2013-12-10 05:21:08 +08:00
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/*
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* This file derives from SFMT 1.3.3
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* (http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/SFMT/index.html), which was
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* released under the terms of the following license:
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*
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* Copyright (c) 2006,2007 Mutsuo Saito, Makoto Matsumoto and Hiroshima
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* University. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of the Hiroshima University nor the names of
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* its contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SFMT_PARAMS_H
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#define SFMT_PARAMS_H
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#if !defined(MEXP)
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#ifdef __GNUC__
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#warning "MEXP is not defined. I assume MEXP is 19937."
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#endif
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#define MEXP 19937
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#endif
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/*-----------------
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BASIC DEFINITIONS
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-----------------*/
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2023-04-29 03:29:49 +08:00
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/** Mersenne Exponent. The period of the sequence
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2013-12-10 05:21:08 +08:00
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* is a multiple of 2^MEXP-1.
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* #define MEXP 19937 */
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/** SFMT generator has an internal state array of 128-bit integers,
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* and N is its size. */
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#define N (MEXP / 128 + 1)
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/** N32 is the size of internal state array when regarded as an array
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* of 32-bit integers.*/
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#define N32 (N * 4)
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/** N64 is the size of internal state array when regarded as an array
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* of 64-bit integers.*/
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#define N64 (N * 2)
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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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2023-04-29 03:29:49 +08:00
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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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2013-12-10 05:21:08 +08:00
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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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2023-04-29 03:29:49 +08:00
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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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2013-12-10 05:21:08 +08:00
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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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2013-12-10 05:21:08 +08:00
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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 "test/SFMT-params607.h"
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#elif MEXP == 1279
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#include "test/SFMT-params1279.h"
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#elif MEXP == 2281
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#include "test/SFMT-params2281.h"
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#elif MEXP == 4253
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#include "test/SFMT-params4253.h"
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#elif MEXP == 11213
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#include "test/SFMT-params11213.h"
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#elif MEXP == 19937
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#include "test/SFMT-params19937.h"
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#elif MEXP == 44497
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#include "test/SFMT-params44497.h"
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#elif MEXP == 86243
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#include "test/SFMT-params86243.h"
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#elif MEXP == 132049
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#include "test/SFMT-params132049.h"
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#elif MEXP == 216091
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#include "test/SFMT-params216091.h"
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#else
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#ifdef __GNUC__
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#error "MEXP is not valid."
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#undef MEXP
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#else
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#undef MEXP
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#endif
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#endif
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#endif /* SFMT_PARAMS_H */
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