/usr/include/openturns/RandomGenerator.hxx is in libopenturns-dev 0.15-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* @file RandomGenerator.hxx
* @brief RandomGenerator implements methods to control the random generator
*
* (C) Copyright 2005-2011 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 2.1 of the License.
*
* 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
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* @author: $LastChangedBy: schueller $
* @date: $LastChangedDate: 2011-04-11 12:32:27 +0200 (Mon, 11 Apr 2011) $
* Id: $Id: RandomGenerator.hxx 1866 2011-04-11 10:32:27Z schueller $
*/
#ifndef OPENTURNS_RANDOMGENERATOR_HXX
#define OPENTURNS_RANDOMGENERATOR_HXX
#include "OTprivate.hxx"
#include "Collection.hxx"
#include "NumericalPoint.hxx"
#include "dsfmt.h"
namespace OpenTURNS
{
namespace Base
{
namespace Stat
{
/**
* @class RandomGenerator
*
* RandomGenerator implements methods to control the random generator
*/
class RandomGenerator
{
public:
static const UnsignedLong InitialSeed;
typedef Type::Collection<UnsignedLong> UnsignedLongCollection;
typedef Type::NumericalPoint NumericalPoint;
typedef tutils::dsfmt19937 MersenneTwister;
#ifndef SWIG
/** A couple (internal state array, picking index) */
struct State {
UnsignedLongCollection state_;
UnsignedLong index_;
State() : state_(0), index_(0) {}
State(const UnsignedLongCollection state, const UnsignedLong index) : state_(state), index_(index) {}
~State() {}
}; /* end struct State */
#else
typedef OT::Base::Stat::RandomGeneratorState State;
#endif
/** Default constructor */
RandomGenerator();
/** Seed accessor */
static void SetSeed(const UnsignedLong seed);
/** State accessor */
static void SetState(const State & state);
static State 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 */
typedef RandomGenerator::State RandomGeneratorState; // For SWIG
#ifndef SWIG
// Stream operator for State objects
std::ostream & operator << (std::ostream & os, const RandomGenerator::State & state);
// Comparison operator for State objects
Bool operator == (const RandomGenerator::State & lhs, const RandomGenerator::State & rhs);
#endif
} /* namespace Stat */
} /* namespace Base */
} /* namespace OpenTURNS */
#endif /* OPENTURNS_RANDOMGENERATOR_HXX */
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