dSFMT/dSFMT-params.h

   1 #ifndef DSFMT_PARAMS_H
   2 #define DSFMT_PARAMS_H
   3
   4 #include "dSFMT.h"
   5
   6 /*----------------------
   7   the parameters of DSFMT
   8   following definitions are in dSFMT-paramsXXXX.h file.
   9   ----------------------*/
  10 /** the pick up position of the array.
  11 #define DSFMT_POS1 122
  12 */
  13
  14 /** the parameter of shift left as four 32-bit registers.
  15 #define DSFMT_SL1 18
  16  */
  17
  18 /** the parameter of shift right as four 32-bit registers.
  19 #define DSFMT_SR1 12
  20 */
  21
  22 /** A bitmask, used in the recursion.  These parameters are introduced
  23  * to break symmetry of SIMD.
  24 #define DSFMT_MSK1 (uint64_t)0xdfffffefULL
  25 #define DSFMT_MSK2 (uint64_t)0xddfecb7fULL
  26 */
  27
  28 /** These definitions are part of a 128-bit period certification vector.
  29 #define DSFMT_PCV1      UINT64_C(0x00000001)
  30 #define DSFMT_PCV2      UINT64_C(0x00000000)
  31 */
  32
  33 #define DSFMT_LOW_MASK  UINT64_C(0x000FFFFFFFFFFFFF)
  34 #define DSFMT_HIGH_CONST UINT64_C(0x3FF0000000000000)
  35 #define DSFMT_SR        12
  36
  37 /* for sse2 */
  38 #if defined(HAVE_SSE2)
  39   #define SSE2_SHUFF 0x1b
  40 #elif defined(HAVE_ALTIVEC)
  41   #if defined(__APPLE__)  /* For OSX */
  42     #define ALTI_SR (vector unsigned char)(4)
  43     #define ALTI_SR_PERM \
  44         (vector unsigned char)(15,0,1,2,3,4,5,6,15,8,9,10,11,12,13,14)
  45     #define ALTI_SR_MSK \
  46         (vector unsigned int)(0x000fffffU,0xffffffffU,0x000fffffU,0xffffffffU)
  47     #define ALTI_PERM \
  48         (vector unsigned char)(12,13,14,15,8,9,10,11,4,5,6,7,0,1,2,3)
  49   #else
  50     #define ALTI_SR      {4}
  51     #define ALTI_SR_PERM {15,0,1,2,3,4,5,6,15,8,9,10,11,12,13,14}
  52     #define ALTI_SR_MSK  {0x000fffffU,0xffffffffU,0x000fffffU,0xffffffffU}
  53     #define ALTI_PERM    {12,13,14,15,8,9,10,11,4,5,6,7,0,1,2,3}
  54   #endif
  55 #endif
  56
  57 #if DSFMT_MEXP == 521
  58   #include "dSFMT-params521.h"
  59 #elif DSFMT_MEXP == 1279
  60   #include "dSFMT-params1279.h"
  61 #elif DSFMT_MEXP == 2203
  62   #include "dSFMT-params2203.h"
  63 #elif DSFMT_MEXP == 4253
  64   #include "dSFMT-params4253.h"
  65 #elif DSFMT_MEXP == 11213
  66   #include "dSFMT-params11213.h"
  67 #elif DSFMT_MEXP == 19937
  68   #include "dSFMT-params19937.h"
  69 #elif DSFMT_MEXP == 44497
  70   #include "dSFMT-params44497.h"
  71 #elif DSFMT_MEXP == 86243
  72   #include "dSFMT-params86243.h"
  73 #elif DSFMT_MEXP == 132049
  74   #include "dSFMT-params132049.h"
  75 #elif DSFMT_MEXP == 216091
  76   #include "dSFMT-params216091.h"
  77 #else
  78 #ifdef __GNUC__
  79   #error "DSFMT_MEXP is not valid."
  80   #undef DSFMT_MEXP
  81 #else
  82   #undef DSFMT_MEXP
  83 #endif
  84
  85 #endif
  86
  87 #endif /* DSFMT_PARAMS_H */