COSC-4P82-Final-Project/lib/beagle-3.0.3/PACC/Util/Randomizer.cpp

66 lines
1.9 KiB
C++
Raw Normal View History

2024-04-01 00:01:49 -04:00
/*
* Portable Agile C++ Classes (PACC)
* Copyright (C) 2001-2003 by Marc Parizeau
* http://manitou.gel.ulaval.ca/~parizeau/PACC
*
* 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, 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
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contact:
* Laboratoire de Vision et Systemes Numeriques
* Departement de genie electrique et de genie informatique
* Universite Laval, Quebec, Canada, G1K 7P4
* http://vision.gel.ulaval.ca
*
*/
/*!
* \file PACC/Util/Randomizer.cpp
* \brief Class methods for the random number generator.
* \author Marc Parizeau and Christian Gagné, Laboratoire de vision et systèmes numériques, Université Laval
* $Revision: 1.5.2.1 $
* $Date: 2007/09/10 18:24:10 $
*/
#include "Util/Randomizer.hpp"
#include <sstream>
using namespace std;
using namespace PACC;
Randomizer PACC::rand;
/*! Return state of generator.
*/
string Randomizer::getState(void) const
{
ostringstream lStream;
for(unsigned i = 0; i < N; ++i) lStream << state[i] << ",";
lStream << left;
return lStream.str();
}
/*! Set state of generator.
*/
void Randomizer::setState(const string& inState)
{
istringstream lStream(inState);
for(unsigned int i = 0; i < N; ++i) {
lStream >> state[i];
lStream.get();
}
lStream >> left;
pNext = &state[N-left];
}