1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59
|
/* -*- Mode: c; c-basic-offset: 2 -*-
*
* mtwist_internal.c - Mersenne Twister internals
*
* This is free and unencumbered software released into the public domain.
*
* Anyone is free to copy, modify, publish, use, compile, sell, or
* distribute this software, either in source code form or as a compiled
* binary, for any purpose, commercial or non-commercial, and by any
* means.
*
* In jurisdictions that recognize copyright laws, the author or authors
* of this software dedicate any and all copyright interest in the
* software to the public domain. We make this dedication for the benefit
* of the public at large and to the detriment of our heirs and
* successors. We intend this dedication to be an overt act of
* relinquishment in perpetuity of all present and future rights to this
* software under copyright law.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* For more information, please refer to <http://unlicense.org/>
*
*/
#ifndef MTWIST_INTERNAL_H
#define MTWIST_INTERNAL_H 1
#define MTWIST_N 624
#define MTWIST_M 397
#define MT_STATIC_SEED 5489UL
/* Mersenne Twister library state */
struct mtwist_s {
/* MT buffer holding N 32 bit unsigned integers */
uint32_t state[MTWIST_N];
/* Pointer into above - next long to use */
uint32_t* next;
/* Number of remaining integers in state before an update is needed */
unsigned int remaining;
/* 1 if a seed was given */
unsigned int seeded : 1;
/* 1 to always return a static system seed (MT_STATIC_SEED) */
unsigned int static_system_seed : 1;
};
#endif
|