src/jemalloc/test/include/test/SFMT-params.h

   1 /*
   2  * This file derives from SFMT 1.3.3
   3  * (http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/SFMT/index.html), which was
   4  * released under the terms of the following license:
   5  *
   6  *   Copyright (c) 2006,2007 Mutsuo Saito, Makoto Matsumoto and Hiroshima
   7  *   University. All rights reserved.
   8  *
   9  *   Redistribution and use in source and binary forms, with or without
  10  *   modification, are permitted provided that the following conditions are
  11  *   met:
  12  *
  13  *       * Redistributions of source code must retain the above copyright
  14  *         notice, this list of conditions and the following disclaimer.
  15  *       * Redistributions in binary form must reproduce the above
  16  *         copyright notice, this list of conditions and the following
  17  *         disclaimer in the documentation and/or other materials provided
  18  *         with the distribution.
  19  *       * Neither the name of the Hiroshima University nor the names of
  20  *         its contributors may be used to endorse or promote products
  21  *         derived from this software without specific prior written
  22  *         permission.
  23  *
  24  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  25  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  26  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  27  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  28  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  29  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  30  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  31  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  32  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  33  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  34  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35  */
  36 #ifndef SFMT_PARAMS_H
  37 #define SFMT_PARAMS_H
  38
  39 #if !defined(MEXP)
  40 #ifdef __GNUC__
  41   #warning "MEXP is not defined. I assume MEXP is 19937."
  42 #endif
  43   #define MEXP 19937
  44 #endif
  45 /*-----------------
  46   BASIC DEFINITIONS
  47   -----------------*/
  48 /** Mersenne Exponent. The period of the sequence
  49  *  is a multiple of 2^MEXP-1.
  50  * #define MEXP 19937 */
  51 /** SFMT generator has an internal state array of 128-bit integers,
  52  * and N is its size. */
  53 #define N (MEXP / 128 + 1)
  54 /** N32 is the size of internal state array when regarded as an array
  55  * of 32-bit integers.*/
  56 #define N32 (N * 4)
  57 /** N64 is the size of internal state array when regarded as an array
  58  * of 64-bit integers.*/
  59 #define N64 (N * 2)
  60
  61 /*----------------------
  62   the parameters of SFMT
  63   following definitions are in paramsXXXX.h file.
  64   ----------------------*/
  65 /** the pick up position of the array.
  66 #define POS1 122
  67 */
  68
  69 /** the parameter of shift left as four 32-bit registers.
  70 #define SL1 18
  71  */
  72
  73 /** the parameter of shift left as one 128-bit register.
  74  * The 128-bit integer is shifted by (SL2 * 8) bits.
  75 #define SL2 1
  76 */
  77
  78 /** the parameter of shift right as four 32-bit registers.
  79 #define SR1 11
  80 */
  81
  82 /** the parameter of shift right as one 128-bit register.
  83  * The 128-bit integer is shifted by (SL2 * 8) bits.
  84 #define SR2 1
  85 */
  86
  87 /** A bitmask, used in the recursion.  These parameters are introduced
  88  * to break symmetry of SIMD.
  89 #define MSK1 0xdfffffefU
  90 #define MSK2 0xddfecb7fU
  91 #define MSK3 0xbffaffffU
  92 #define MSK4 0xbffffff6U
  93 */
  94
  95 /** These definitions are part of a 128-bit period certification vector.
  96 #define PARITY1 0x00000001U
  97 #define PARITY2 0x00000000U
  98 #define PARITY3 0x00000000U
  99 #define PARITY4 0xc98e126aU
 100 */
 101
 102 #if MEXP == 607
 103   #include "test/SFMT-params607.h"
 104 #elif MEXP == 1279
 105   #include "test/SFMT-params1279.h"
 106 #elif MEXP == 2281
 107   #include "test/SFMT-params2281.h"
 108 #elif MEXP == 4253
 109   #include "test/SFMT-params4253.h"
 110 #elif MEXP == 11213
 111   #include "test/SFMT-params11213.h"
 112 #elif MEXP == 19937
 113   #include "test/SFMT-params19937.h"
 114 #elif MEXP == 44497
 115   #include "test/SFMT-params44497.h"
 116 #elif MEXP == 86243
 117   #include "test/SFMT-params86243.h"
 118 #elif MEXP == 132049
 119   #include "test/SFMT-params132049.h"
 120 #elif MEXP == 216091
 121   #include "test/SFMT-params216091.h"
 122 #else
 123 #ifdef __GNUC__
 124   #error "MEXP is not valid."
 125   #undef MEXP
 126 #else
 127   #undef MEXP
 128 #endif
 129
 130 #endif
 131
 132 #endif /* SFMT_PARAMS_H */