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git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1209 331e1502-861f-0410-8da2-ba01fb791d7f
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liefooga 2008-06-26 12:08:31 +00:00
commit 61f5d010b0
1 changed files with 25 additions and 23 deletions
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48
trunk/paradiseo-moeo/src/algo/moeoSPEA2.h
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@ -41,6 +41,7 @@
#define MOEOSPEA2_H_
#include <eoBreed.h>
#include <eoCloneOps.h>
#include <eoContinue.h>
#include <eoEvalFunc.h>
#include <eoGenContinue.h>
@ -57,8 +58,12 @@
#include <archive/moeoFixedSizeArchive.h>
#include <distance/moeoEuclideanDistance.h>
#include <selection/moeoSelectFromPopAndArch.h>
#include <eoCloneOps.h>
/**
* SPEA2 algorithm.
* E. Zitzler, M. Laumanns, and L. Thiele. SPEA2: Improving the Strength Pareto Evolutionary Algorithm. Technical Report 103,
* Computer Engineering and Networks Laboratory (TIK), ETH Zurich, Zurich, Switzerland, 2001.
*/
template < class MOEOT >
class moeoSPEA2: public moeoEA < MOEOT >
{
@ -81,6 +86,7 @@ public:
genBreed(defaultSelect, defaultSGAGenOp),selectMany(defaultSelect,0.0), selectTransform(selectMany, dummyTransform), breed(genBreed), diversityAssignment(dist,_archive, _k)
{}
/**
* Ctor with a crossover, a mutation and their corresponding rates.
* @param _continuator stopping criteria
@ -98,6 +104,7 @@ public:
genBreed(defaultSelect, defaultSGAGenOp),selectMany(defaultSelect,0.0), selectTransform(selectMany, dummyTransform), breed(genBreed), diversityAssignment(dist,_archive, _k)
{}
/**
* Ctor with a crossover, a mutation and their corresponding rates.
* @param _continuator stopping criteria
@ -115,6 +122,7 @@ public:
genBreed(defaultSelect, defaultSGAGenOp),selectMany(defaultSelect,0.0), selectTransform(selectMany, dummyTransform), breed(genBreed), diversityAssignment(dist,_archive, _k)
{}
/**
* Ctor with a crossover, a mutation and their corresponding rates.
* @param _continuator stopping criteria
@ -129,6 +137,7 @@ public:
genBreed(select, _op),selectMany(defaultSelect,0.0), selectTransform(selectMany, dummyTransform), breed(genBreed), diversityAssignment(dist,_archive, _k)
{}
/**
* Ctor with a crossover, a mutation and their corresponding rates.
* @param _continuator stopping criteria
@ -143,6 +152,7 @@ public:
genBreed(defaultSelect, defaultSGAGenOp),selectMany(select,1.0), selectTransform(selectMany, _op), breed(selectTransform), diversityAssignment(dist,_archive, _k)
{}
/**
* Ctor with a crossover, a mutation and their corresponding rates.
* @param _continuator stopping criteria
@ -157,6 +167,7 @@ public:
genBreed(select, _op),selectMany(defaultSelect,0.0), selectTransform(selectMany, dummyTransform), breed(genBreed), diversityAssignment(dist,_archive, _k)
{}
/**
* Ctor with a crossover, a mutation and their corresponding rates.
* @param _continuator stopping criteria
@ -171,6 +182,7 @@ public:
genBreed(defaultSelect, defaultSGAGenOp),selectMany(select,1.0), selectTransform(selectMany, _op), breed(selectTransform), diversityAssignment(dist,_archive, _k)
{}
/**
* Apply a few generation of evolution to the population _pop until the stopping criteria is verified.
* @param _pop the population
@ -182,57 +194,46 @@ public:
fitnessAssignment(_pop); //a first fitness assignment of _pop
diversityAssignment(_pop);//a first diversity assignment of _pop
archive(_pop);//a first filling of archive
while (continuator (_pop)) {
while (continuator (_pop))
{
// generate offspring, worths are recalculated if necessary
breed (_pop, offspring);
popEval (_pop, offspring); // eval of offspring
// after replace, the new pop is in _pop. Worths are recalculated if necessary
replace (_pop, offspring);
fitnessAssignment(_pop); //fitness assignment of _pop
diversityAssignment(_pop); //diversity assignment of _pop
archive(_pop); //control of archive
}
std::cout << "Final Archive\n";
archive.sortedPrintOn (std::cout);
std::cout << "\n";
}
protected:
/** Dummy Evaluation Function class*/
class eoDummyEval : public eoEvalFunc< MOEOT >
/** dummy evaluation */
class eoDummyEval : public eoEvalFunc< MOEOT >
{
public:
void operator()(MOEOT &)
{}
void operator()(MOEOT &) {}
}
dummyEval;
class eoDummyTransform : public eoTransform<MOEOT>
/** dummy transform */
class eoDummyTransform : public eoTransform<MOEOT>
{
public :
void operator()(eoPop<MOEOT>&)
{}
void operator()(eoPop<MOEOT>&) {}
}
dummyTransform;
/** a continuator based on the number of generations (used as default) */
eoGenContinue < MOEOT > defaultGenContinuator;
/** stopping criteria */
eoContinue < MOEOT > & continuator;
/** evaluation function */
eoEvalFunc < MOEOT >& eval;
eoEvalFunc < MOEOT > & eval;
/** loop eval */
eoPopLoopEval < MOEOT > loopEval;
/** evaluation function used to evaluate the whole population */
eoPopEvalFunc < MOEOT >& popEval;
eoPopEvalFunc < MOEOT > & popEval;
/** selectMany */
eoSelectMany <MOEOT> selectMany;
/** select Transform*/
@ -261,6 +262,7 @@ protected:
moeoEuclideanDistance < MOEOT > dist;
/**archive*/
moeoArchive < MOEOT >& archive;
};
#endif /*MOEOSPEA2_H_*/