Mercurial > vba-linux

     1 #ifndef SFMT_PARAMS_H

     2 #define SFMT_PARAMS_H

     3 

     4 #if !defined(MEXP)

     5 #ifdef __GNUC__

     6   #warning "MEXP is not defined. I assume MEXP is 19937."

     7 #endif

     8   #define MEXP 19937

     9 #endif

    10 /*-----------------

    11   BASIC DEFINITIONS

    12   -----------------*/

    13 /** Mersenne Exponent. The period of the sequence 

    14  *  is a multiple of 2^MEXP-1.

    15  * #define MEXP 19937 */

    16 /** SFMT generator has an internal state array of 128-bit integers,

    17  * and N is its size. */

    18 #define N (MEXP / 128 + 1)

    19 /** N32 is the size of internal state array when regarded as an array

    20  * of 32-bit integers.*/

    21 #define N32 (N * 4)

    22 /** N64 is the size of internal state array when regarded as an array

    23  * of 64-bit integers.*/

    24 #define N64 (N * 2)

    25 

    26 /*----------------------

    27   the parameters of SFMT

    28   following definitions are in paramsXXXX.h file.

    29   ----------------------*/

    30 /** the pick up position of the array.

    31 #define POS1 122 

    32 */

    33 

    34 /** the parameter of shift left as four 32-bit registers.

    35 #define SL1 18

    36  */

    37 

    38 /** the parameter of shift left as one 128-bit register. 

    39  * The 128-bit integer is shifted by (SL2 * 8) bits. 

    40 #define SL2 1 

    41 */

    42 

    43 /** the parameter of shift right as four 32-bit registers.

    44 #define SR1 11

    45 */

    46 

    47 /** the parameter of shift right as one 128-bit register. 

    48  * The 128-bit integer is shifted by (SL2 * 8) bits. 

    49 #define SR2 1 

    50 */

    51 

    52 /** A bitmask, used in the recursion.  These parameters are introduced

    53  * to break symmetry of SIMD.

    54 #define MSK1 0xdfffffefU

    55 #define MSK2 0xddfecb7fU

    56 #define MSK3 0xbffaffffU

    57 #define MSK4 0xbffffff6U 

    58 */

    59 

    60 /** These definitions are part of a 128-bit period certification vector.

    61 #define PARITY1	0x00000001U

    62 #define PARITY2	0x00000000U

    63 #define PARITY3	0x00000000U

    64 #define PARITY4	0xc98e126aU

    65 */

    66 

    67 #if MEXP == 607

    68   #include "SFMT-params607.h"

    69 #elif MEXP == 1279

    70   #include "SFMT-params1279.h"

    71 #elif MEXP == 2281

    72   #include "SFMT-params2281.h"

    73 #elif MEXP == 4253

    74   #include "SFMT-params4253.h"

    75 #elif MEXP == 11213

    76   #include "SFMT-params11213.h"

    77 #elif MEXP == 19937

    78   #include "SFMT-params19937.h"

    79 #elif MEXP == 44497

    80   #include "SFMT-params44497.h"

    81 #elif MEXP == 86243

    82   #include "SFMT-params86243.h"

    83 #elif MEXP == 132049

    84   #include "SFMT-params132049.h"

    85 #elif MEXP == 216091

    86   #include "SFMT-params216091.h"

    87 #else

    88 #ifdef __GNUC__

    89   #error "MEXP is not valid."

    90   #undef MEXP

    91 #else

    92   #undef MEXP

    93 #endif

    94 

    95 #endif

    96 

    97 #endif /* SFMT_PARAMS_H */
author	Robert McIntyre <rlm@mit.edu>
date	Sun, 04 Mar 2012 17:38:32 -0600
parents	f9f4f1b99eed
children