diff src/SFMT/SFMT-params.h @ 1:f9f4f1b99eed

importing src directory
author Robert McIntyre <rlm@mit.edu>
date Sat, 03 Mar 2012 10:31:27 -0600
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     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/SFMT/SFMT-params.h	Sat Mar 03 10:31:27 2012 -0600
     1.3 @@ -0,0 +1,97 @@
     1.4 +#ifndef SFMT_PARAMS_H
     1.5 +#define SFMT_PARAMS_H
     1.6 +
     1.7 +#if !defined(MEXP)
     1.8 +#ifdef __GNUC__
     1.9 +  #warning "MEXP is not defined. I assume MEXP is 19937."
    1.10 +#endif
    1.11 +  #define MEXP 19937
    1.12 +#endif
    1.13 +/*-----------------
    1.14 +  BASIC DEFINITIONS
    1.15 +  -----------------*/
    1.16 +/** Mersenne Exponent. The period of the sequence 
    1.17 + *  is a multiple of 2^MEXP-1.
    1.18 + * #define MEXP 19937 */
    1.19 +/** SFMT generator has an internal state array of 128-bit integers,
    1.20 + * and N is its size. */
    1.21 +#define N (MEXP / 128 + 1)
    1.22 +/** N32 is the size of internal state array when regarded as an array
    1.23 + * of 32-bit integers.*/
    1.24 +#define N32 (N * 4)
    1.25 +/** N64 is the size of internal state array when regarded as an array
    1.26 + * of 64-bit integers.*/
    1.27 +#define N64 (N * 2)
    1.28 +
    1.29 +/*----------------------
    1.30 +  the parameters of SFMT
    1.31 +  following definitions are in paramsXXXX.h file.
    1.32 +  ----------------------*/
    1.33 +/** the pick up position of the array.
    1.34 +#define POS1 122 
    1.35 +*/
    1.36 +
    1.37 +/** the parameter of shift left as four 32-bit registers.
    1.38 +#define SL1 18
    1.39 + */
    1.40 +
    1.41 +/** the parameter of shift left as one 128-bit register. 
    1.42 + * The 128-bit integer is shifted by (SL2 * 8) bits. 
    1.43 +#define SL2 1 
    1.44 +*/
    1.45 +
    1.46 +/** the parameter of shift right as four 32-bit registers.
    1.47 +#define SR1 11
    1.48 +*/
    1.49 +
    1.50 +/** the parameter of shift right as one 128-bit register. 
    1.51 + * The 128-bit integer is shifted by (SL2 * 8) bits. 
    1.52 +#define SR2 1 
    1.53 +*/
    1.54 +
    1.55 +/** A bitmask, used in the recursion.  These parameters are introduced
    1.56 + * to break symmetry of SIMD.
    1.57 +#define MSK1 0xdfffffefU
    1.58 +#define MSK2 0xddfecb7fU
    1.59 +#define MSK3 0xbffaffffU
    1.60 +#define MSK4 0xbffffff6U 
    1.61 +*/
    1.62 +
    1.63 +/** These definitions are part of a 128-bit period certification vector.
    1.64 +#define PARITY1	0x00000001U
    1.65 +#define PARITY2	0x00000000U
    1.66 +#define PARITY3	0x00000000U
    1.67 +#define PARITY4	0xc98e126aU
    1.68 +*/
    1.69 +
    1.70 +#if MEXP == 607
    1.71 +  #include "SFMT-params607.h"
    1.72 +#elif MEXP == 1279
    1.73 +  #include "SFMT-params1279.h"
    1.74 +#elif MEXP == 2281
    1.75 +  #include "SFMT-params2281.h"
    1.76 +#elif MEXP == 4253
    1.77 +  #include "SFMT-params4253.h"
    1.78 +#elif MEXP == 11213
    1.79 +  #include "SFMT-params11213.h"
    1.80 +#elif MEXP == 19937
    1.81 +  #include "SFMT-params19937.h"
    1.82 +#elif MEXP == 44497
    1.83 +  #include "SFMT-params44497.h"
    1.84 +#elif MEXP == 86243
    1.85 +  #include "SFMT-params86243.h"
    1.86 +#elif MEXP == 132049
    1.87 +  #include "SFMT-params132049.h"
    1.88 +#elif MEXP == 216091
    1.89 +  #include "SFMT-params216091.h"
    1.90 +#else
    1.91 +#ifdef __GNUC__
    1.92 +  #error "MEXP is not valid."
    1.93 +  #undef MEXP
    1.94 +#else
    1.95 +  #undef MEXP
    1.96 +#endif
    1.97 +
    1.98 +#endif
    1.99 +
   1.100 +#endif /* SFMT_PARAMS_H */