COSC-4P82-Final-Project/lib/beagle-3.0.3/beagle/src/FitnessSimple.cpp

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5.1 KiB
C++

/*
* Open BEAGLE
* Copyright (C) 2001-2007 by Christian Gagne and Marc Parizeau
*
* 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 beagle/src/FitnessSimple.cpp
* \brief Source code of class FitnessSimple.
* \author Christian Gagne
* \author Marc Parizeau
* $Revision: 1.13.2.1 $
* $Date: 2007/05/09 01:51:19 $
*/
#include "beagle/Beagle.hpp"
#include <cmath>
#include <cfloat>
#include <algorithm>
using namespace Beagle;
/*!
* \brief Default construct a simple fitness object.
*/
FitnessSimple::FitnessSimple() :
Fitness(false)
{ }
/*!
* \brief Construct a valid simple fitness object.
* \param inFitness Value of the fitness.
*/
FitnessSimple::FitnessSimple(float inFitness) :
Fitness(true)
{
Beagle_StackTraceBeginM();
setValue(inFitness);
Beagle_StackTraceEndM("FitnessSimple::FitnessSimple(float inFitness)");
}
/*!
* \brief Test equality of two simple fitness measure.
* \param inRightObj Right measure to compare.
* \return True if the fitness are equal, false if not.
*/
bool FitnessSimple::isEqual(const Object& inRightObj) const
{
Beagle_StackTraceBeginM();
const FitnessSimple& lRightFitness = castObjectT<const FitnessSimple&>(inRightObj);
if(isValid() != lRightFitness.isValid()) return false;
if((isValid()==false) && (lRightFitness.isValid()==false)) return true;
return mFitness == lRightFitness.mFitness;
Beagle_StackTraceEndM("bool FitnessSimple::isEqual(const Object& inRightObj) const");
}
/*!
* \brief Test order of two simple fitness measure.
* \param inRightObj Right measure to compare.
* \return True if the actual fitness is less from the right one, false if not.
*/
bool FitnessSimple::isLess(const Object& inRightObj) const
{
Beagle_StackTraceBeginM();
const FitnessSimple& lRightFitness = castObjectT<const FitnessSimple&>(inRightObj);
if(isValid() != lRightFitness.isValid()) return false;
if((isValid()==false) && (lRightFitness.isValid()==false)) return false;
return mFitness < lRightFitness.mFitness;
Beagle_StackTraceEndM("bool FitnessSimple::isLess(const Object& inRightObj) const");
}
/*!
* \brief Read a simple fitness from a XML subtree.
* \param inIter XML iterator to use to read the fitness value.
*/
void FitnessSimple::read(PACC::XML::ConstIterator inIter)
{
Beagle_StackTraceBeginM();
if((inIter->getType()!=PACC::XML::eData) || (inIter->getValue()!="Fitness"))
throw Beagle_IOExceptionNodeM(*inIter, "tag <Fitness> expected!");
string lValid = inIter->getAttribute("valid").c_str();
if(lValid.empty() || (lValid == "yes")) {
string lType = inIter->getAttribute("type").c_str();
if(lType != "simple")
throw Beagle_IOExceptionNodeM((*inIter), "fitness type mismatch!");
PACC::XML::ConstIterator lChild = inIter->getFirstChild();
if(!lChild) throw Beagle_IOExceptionNodeM(*inIter, "no fitness value present!");
if(lChild->getType() != PACC::XML::eString)
throw Beagle_IOExceptionNodeM(*inIter, "no fitness value present!");
mFitness = str2dbl(lChild->getValue().c_str());
setValid();
}
else if(lValid == "no") setInvalid();
else throw Beagle_IOExceptionNodeM((*inIter), "bad fitness validity value!");
Beagle_StackTraceEndM("void FitnessSimple::read(PACC::XML::ConstIterator inIter)");
}
/*!
* \brief Set the fitness value and validity.
* \param inFitness New fitness value.
*/
void FitnessSimple::setValue(float inFitness)
{
Beagle_StackTraceBeginM();
if(isFinite(inFitness)) mFitness = inFitness;
else mFitness = FLT_MIN;
setValid();
Beagle_StackTraceEndM("void FitnessSimple::setValue(float inFitness)");
}
/*!
* \brief Write a simple fitness into an XML streamer.
* \param ioStreamer XML streamer to use to write the fitness value.
* \param inIndent Whether XML output should be indented.
*/
void FitnessSimple::write(PACC::XML::Streamer& ioStreamer, bool inIndent) const
{
Beagle_StackTraceBeginM();
ioStreamer.openTag("Fitness", false);
ioStreamer.insertAttribute("type", "simple");
if(isValid()) ioStreamer.insertStringContent(dbl2str(mFitness).c_str());
else ioStreamer.insertAttribute("valid", "no");
ioStreamer.closeTag();
Beagle_StackTraceEndM("void FitnessSimple::write(PACC::XML::Streamer& ioStreamer, bool inIndent) const");
}