mirror of
https://github.com/libretro/ppsspp.git
synced 2024-11-30 20:01:00 +00:00
99 lines
2.5 KiB
C
99 lines
2.5 KiB
C
#pragma once
|
|
#ifndef SFMT_PARAMS_H
|
|
#define SFMT_PARAMS_H
|
|
|
|
#if !defined(SFMT_MEXP)
|
|
#if defined(__GNUC__) && !defined(__ICC)
|
|
#warning "SFMT_MEXP is not defined. I assume MEXP is 19937."
|
|
#endif
|
|
#define SFMT_MEXP 19937
|
|
#endif
|
|
/*-----------------
|
|
BASIC DEFINITIONS
|
|
-----------------*/
|
|
/** Mersenne Exponent. The period of the sequence
|
|
* is a multiple of 2^MEXP-1.
|
|
* #define SFMT_MEXP 19937 */
|
|
/** SFMT generator has an internal state array of 128-bit integers,
|
|
* and N is its size. */
|
|
#define SFMT_N (SFMT_MEXP / 128 + 1)
|
|
/** N32 is the size of internal state array when regarded as an array
|
|
* of 32-bit integers.*/
|
|
#define SFMT_N32 (SFMT_N * 4)
|
|
/** N64 is the size of internal state array when regarded as an array
|
|
* of 64-bit integers.*/
|
|
#define SFMT_N64 (SFMT_N * 2)
|
|
|
|
/*----------------------
|
|
the parameters of SFMT
|
|
following definitions are in paramsXXXX.h file.
|
|
----------------------*/
|
|
/** the pick up position of the array.
|
|
#define SFMT_POS1 122
|
|
*/
|
|
|
|
/** the parameter of shift left as four 32-bit registers.
|
|
#define SFMT_SL1 18
|
|
*/
|
|
|
|
/** the parameter of shift left as one 128-bit register.
|
|
* The 128-bit integer is shifted by (SFMT_SL2 * 8) bits.
|
|
#define SFMT_SL2 1
|
|
*/
|
|
|
|
/** the parameter of shift right as four 32-bit registers.
|
|
#define SFMT_SR1 11
|
|
*/
|
|
|
|
/** the parameter of shift right as one 128-bit register.
|
|
* The 128-bit integer is shifted by (SFMT_SL2 * 8) bits.
|
|
#define SFMT_SR21 1
|
|
*/
|
|
|
|
/** A bitmask, used in the recursion. These parameters are introduced
|
|
* to break symmetry of SIMD.
|
|
#define SFMT_MSK1 0xdfffffefU
|
|
#define SFMT_MSK2 0xddfecb7fU
|
|
#define SFMT_MSK3 0xbffaffffU
|
|
#define SFMT_MSK4 0xbffffff6U
|
|
*/
|
|
|
|
/** These definitions are part of a 128-bit period certification vector.
|
|
#define SFMT_PARITY1 0x00000001U
|
|
#define SFMT_PARITY2 0x00000000U
|
|
#define SFMT_PARITY3 0x00000000U
|
|
#define SFMT_PARITY4 0xc98e126aU
|
|
*/
|
|
|
|
#if SFMT_MEXP == 607
|
|
#include "SFMT-params607.h"
|
|
#elif SFMT_MEXP == 1279
|
|
#include "SFMT-params1279.h"
|
|
#elif SFMT_MEXP == 2281
|
|
#include "SFMT-params2281.h"
|
|
#elif SFMT_MEXP == 4253
|
|
#include "SFMT-params4253.h"
|
|
#elif SFMT_MEXP == 11213
|
|
#include "SFMT-params11213.h"
|
|
#elif SFMT_MEXP == 19937
|
|
#include "SFMT-params19937.h"
|
|
#elif SFMT_MEXP == 44497
|
|
#include "SFMT-params44497.h"
|
|
#elif SFMT_MEXP == 86243
|
|
#include "SFMT-params86243.h"
|
|
#elif SFMT_MEXP == 132049
|
|
#include "SFMT-params132049.h"
|
|
#elif SFMT_MEXP == 216091
|
|
#include "SFMT-params216091.h"
|
|
#else
|
|
#if defined(__GNUC__) && !defined(__ICC)
|
|
#error "SFMT_MEXP is not valid."
|
|
#undef SFMT_MEXP
|
|
#else
|
|
#undef SFMT_MEXP
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#endif /* SFMT_PARAMS_H */
|