/usr/include/openturns/RandomGenerator.hxx is in libopenturns-dev 1.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | // -*- C++ -*-
/**
* @file RandomGenerator.hxx
* @brief RandomGenerator implements methods to control the random generator
*
* Copyright (C) 2005-2013 EDF-EADS-Phimeca
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* @author schueller
* @date 2012-02-17 19:35:43 +0100 (Fri, 17 Feb 2012)
*/
#ifndef OPENTURNS_RANDOMGENERATOR_HXX
#define OPENTURNS_RANDOMGENERATOR_HXX
#include "OTprivate.hxx"
#include "Collection.hxx"
#include "NumericalPoint.hxx"
BEGIN_NAMESPACE_OPENTURNS
/** A couple (internal state array, picking index) */
struct RandomGeneratorState
{
typedef Collection<UnsignedLong> UnsignedLongCollection;
UnsignedLongCollection state_;
UnsignedLong index_;
RandomGeneratorState() : state_(0), index_(0) {}
RandomGeneratorState(const UnsignedLongCollection state, const UnsignedLong index) : state_(state), index_(index) {}
~RandomGeneratorState() {}
const String __repr__() const
{
return OSS(true) << "RandomGeneratorState("
<< state_ << ", "
<< index_ << ")";
}
const String __str__(const String & offset = "") const
{
return OSS(false) << "RandomGeneratorState("
<< state_ << ", "
<< index_ << ")";
}
}; /* end struct RandomGeneratorState */
class MersenneTwister;
/**
* @class RandomGenerator
*
* RandomGenerator implements methods to control the random generator
*/
class RandomGenerator
{
public:
typedef Collection<UnsignedLong> UnsignedLongCollection;
/** Default constructor */
RandomGenerator();
/** Seed accessor */
static void SetSeed(const UnsignedLong seed);
/** State accessor */
static void SetState(const RandomGeneratorState & state);
static RandomGeneratorState GetState();
/** Generate a pseudo-random number uniformly distributed over [0, 1[ */
static NumericalScalar Generate();
/** Generate a pseudo-random integer uniformly distributed over [[0,...,n-1]] */
static UnsignedLong IntegerGenerate(const UnsignedLong n);
/** Generate a pseudo-random vector of numbers uniformly distributed over [0, 1[ */
static NumericalPoint Generate(const UnsignedLong size);
/** Generate a pseudo-random vector of integers uniformly distributed over [[0,...,n-1]] */
static UnsignedLongCollection IntegerGenerate(const UnsignedLong size, const UnsignedLong n);
private:
static Bool IsInitialized;
static MersenneTwister Generator;
}; /* class RandomGenerator */
#ifndef SWIG
// Stream operator for State objects
std::ostream & operator << (std::ostream & os, const RandomGeneratorState & state);
// Comparison operator for State objects
Bool operator == (const RandomGeneratorState & lhs, const RandomGeneratorState & rhs);
#endif
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_RANDOMGENERATOR_HXX */
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