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authorTorbjorn Granlund <tege@gmplib.org>2010-11-11 09:56:42 +0100
committerTorbjorn Granlund <tege@gmplib.org>2010-11-11 09:56:42 +0100
commitfb80223734ba92b2a182f29b00751e509dbece06 (patch)
tree014931d1dc5a4f1024644986a489c3859f1df727 /rand/randmt.h
parent5b824f09ff34399acf7458217a903c928f7eb83b (diff)
downloadgmp-fb80223734ba92b2a182f29b00751e509dbece06.tar.gz
Move global random file to new 'rand' subdirectory.
Diffstat (limited to 'rand/randmt.h')
-rw-r--r--rand/randmt.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/rand/randmt.h b/rand/randmt.h
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--- /dev/null
+++ b/rand/randmt.h
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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));