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7371c4a516
cryptographically secure random number generator, if available, instead of the current time. - Changed the random number generator from Lee Killough's algorithm to the SFMT607 variant of the Mersenne Twister. SVN r1507 (trunk)
70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
#ifndef SFMT_PARAMS_H
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#define SFMT_PARAMS_H
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/*----------------------
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the parameters of SFMT
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following definitions are in paramsXXXX.h file.
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----------------------*/
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/** the pick up position of the array.
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#define POS1 122
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*/
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/** the parameter of shift left as four 32-bit registers.
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#define SL1 18
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*/
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/** the parameter of shift left as one 128-bit register.
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* The 128-bit integer is shifted by (SL2 * 8) bits.
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#define SL2 1
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*/
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/** the parameter of shift right as four 32-bit registers.
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#define SR1 11
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*/
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/** the parameter of shift right as one 128-bit register.
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* The 128-bit integer is shifted by (SL2 * 8) bits.
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#define SR2 1
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*/
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/** A bitmask, used in the recursion. These parameters are introduced
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* to break symmetry of SIMD.
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#define MSK1 0xdfffffefU
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#define MSK2 0xddfecb7fU
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#define MSK3 0xbffaffffU
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#define MSK4 0xbffffff6U
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*/
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/** These definitions are part of a 128-bit period certification vector.
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#define PARITY1 0x00000001U
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#define PARITY2 0x00000000U
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#define PARITY3 0x00000000U
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#define PARITY4 0xc98e126aU
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*/
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#if MEXP == 607
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#include "SFMT-params607.h"
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#elif MEXP == 1279
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#include "SFMT-params1279.h"
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#elif MEXP == 2281
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#include "SFMT-params2281.h"
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#elif MEXP == 4253
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#include "SFMT-params4253.h"
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#elif MEXP == 11213
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#include "SFMT-params11213.h"
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#elif MEXP == 19937
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#include "SFMT-params19937.h"
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#elif MEXP == 44497
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#include "SFMT-params44497.h"
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#elif MEXP == 86243
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#include "SFMT-params86243.h"
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#elif MEXP == 132049
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#include "SFMT-params132049.h"
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#elif MEXP == 216091
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#include "SFMT-params216091.h"
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#else
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#error "MEXP is not valid."
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#undef MEXP
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#endif
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#endif /* SFMT_PARAMS_H */
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