09:56:42 +0100 |
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committer | Torbjorn Granlund <tege@gmplib.org> | 2010-11-11 09:56:42 +0100 |
commit | fb80223734ba92b2a182f29b00751e509dbece06 (patch) | |
tree | 014931d1dc5a4f1024644986a489c3859f1df727 /rand/randmt.h | |
parent | 5b824f09ff34399acf7458217a903c928f7eb83b (diff) | |
download | gmp-fb80223734ba92b2a182f29b00751e509dbece06.tar.gz |
Move global random file to new 'rand' subdirectory.
Diffstat (limited to 'rand/randmt.h')
-rw-r--r-- | rand/randmt.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/rand/randmt.h b/rand/randmt.h new file mode 100644 index 000000000..fc2338105 --- /dev/null +++ b/rand/randmt.h @@ -0,0 +1,40 @@ +/* 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)); |