23/02/07 modifications

git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@184 331e1502-861f-0410-8da2-ba01fb791d7f
This commit is contained in:
liefooga 2007-02-23 12:49:11 +00:00
commit 086b51c370
20 changed files with 772 additions and 970 deletions

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@ -31,9 +31,8 @@
* operator '<' et '>' ??? * operator '<' et '>' ???
* !!!!!!!!!!!!!!!!!!!!!!! * !!!!!!!!!!!!!!!!!!!!!!!
*/ */
template < class MOEOObjectiveVector, class MOEOFitness, class MOEODiversity > class MOEO:public EO < template < class MOEOObjectiveVector, class MOEOFitness, class MOEODiversity >
MOEOFitness class MOEO : public EO < MOEOFitness >
>
{ {
public: public:
@ -64,9 +63,7 @@ public:
/** /**
* Virtual dtor * Virtual dtor
*/ */
virtual ~ MOEO () virtual ~MOEO() {};
{
};
/** /**

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@ -15,9 +15,11 @@
#include <eo> #include <eo>
#include <metric/moeoAdditiveEpsilonBinaryMetric.h>
#include <metric/moeoBinaryMetricSavingUpdater.h> #include <metric/moeoBinaryMetricSavingUpdater.h>
#include <metric/moeoContributionMetric.h> #include <metric/moeoContributionMetric.h>
#include <metric/moeoEntropyMetric.h> #include <metric/moeoEntropyMetric.h>
#include <metric/moeoHypervolumeBinaryMetric.h>
#include <metric/moeoMetric.h> #include <metric/moeoMetric.h>
#include <moeoArchiveFitnessSavingUpdater.h> #include <moeoArchiveFitnessSavingUpdater.h>
#include <moeoArchiveUpdater.h> #include <moeoArchiveUpdater.h>
@ -28,6 +30,7 @@
#include <moeoEA.h> #include <moeoEA.h>
#include <moeoEvalFunc.h> #include <moeoEvalFunc.h>
#include <moeoFastNonDominatedSortingFitnessAssignment.h> #include <moeoFastNonDominatedSortingFitnessAssignment.h>
#include <moeoFitnessAssignment.h>
#include <moeoGenerationalReplacement.h> #include <moeoGenerationalReplacement.h>
#include <moeoHybridLS.h> #include <moeoHybridLS.h>
#include <moeoLS.h> #include <moeoLS.h>

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@ -14,11 +14,13 @@
#define MOEOARCHIVE_H_ #define MOEOARCHIVE_H_
#include <eoPop.h> #include <eoPop.h>
#include <moeoObjectiveVectorComparator.h>
/** /**
* An archive is a secondary population that stores non-dominated solutions * An archive is a secondary population that stores non-dominated solutions.
*/ */
template < class MOEOT > class moeoArchive:public eoPop < MOEOT > template < class MOEOT >
class moeoArchive : public eoPop < MOEOT >
{ {
public: public:
@ -39,19 +41,15 @@ public:
* The moeoObjectiveVectorComparator used to compare solutions is based on Pareto dominance * The moeoObjectiveVectorComparator used to compare solutions is based on Pareto dominance
*/ */
moeoArchive() : eoPop < MOEOT >(), comparator(paretoComparator) moeoArchive() : eoPop < MOEOT >(), comparator(paretoComparator)
{ {}
}
/** /**
* Ctor * Ctor
* @param _comparator the moeoObjectiveVectorComparator used to compare solutions * @param _comparator the moeoObjectiveVectorComparator used to compare solutions
*/ */
moeoArchive (moeoObjectiveVectorComparator < ObjectiveVector > &_comparator):eoPop < MOEOT > (), moeoArchive(moeoObjectiveVectorComparator < ObjectiveVector > & _comparator) : eoPop < MOEOT >(), comparator(_comparator)
comparator {}
(_comparator)
{
}
/** /**
@ -62,7 +60,7 @@ moeoArchive (moeoObjectiveVectorComparator < ObjectiveVector > &_comparator):eoP
{ {
for (unsigned i = 0; i<size(); i++) for (unsigned i = 0; i<size(); i++)
{ {
if (comparator (operator[](i).fitness (), _objectiveVector) == 1) if ( comparator(operator[](i).fitness(), _objectiveVector) )
{ {
return true; return true;
} }
@ -77,7 +75,7 @@ moeoArchive (moeoObjectiveVectorComparator < ObjectiveVector > &_comparator):eoP
*/ */
bool contains (const ObjectiveVector & _objectiveVector) const bool contains (const ObjectiveVector & _objectiveVector) const
{ {
for (unsigned i = 0; i < size; i++) for (unsigned i = 0; i<size(); i++)
{ {
if (operator[](i).fitness() == _objectiveVector) if (operator[](i).fitness() == _objectiveVector)
{ {
@ -97,15 +95,12 @@ moeoArchive (moeoObjectiveVectorComparator < ObjectiveVector > &_comparator):eoP
// first step: removing the dominated solutions from the archive // first step: removing the dominated solutions from the archive
for (unsigned j=0; j<size();) for (unsigned j=0; j<size();)
{ {
// if _moeo.fitness() dominates operator[](j).fitness() // if _moeo dominates the jth solution contained in the archive
//if ( comparator(_moeo.fitness(), operator[](j).fitness())==1 ) if ( comparator(_moeo.objectiveVector(), operator[](j).objectiveVector()) )
if (comparator
(_moeo.objectiveVector (), operator[](j).objectiveVector ()) == 1)
{ {
operator[](j) = back(); operator[](j) = back();
pop_back(); pop_back();
} }
//else if (_moeo.fitness() == operator[](j).fitness())
else if (_moeo.objectiveVector() == operator[](j).objectiveVector()) else if (_moeo.objectiveVector() == operator[](j).objectiveVector())
{ {
operator[](j) = back(); operator[](j) = back();
@ -120,10 +115,8 @@ moeoArchive (moeoObjectiveVectorComparator < ObjectiveVector > &_comparator):eoP
bool dom = false; bool dom = false;
for (unsigned j=0; j<size(); j++) for (unsigned j=0; j<size(); j++)
{ {
// if operator[](j).fitness() dominates _moeo.fitness() // if the jth solution contained in the archive dominates _moeo
//if ( comparator(operator[](j).fitness(), _moeo.fitness())==1 ) if ( comparator(operator[](j).objectiveVector(), _moeo.objectiveVector()) )
if (comparator
(operator[](j).objectiveVector (), _moeo.objectiveVector ()) == 1)
{ {
dom = true; dom = true;
break; break;

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@ -24,7 +24,8 @@
/** /**
* This class allows to save the fitnesses of solutions contained in an archive into a file at each generation. * This class allows to save the fitnesses of solutions contained in an archive into a file at each generation.
*/ */
template < class EOT > class moeoArchiveFitnessSavingUpdater:public eoUpdater template <class EOT>
class moeoArchiveFitnessSavingUpdater : public eoUpdater
{ {
public: public:
@ -34,17 +35,13 @@ public:
* @param _filename target filename * @param _filename target filename
* @param _id own ID * @param _id own ID
*/ */
moeoArchiveFitnessSavingUpdater (moeoArchive < EOT > &_arch, const std::string & _filename = "Res/Arch", int _id = -1):arch (_arch), filename (_filename), id (_id), moeoArchiveFitnessSavingUpdater (moeoArchive<EOT> & _arch, const std::string & _filename = "Res/Arch", int _id = -1) : arch(_arch), filename(_filename), id(_id), counter(0)
counter {}
(0)
{
}
/** /**
* Saves the fitness of the archive's members into the file * Saves the fitness of the archive's members into the file
*/ */
void operator () () void operator()() {
{
char buff[MAX_BUFFER_SIZE]; char buff[MAX_BUFFER_SIZE];
if (id == -1) if (id == -1)
sprintf (buff, "%s.%u", filename.c_str(), counter ++); sprintf (buff, "%s.%u", filename.c_str(), counter ++);

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@ -18,9 +18,10 @@
#include <moeoArchive.h> #include <moeoArchive.h>
/** /**
* This class allows to update the archive at each generation with newly found non-dominated solutions * This class allows to update the archive at each generation with newly found non-dominated solutions.
*/ */
template < class EOT > class moeoArchiveUpdater:public eoUpdater template < class EOT >
class moeoArchiveUpdater : public eoUpdater
{ {
public: public:
@ -29,17 +30,14 @@ public:
* @param _arch an archive of non-dominated solutions * @param _arch an archive of non-dominated solutions
* @param _pop the main population * @param _pop the main population
*/ */
moeoArchiveUpdater (moeoArchive < EOT > &_arch, moeoArchiveUpdater(moeoArchive <EOT> & _arch, const eoPop<EOT> & _pop) : arch(_arch), pop(_pop)
const eoPop < EOT > &_pop):arch (_arch), pop (_pop) {}
{
}
/** /**
* Updates the archive with newly found non-dominated solutions contained in the main population * Updates the archive with newly found non-dominated solutions contained in the main population
*/ */
void operator () () void operator()() {
{
arch.update(pop); arch.update(pop);
} }

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@ -19,43 +19,43 @@
/** /**
* This class allows to embed a set of local searches that are sequentially applied, * This class allows to embed a set of local searches that are sequentially applied,
* and so working and updating the same archive of non-dominated solutions * and so working and updating the same archive of non-dominated solutions.
*/ */
template < class MOEOT > class moeoCombinedLS:public moeoLS < MOEOT > template < class MOEOT >
class moeoCombinedLS : public moeoLS < MOEOT >
{ {
public: public:
/** /**
* Ctor * Ctor
* @param _eval the full evaluator of a solution * @param _eval the full evaluator of a solution
* @param _first_ls the first multi-objective local search to add * @param _first_mols the first multi-objective local search to add
*/ */
moeoCombinedLS (moeoEvalFunc < MOEOT > &_eval, moeoLS < MOEOT > &_first_ls):eval moeoCombinedLS(moeoEvalFunc < MOEOT > & _eval, moeoLS < MOEOT > & _first_mols) : eval (_eval)
(_eval)
{ {
combinedLS.push_back (&_first_ls); combinedLS.push_back (& _first_mols);
} }
/** /**
* Adds a new local search to combine * Adds a new local search to combine
* @param _ls the multi-objective local search to add * @param _mols the multi-objective local search to add
*/ */
void add (moeoLS < MOEOT > &_ls) void add(moeoLS < MOEOT > & _mols)
{ {
combinedMOLS.push_back (&_ls); combinedMOLS.push_back(& _mols);
} }
/** /**
* Gives a new solution in order to explore the neigborhood. * Gives a new solution in order to explore the neigborhood.
* The new non-dominated solutions are added to the archive * The new non-dominated solutions are added to the archive
* @param _eo the solution * @param _moeo the solution
* @param _arch the archive of non-dominated solutions * @param _arch the archive of non-dominated solutions
*/ */
void operator () (const MOEOT & _eo, moeoArchive < MOEOT > &_arch) void operator () (const MOEOT & _moeo, moeoArchive < MOEOT > & _arch)
{ {
eval (const_cast < MOEOT & >(_eo)); eval(const_cast < MOEOT & > (_moeo));
for (unsigned i=0; i<combinedLS.size(); i++) for (unsigned i=0; i<combinedLS.size(); i++)
combinedLS[i]->operator ()(_eo, _arch); combinedLS[i] -> operator()(_moeo, _arch);
} }

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@ -14,24 +14,20 @@
#define MOEOCOMPARATOR_H_ #define MOEOCOMPARATOR_H_
#include <eoFunctor.h> #include <eoFunctor.h>
#include <eoPop.h>
/** /**
* Functor allowing to compare two solutions * Functor allowing to compare two solutions.
*/ */
template < class MOEOT > class moeoComparator:public eoBF < const MOEOT &, const MOEOT &, template < class MOEOT >
const bool > class moeoComparator : public eoBF < const MOEOT &, const MOEOT &, const bool >
{ {};
public:
// virtual const bool operator () (const MOEOT & _moeo1, const MOEOT & _moeo){}
};
/** /**
* Functor allowing to compare two solutions according to their first objective value, then their second, and so on * Functor allowing to compare two solutions according to their first objective value, then their second, and so on.
*/ */
template < class MOEOT > class moeoObjectiveComparator:public moeoComparator < template < class MOEOT >
MOEOT > class moeoObjectiveComparator : public moeoComparator < MOEOT >
{ {
public: public:
/** /**
@ -47,48 +43,10 @@ public:
/** /**
* Functor allowing to compare two solutions according to their fitness values * Functor allowing to compare two solutions according to their fitness values, then according to their diversity values.
*/ */
//template < class MOEOT > template < class MOEOT >
//class moeoFitnessComparator : public moeoComparator < MOEOT > class moeoFitnessThenDiversityComparator : public moeoComparator < MOEOT >
//{
//public:
// /**
// * Returns true if the fitness value of _moeo1 is smaller than the fitness value of _moeo2
// * @param _moeo1 the first solution
// * @param _moeo2 the second solution
// */
// const bool operator()(const MOEOT & _moeo1, const MOEOT & _moeo2)
// {
// return _moeo1.fitness() < _moeo2.fitness();
// }
//};
//
//
///**
// * Functor allowing to compare two solutions according to their diversity values
// */
//template < class MOEOT >
//class moeoDiversityComparator : public moeoComparator < MOEOT >
//{
//public:
// /**
// * Returns true if the diversity value of _moeo1 is smaller than the diversity value of _moeo2
// * @param _moeo1 the first solution
// * @param _moeo2 the second solution
// */
// const bool operator()(const MOEOT & _moeo1, const MOEOT & _moeo2)
// {
// return _moeo1.diversity() < _moeo2.diversity();
// }
//};
/**
* Functor allowing to compare two solutions according to their fitness values, then according to their diversity values
*/
template < class MOEOT > class moeoFitnessThenDiversityComparator:public moeoComparator <
MOEOT >
{ {
public: public:
/** /**
@ -111,10 +69,10 @@ public:
/** /**
* Functor allowing to compare two solutions according to their diversity values, then according to their fitness values * Functor allowing to compare two solutions according to their diversity values, then according to their fitness values.
*/ */
template < class MOEOT > class moeoDiversityThenFitnessComparator:public moeoComparator < template < class MOEOT >
MOEOT > class moeoDiversityThenFitnessComparator : public moeoComparator < MOEOT >
{ {
public: public:
/** /**
@ -136,50 +94,4 @@ public:
}; };
/**
* Functor allowing to compare two solutions according to Pareto dominance relation => USEFULL ???
*
template < class MOEOT >
class moeoParetoDominanceComparator : public moeoComparator < MOEOT >
{
public:
/**
* Returns true if _moeo1 is dominated by _moeo2 according to Pareto dominance relation
* @param _moeo1 the first solution
* @param _moeo2 the second solution
*
const bool operator()(const MOEOT & _moeo1, const MOEOT & _moeo2)
{
bool result = false;
typedef typename MOEOT::ObjectiveVector::Traits ObjectiveVectorTraits;
for (unsigned i=0; i<ObjectiveVectorTraits::nObjectives(); i++)
{
// first, we have to check if the 2 objective values are not equal on the ith objective
if ( fabs(_moeo1.objectiveVector()[i] - _moeo2.objectiveVector()[i]) > ObjectiveVectorTraits::tolerance() )
{
// if the ith objective have to be minimized...
if (ObjectiveVectorTraits::minimizing(i))
{
if (_moeo1.objectiveVector()[i] < _moeo2.objectiveVector()[i])
{
return false; // _moeo2 cannot dominate _moeo1
}
result = true;
}
// if the ith objective have to be maximized...
else if (ObjectiveVectorTraits::maximizing(i))
{
if (_moeo1.objectiveVector()[i] > _moeo2.objectiveVector()[i])
{
return false; // _moeo2 cannot dominate _moeo1
}
result = true;
}
}
}
return result;
}
};
*/
#endif /*MOEOCOMPARATOR_H_*/ #endif /*MOEOCOMPARATOR_H_*/

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@ -17,24 +17,28 @@
#include <eoPop.h> #include <eoPop.h>
/** /**
* Functor that sets the diversity values of a whole population * Functor that sets the diversity values of a whole population.
*/ */
template < class MOEOT > class moeoDiversityAssignment:public eoUF < eoPop < MOEOT > &, template < class MOEOT >
void > class moeoDiversityAssignment : public eoUF < eoPop < MOEOT > &, void >
{ {};
};
/** /**
* moeoDummyDiversityAssignment is a moeoDiversityAssignment which gives 0 as the diversity for the whole population. * moeoDummyDiversityAssignment is a moeoDiversityAssignment that gives the value '0' as the individual's diversity for a whole population.
*/ */
template < class MOEOT > class moeoDummyDiversityAssignment:public moeoDiversityAssignment < template < class MOEOT >
MOEOT > class moeoDummyDiversityAssignment : public moeoDiversityAssignment < MOEOT >
{ {
// main operator public:
/**
* Sets the diversity to '0' for every individuals of the population _pop
* @param _pop the population
*/
void operator () (eoPop < MOEOT > & _pop) void operator () (eoPop < MOEOT > & _pop)
{ {
for (int idx = 0; idx < _pop.size (); idx++) for (unsigned idx = 0; idx<_pop.size (); idx++)
{ {
// set the diversity to 0 // set the diversity to 0
_pop[idx].diversity(0); _pop[idx].diversity(0);
@ -43,6 +47,4 @@ template < class MOEOT > class moeoDummyDiversityAssignment:public moeoDiversity
}; };
#endif /*MOEODIVERSITYASSIGNMENT_H_*/ #endif /*MOEODIVERSITYASSIGNMENT_H_*/

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@ -16,11 +16,10 @@
#include <eoAlgo.h> #include <eoAlgo.h>
/** /**
* Abstract class for multi-objective evolutionary algorithms * Abstract class for multi-objective evolutionary algorithms.
*/ */
template < class MOEOT > class moeoEA:public eoAlgo < MOEOT > template < class MOEOT >
{ class moeoEA : public eoAlgo < MOEOT > {};
};
#endif /*MOEOEA_H_*/ #endif /*MOEOEA_H_*/

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@ -18,8 +18,7 @@
/* /*
* Functor that evaluates one MOEO by setting all its objective values. * Functor that evaluates one MOEO by setting all its objective values.
*/ */
template < class MOEOT > class moeoEvalFunc:public eoEvalFunc < MOEOT > template < class MOEOT >
{ class moeoEvalFunc : public eoEvalFunc< MOEOT > {};
};
#endif /*MOEOEVALFUNC_H_*/ #endif /*MOEOEVALFUNC_H_*/

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@ -14,29 +14,26 @@
#define MOEOFASTNONDOMINATEDSORTINGFITNESSASSIGNMENT_H_ #define MOEOFASTNONDOMINATEDSORTINGFITNESSASSIGNMENT_H_
#include <eoPop.h> #include <eoPop.h>
#include <moeoFitnessAssignment.h>
#include <moeoComparator.h> #include <moeoComparator.h>
#include <moeoFitnessAssignment.h>
#include <moeoObjectiveVectorComparator.h> #include <moeoObjectiveVectorComparator.h>
/** /**
* Fitness assignment sheme based on Pareto-dominance count proposed in * Fitness assignment sheme based on Pareto-dominance count proposed in:
* N. Srinivas, K. Deb, "Multiobjective Optimization Using Nondominated Sorting in Genetic Algorithms", Evolutionary Computation vol. 2, no. 3, pp. 221-248 (1994) * N. Srinivas, K. Deb, "Multiobjective Optimization Using Nondominated Sorting in Genetic Algorithms", Evolutionary Computation vol. 2, no. 3, pp. 221-248 (1994)
* and in * and in:
* K. Deb, A. Pratap, S. Agarwal, T. Meyarivan, "A Fast and Elitist Multi-Objective Genetic Algorithm: NSGA-II", IEEE Transactions on Evolutionary Computation, vol. 6, no. 2 (2002). * K. Deb, A. Pratap, S. Agarwal, T. Meyarivan, "A Fast and Elitist Multi-Objective Genetic Algorithm: NSGA-II", IEEE Transactions on Evolutionary Computation, vol. 6, no. 2 (2002).
* This strategy is, for instance, used in NSGA and NSGA-II. * This strategy is, for instance, used in NSGA and NSGA-II.
*/ */
template < class MOEOT > class moeoFastNonDominatedSortingFitnessAssignment:public moeoParetoBasedFitnessAssignment < template < class MOEOT >
MOEOT class moeoFastNonDominatedSortingFitnessAssignment : public moeoParetoBasedFitnessAssignment < MOEOT >
>
{ {
public: public:
/** /**
* Ctor * Ctor
*/ */
moeoFastNonDominatedSortingFitnessAssignment () moeoFastNonDominatedSortingFitnessAssignment() {}
{
}
/** /**
@ -54,7 +51,7 @@ public:
} }
else if (nObjectives == 2) else if (nObjectives == 2)
{ {
// two objectives (the two objectives function is still to do) // two objectives (the two objectives function is still to implement)
mObjectives(_pop); mObjectives(_pop);
} }
else if (nObjectives > 2) else if (nObjectives > 2)
@ -65,9 +62,7 @@ public:
else else
{ {
// problem with the number of objectives // problem with the number of objectives
throw std:: throw std::runtime_error("Problem with the number of objectives in moeoFastNonDominatedSortingFitnessAssignment");
runtime_error
("Problem with the number of objectives in moeoFastNonDominatedSortingFitnessAssignment");
} }
} }
@ -120,24 +115,18 @@ private:
std::vector < std::vector<unsigned> > F(_pop.size()+1); std::vector < std::vector<unsigned> > F(_pop.size()+1);
// used to store the number of the first front // used to store the number of the first front
F[1].reserve(_pop.size()); F[1].reserve(_pop.size());
// flag to comparae solutions
int comparatorFlag;
for (unsigned p=0; p<_pop.size(); p++) for (unsigned p=0; p<_pop.size(); p++)
{ {
for (unsigned q=0; q<_pop.size(); q++) for (unsigned q=0; q<_pop.size(); q++)
{ {
// comparison of the 2 solutions according to Pareto dominance
comparatorFlag =
comparator (_pop[p].objectiveVector (),
_pop[q].objectiveVector ());
// if p dominates q // if p dominates q
if (comparatorFlag == 1) if ( comparator(_pop[p].objectiveVector(), _pop[q].objectiveVector()) )
{ {
// add q to the set of solutions dominated by p // add q to the set of solutions dominated by p
S[p].push_back(q); S[p].push_back(q);
} }
// if q dominates p // if q dominates p
else if (comparatorFlag == -1) else if ( comparator(_pop[q].objectiveVector(), _pop[p].objectiveVector()) )
{ {
// increment the domination counter of p // increment the domination counter of p
n[p]++; n[p]++;

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@ -17,46 +17,35 @@
#include <eoPop.h> #include <eoPop.h>
/** /**
* Functor that sets the fitness values of a whole population * Functor that sets the fitness values of a whole population.
*/ */
template < class MOEOT > class moeoFitnessAssignment:public eoUF < eoPop < MOEOT > &, template < class MOEOT >
void > class moeoFitnessAssignment : public eoUF < eoPop < MOEOT > &, void >
{ {};
};
/** /**
* moeoScalarFitnessAssignment is a moeoFitnessAssignment for scalar strategies * moeoScalarFitnessAssignment is a moeoFitnessAssignment for scalar strategies.
*/ */
template < class MOEOT > class moeoScalarFitnessAssignment:public moeoFitnessAssignment < template < class MOEOT >
MOEOT > class moeoScalarFitnessAssignment : public moeoFitnessAssignment < MOEOT >
{ {};
};
/** /**
* moeoCriterionBasedFitnessAssignment is a moeoFitnessAssignment for criterion-based strategies * moeoCriterionBasedFitnessAssignment is a moeoFitnessAssignment for criterion-based strategies.
*/ */
template < class MOEOT > class moeoCriterionBasedFitnessAssignment:public moeoFitnessAssignment < template < class MOEOT >
MOEOT > class moeoCriterionBasedFitnessAssignment : public moeoFitnessAssignment < MOEOT >
{ {};
};
/** /**
* moeoParetoBasedFitnessAssignment is a moeoFitnessAssignment for Pareto-based strategies * moeoParetoBasedFitnessAssignment is a moeoFitnessAssignment for Pareto-based strategies.
*/ */
template < class MOEOT > class moeoParetoBasedFitnessAssignment:public moeoFitnessAssignment < template < class MOEOT >
MOEOT > class moeoParetoBasedFitnessAssignment : public moeoFitnessAssignment < MOEOT >
{ {};
void operator () (eoPop < MOEOT > &_pop)
{
// do nothing for the moment ...
}
};
#endif /*MOEOFITNESSASSIGNMENT_H_*/ #endif /*MOEOFITNESSASSIGNMENT_H_*/

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@ -17,12 +17,9 @@
#include <moeoGenerationalReplacement.h> #include <moeoGenerationalReplacement.h>
/** /**
* Generational replacement: only the new individuals are preserved * Generational replacement: only the new individuals are preserved.
*/ */
template < class MOEOT > class moeoGenerationalReplacement:public moeoReplacement < MOEOT >, template < class MOEOT >
public eoGenerationalReplacement < class moeoGenerationalReplacement : public moeoReplacement < MOEOT >, public eoGenerationalReplacement < MOEOT > {};
MOEOT >
{
};
#endif /*MOEOGENERATIONALREPLACEMENT_H_*/ #endif /*MOEOGENERATIONALREPLACEMENT_H_*/

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@ -24,7 +24,8 @@
* This class allows to apply a multi-objective local search to a number of selected individuals contained in the archive * This class allows to apply a multi-objective local search to a number of selected individuals contained in the archive
* at every generation until a stopping criteria is verified. * at every generation until a stopping criteria is verified.
*/ */
template < class MOEOT > class moeoHybridLS:public eoUpdater template < class MOEOT >
class moeoHybridLS : public eoUpdater
{ {
public: public:
@ -32,14 +33,11 @@ public:
* Ctor * Ctor
* @param _term stopping criteria * @param _term stopping criteria
* @param _select selector * @param _select selector
* @param _ls a multi-objective local search * @param _mols a multi-objective local search
* @param _arch the archive * @param _arch the archive
*/ */
eoHybridLS (eoContinue < MOEOT > &_term, eoSelect < MOEOT > &_select, moeoLS < MOEOT > &_ls, moeoArchive < MOEOT > &_arch):term (_term), select (_select), ls (_ls), eoHybridLS (eoContinue < MOEOT > & _term, eoSelect < MOEOT > & _select, moeoLS < MOEOT > & _mols, moeoArchive < MOEOT > & _arch) : term(_term), select(_select), mols(_mols), arch(_arch)
arch {}
(_arch)
{
}
/** /**
* Applies the multi-objective local search to selected individuals contained in the archive if the stopping criteria is not verified * Applies the multi-objective local search to selected individuals contained in the archive if the stopping criteria is not verified
@ -54,7 +52,7 @@ eoHybridLS (eoContinue < MOEOT > &_term, eoSelect < MOEOT > &_select, moeoLS < M
// apply the local search to every selected solution // apply the local search to every selected solution
for (unsigned i=0; i<selectedSolutions.size(); i++) for (unsigned i=0; i<selectedSolutions.size(); i++)
{ {
ls (selectedSolutions[i], arch); mols(selectedSolutions[i], arch);
} }
} }
} }
@ -67,7 +65,7 @@ private:
/** selector */ /** selector */
eoSelect < MOEOT > & select; eoSelect < MOEOT > & select;
/** multi-objective local search */ /** multi-objective local search */
moeoLS < MOEOT > &ls; moeoLS < MOEOT > & mols;
/** archive */ /** archive */
moeoArchive < MOEOT > & arch; moeoArchive < MOEOT > & arch;

View file

@ -20,9 +20,8 @@
* Abstract class for local searches applied to multi-objective optimization. * Abstract class for local searches applied to multi-objective optimization.
* Starting from only one solution, it produces a set of new non-dominated solutions. * Starting from only one solution, it produces a set of new non-dominated solutions.
*/ */
template < class MOEOT > class moeoLS:public eoBF < const MOEOT &, moeoArchive < MOEOT > &, template < class MOEOT >
void > class moeoLS: public eoBF < const MOEOT &, moeoArchive < MOEOT > &, void >
{ {};
};
#endif /*MOEOLS_H_*/ #endif /*MOEOLS_H_*/

View file

@ -24,7 +24,8 @@
* but it can be replaced at will by any other class that implements the static functions defined therein. * but it can be replaced at will by any other class that implements the static functions defined therein.
* Some static funtions to access to the traits characteristics are re-defined in order not to write a lot of typedef's. * Some static funtions to access to the traits characteristics are re-defined in order not to write a lot of typedef's.
*/ */
template < class ObjectiveVectorTraits > class moeoObjectiveVector template < class ObjectiveVectorTraits >
class moeoObjectiveVector
{ {
public: public:
@ -37,8 +38,7 @@ public:
* @param _nObjectives the number of objectives * @param _nObjectives the number of objectives
* @param _bObjectives the min/max vector (true = min / false = max) * @param _bObjectives the min/max vector (true = min / false = max)
*/ */
static void setup (unsigned _nObjectives, static void setup(unsigned _nObjectives, std::vector < bool > & _bObjectives)
std::vector < bool > &_bObjectives)
{ {
ObjectiveVectorTraits::setup(_nObjectives, _bObjectives); ObjectiveVectorTraits::setup(_nObjectives, _bObjectives);
} }
@ -57,8 +57,7 @@ public:
* Returns true if the _ith objective have to be minimized * Returns true if the _ith objective have to be minimized
* @param _i the index * @param _i the index
*/ */
static bool minimizing (unsigned _i) static bool minimizing(unsigned _i) {
{
return ObjectiveVectorTraits::minimizing(_i); return ObjectiveVectorTraits::minimizing(_i);
} }
@ -67,8 +66,7 @@ public:
* Returns true if the _ith objective have to be maximized * Returns true if the _ith objective have to be maximized
* @param _i the index * @param _i the index
*/ */
static bool maximizing (unsigned _i) static bool maximizing(unsigned _i) {
{
return ObjectiveVectorTraits::maximizing(_i); return ObjectiveVectorTraits::maximizing(_i);
} }
@ -79,34 +77,25 @@ public:
* This class allows to represent a solution in the objective space (phenotypic representation) by a std::vector of doubles, * This class allows to represent a solution in the objective space (phenotypic representation) by a std::vector of doubles,
* i.e. that an objective value is represented using a double, and this for any objective. * i.e. that an objective value is represented using a double, and this for any objective.
*/ */
template < class ObjectiveVectorTraits > class moeoObjectiveVectorDouble:public moeoObjectiveVector < ObjectiveVectorTraits >, template < class ObjectiveVectorTraits >
public std::vector < class moeoObjectiveVectorDouble : public moeoObjectiveVector < ObjectiveVectorTraits >, public std::vector < double >
double >
{ {
public: public:
using using std::vector< double >::size;
std::vector < double >::size; using std::vector< double >::operator[];
using
std::vector < double >::operator[];
/** /**
* Ctor * Ctor
*/ */
moeoObjectiveVectorDouble (): moeoObjectiveVectorDouble() : std::vector < double > (ObjectiveVectorTraits::nObjectives(), 0.0) {}
std::vector < double >(ObjectiveVectorTraits::nObjectives (), 0.0)
{
}
/** /**
* Ctor from a vector of doubles * Ctor from a vector of doubles
* @param _v the std::vector < double > * @param _v the std::vector < double >
*/ */
moeoObjectiveVectorDouble (std::vector < double >&_v): moeoObjectiveVectorDouble(std::vector <double> & _v) : std::vector < double > (_v) {}
std::vector < double >(_v)
{
}
/** /**
@ -114,16 +103,10 @@ public:
* (but it's better to use a moeoObjectiveVectorComparator object to compare solutions) * (but it's better to use a moeoObjectiveVectorComparator object to compare solutions)
* @param _other the other moeoObjectiveVectorDouble object to compare with * @param _other the other moeoObjectiveVectorDouble object to compare with
*/ */
bool bool dominates(const moeoObjectiveVectorDouble < ObjectiveVectorTraits > & _other) const
dominates (const moeoObjectiveVectorDouble < ObjectiveVectorTraits >
&_other) const
{ {
moeoParetoObjectiveVectorComparator < moeoParetoObjectiveVectorComparator < moeoObjectiveVectorDouble<ObjectiveVectorTraits> > comparator;
moeoObjectiveVectorDouble < return comparator(*this, _other);
ObjectiveVectorTraits > >
comparator;
return
comparator (*this, _other) == 1;
} }
@ -131,20 +114,16 @@ public:
* Returns true if the current objective vector is equal to _other (according to a tolerance value) * Returns true if the current objective vector is equal to _other (according to a tolerance value)
* @param _other the other moeoObjectiveVectorDouble object to compare with * @param _other the other moeoObjectiveVectorDouble object to compare with
*/ */
bool bool operator==(const moeoObjectiveVectorDouble < ObjectiveVectorTraits > & _other) const
operator== (const moeoObjectiveVectorDouble < ObjectiveVectorTraits >
&_other) const
{ {
for (unsigned i=0; i < size(); i++) for (unsigned i=0; i < size(); i++)
{ {
if (fabs (operator[](i) - _other[i]) > if ( fabs(operator[](i) - _other[i]) > ObjectiveVectorTraits::tolerance() )
ObjectiveVectorTraits::tolerance ())
{ {
return false; return false;
} }
} }
return return true;
true;
} }
@ -152,12 +131,9 @@ public:
* Returns true if the current objective vector is different than _other (according to a tolerance value) * Returns true if the current objective vector is different than _other (according to a tolerance value)
* @param _other the other moeoObjectiveVectorDouble object to compare with * @param _other the other moeoObjectiveVectorDouble object to compare with
*/ */
bool bool operator!=(const moeoObjectiveVectorDouble < ObjectiveVectorTraits > & _other) const
operator!= (const moeoObjectiveVectorDouble < ObjectiveVectorTraits >
&_other) const
{ {
return ! return ! operator==(_other);
operator== (_other);
} }
@ -166,14 +142,11 @@ public:
* (can be usefull for sorting/printing) * (can be usefull for sorting/printing)
* @param _other the other moeoObjectiveVectorDouble object to compare with * @param _other the other moeoObjectiveVectorDouble object to compare with
*/ */
bool bool operator<(const moeoObjectiveVectorDouble < ObjectiveVectorTraits > & _other) const
operator< (const moeoObjectiveVectorDouble < ObjectiveVectorTraits >
&_other) const
{ {
for (unsigned i=0; i < size(); i++) for (unsigned i=0; i < size(); i++)
{ {
if (fabs (operator[](i) - _other[i]) > if ( fabs(operator[](i) - _other[i]) > ObjectiveVectorTraits::tolerance() )
ObjectiveVectorTraits::tolerance ())
{ {
if (operator[](i) < _other[i]) if (operator[](i) < _other[i])
{ {
@ -194,13 +167,9 @@ public:
* (can be usefull for sorting/printing) * (can be usefull for sorting/printing)
* @param _other the other moeoObjectiveVectorDouble object to compare with * @param _other the other moeoObjectiveVectorDouble object to compare with
*/ */
bool bool operator>(const moeoObjectiveVectorDouble < ObjectiveVectorTraits > & _other) const
operator> (const moeoObjectiveVectorDouble < ObjectiveVectorTraits >
&_other) const
{ {
return return _other < *this;
_other < *
this;
} }
@ -209,13 +178,9 @@ public:
* (can be usefull for sorting/printing) * (can be usefull for sorting/printing)
* @param _other the other moeoObjectiveVectorDouble object to compare with * @param _other the other moeoObjectiveVectorDouble object to compare with
*/ */
bool bool operator<=(const moeoObjectiveVectorDouble < ObjectiveVectorTraits > & _other) const
operator<= (const moeoObjectiveVectorDouble < ObjectiveVectorTraits >
&_other) const
{ {
return return operator==(_other) || operator<(_other);
operator== (_other) ||
operator< (_other);
} }
@ -224,13 +189,9 @@ public:
* (can be usefull for sorting/printing) * (can be usefull for sorting/printing)
* @param _other the other moeoObjectiveVectorDouble object to compare with * @param _other the other moeoObjectiveVectorDouble object to compare with
*/ */
bool bool operator>=(const moeoObjectiveVectorDouble < ObjectiveVectorTraits > & _other) const
operator>= (const moeoObjectiveVectorDouble < ObjectiveVectorTraits >
&_other) const
{ {
return return operator==(_other) || operator>(_other);
operator== (_other) ||
operator> (_other);
} }
}; };
@ -242,9 +203,7 @@ public:
* @param _objectiveVector the objective vector to write * @param _objectiveVector the objective vector to write
*/ */
template < class ObjectiveVectorTraits > template < class ObjectiveVectorTraits >
std::ostream & operator<< (std::ostream & _os, std::ostream & operator<<(std::ostream & _os, const moeoObjectiveVectorDouble < ObjectiveVectorTraits > & _objectiveVector)
const moeoObjectiveVectorDouble <
ObjectiveVectorTraits > &_objectiveVector)
{ {
for (unsigned i=0; i<_objectiveVector.size(); i++) for (unsigned i=0; i<_objectiveVector.size(); i++)
{ {
@ -259,9 +218,7 @@ template < class ObjectiveVectorTraits >
* @param _objectiveVector the objective vector to read * @param _objectiveVector the objective vector to read
*/ */
template < class ObjectiveVectorTraits > template < class ObjectiveVectorTraits >
std::istream & operator>> (std::istream & _is, std::istream & operator>>(std::istream & _is, moeoObjectiveVectorDouble < ObjectiveVectorTraits > & _objectiveVector)
moeoObjectiveVectorDouble <
ObjectiveVectorTraits > &_objectiveVector)
{ {
_objectiveVector = moeoObjectiveVectorDouble < ObjectiveVectorTraits > (); _objectiveVector = moeoObjectiveVectorDouble < ObjectiveVectorTraits > ();
for (unsigned i=0; i<_objectiveVector.size(); i++) for (unsigned i=0; i<_objectiveVector.size(); i++)

View file

@ -20,47 +20,42 @@
* Abstract class allowing to compare 2 objective vectors. * Abstract class allowing to compare 2 objective vectors.
* The template argument ObjectiveVector have to be a moeoObjectiveVector. * The template argument ObjectiveVector have to be a moeoObjectiveVector.
*/ */
template < class ObjectiveVector > class moeoObjectiveVectorComparator:public eoBF < const ObjectiveVector &, const ObjectiveVector &, template < class ObjectiveVector >
int > class moeoObjectiveVectorComparator : public eoBF < const ObjectiveVector &, const ObjectiveVector &, bool >
{ {};
};
/** /**
* This functor class allows to compare 2 objective vectors according to Pareto dominance * This functor class allows to compare 2 objective vectors according to Pareto dominance.
*/ */
template < class ObjectiveVector > class moeoParetoObjectiveVectorComparator:public moeoObjectiveVectorComparator < template < class ObjectiveVector >
ObjectiveVector class moeoParetoObjectiveVectorComparator : public moeoObjectiveVectorComparator < ObjectiveVector >
>
{ {
public: public:
/** /**
* Returns 1 if _objectiveVector1 dominates _objectiveVector2, -1 if _objectiveVector2 dominates _objectiveVector1 and 0 if no one dominates the other * Returns true if _objectiveVector1 dominates _objectiveVector2
* @param _objectiveVector1 the first objective vector * @param _objectiveVector1 the first objective vector
* @param _objectiveVector2 the second objective vector * @param _objectiveVector2 the second objective vector
*/ */
int operator () (const ObjectiveVector & _objectiveVector1, bool operator()(const ObjectiveVector & _objectiveVector1, const ObjectiveVector & _objectiveVector2)
const ObjectiveVector & _objectiveVector2)
{ {
bool dom1 = false; bool dom = false;
bool dom2 = false;
for (unsigned i=0; i<ObjectiveVector::nObjectives(); i++) for (unsigned i=0; i<ObjectiveVector::nObjectives(); i++)
{ {
// first, we have to check if the 2 objective values are not equal for the ith objective // first, we have to check if the 2 objective values are not equal for the ith objective
if (fabs (_objectiveVector1[i] - _objectiveVector2[i]) > if ( fabs(_objectiveVector1[i] - _objectiveVector2[i]) > ObjectiveVector::Traits::tolerance() )
ObjectiveVector::Traits::tolerance ())
{ {
// if the ith objective have to be minimized... // if the ith objective have to be minimized...
if (ObjectiveVector::minimizing(i)) if (ObjectiveVector::minimizing(i))
{ {
if (_objectiveVector1[i] > _objectiveVector2[i]) if (_objectiveVector1[i] < _objectiveVector2[i])
{ {
dom2 = true; //_objectiveVector2[i] is better than _objectiveVector1[i] dom = true; //_objectiveVector1[i] is better than _objectiveVector2[i]
} }
else // _objectiveVector1[i] < _objectiveVector2[i] else
{ {
dom1 = true; //_objectiveVector1[i] is better than _objectiveVector2[i] return false; //_objectiveVector1 cannot dominate _objectiveVector2
} }
} }
// if the ith objective have to be maximized... // if the ith objective have to be maximized...
@ -68,24 +63,16 @@ public:
{ {
if (_objectiveVector1[i] > _objectiveVector2[i]) if (_objectiveVector1[i] > _objectiveVector2[i])
{ {
dom1 = true; //_objectiveVector1[i] is better than _objectiveVector2[i] dom = true; //_objectiveVector1[i] is better than _objectiveVector2[i]
} }
else // _objectiveVector1[i] < _objectiveVector2[i] else
{ {
dom2 = true; //_objectiveVector2[i] is better than _objectiveVector1[i] return false; //_objectiveVector1 cannot dominate _objectiveVector2
} }
} }
} }
} }
if (dom1 == dom2) return dom;
{
return 0; // no one dominates the other
}
if (dom1)
{
return 1; //_objectiveVector1 dominates _objectiveVector2
}
return -1; //_objectiveVector2 dominates _objectiveVector1
} }
}; };

View file

@ -18,7 +18,7 @@
#include <stdexcept> #include <stdexcept>
/** /**
* A traits class for moeoObjectiveVector to specify the number of objectives and which ones have to be minimized or maximized * A traits class for moeoObjectiveVector to specify the number of objectives and which ones have to be minimized or maximized.
*/ */
class moeoObjectiveVectorTraits class moeoObjectiveVectorTraits
{ {
@ -32,16 +32,13 @@ public:
* @param _nObjectives the number of objectives * @param _nObjectives the number of objectives
* @param _bObjectives the min/max vector (true = min / false = max) * @param _bObjectives the min/max vector (true = min / false = max)
*/ */
static void setup (unsigned _nObjectives, static void setup(unsigned _nObjectives, std::vector < bool > & _bObjectives)
std::vector < bool > &_bObjectives)
{ {
// in case the number of objectives was already set to a different value // in case the number of objectives was already set to a different value
if (nObj && (nObj != _nObjectives)) if ( nObj && (nObj != _nObjectives) ) {
{
std::cout << "WARNING\n"; std::cout << "WARNING\n";
std::cout << "WARNING : the number of objectives are changing\n"; std::cout << "WARNING : the number of objectives are changing\n";
std:: std::cout << "WARNING : Make sure all existing objects are destroyed\n";
cout << "WARNING : Make sure all existing objects are destroyed\n";
std::cout << "WARNING\n"; std::cout << "WARNING\n";
} }
// number of objectives // number of objectives
@ -50,9 +47,7 @@ public:
bObj = _bObjectives; bObj = _bObjectives;
// in case the number of objectives and the min/max vector size don't match // in case the number of objectives and the min/max vector size don't match
if (nObj != bObj.size()) if (nObj != bObj.size())
throw std:: throw std::runtime_error("Number of objectives and min/max size don't match in moeoObjectiveVectorTraits::setup");
runtime_error
("Number of objectives and min/max size don't match in moeoObjectiveVectorTraits::setup");
} }
/** /**
@ -62,9 +57,7 @@ public:
{ {
// in case the number of objectives would not be assigned yet // in case the number of objectives would not be assigned yet
if (! nObj) if (! nObj)
throw std:: throw std::runtime_error("Number of objectives not assigned in moeoObjectiveVectorTraits");
runtime_error
("Number of objectives not assigned in moeoObjectiveVectorTraits");
return nObj; return nObj;
} }
@ -74,11 +67,6 @@ public:
*/ */
static bool minimizing(unsigned _i) static bool minimizing(unsigned _i)
{ {
// in case the min/max vector would not be assigned yet
if (!bObj[_i])
throw std::
runtime_error
("We don't know if the ith objective have to be minimized or maximized in moeoObjectiveVectorTraits");
// in case there would be a wrong index // in case there would be a wrong index
if (_i >= bObj.size()) if (_i >= bObj.size())
throw std::runtime_error("Wrong index in moeoObjectiveVectorTraits"); throw std::runtime_error("Wrong index in moeoObjectiveVectorTraits");
@ -89,8 +77,7 @@ public:
* Returns true if the _ith objective have to be maximized * Returns true if the _ith objective have to be maximized
* @param _i the index * @param _i the index
*/ */
static bool maximizing (unsigned _i) static bool maximizing(unsigned _i) {
{
return (! minimizing(_i)); return (! minimizing(_i));
} }
@ -117,6 +104,5 @@ private:
// The static variables of the moeoObjectiveVectorTraits class need to be allocated // The static variables of the moeoObjectiveVectorTraits class need to be allocated
// (maybe it would have been better to put this on a moeoObjectiveVectorTraits.cpp file) // (maybe it would have been better to put this on a moeoObjectiveVectorTraits.cpp file)
unsigned unsigned moeoObjectiveVectorTraits::nObj;
moeoObjectiveVectorTraits::nObj;
std::vector < bool > moeoObjectiveVectorTraits::bObj; std::vector < bool > moeoObjectiveVectorTraits::bObj;

View file

@ -16,10 +16,9 @@
#include <eoReplacement.h> #include <eoReplacement.h>
/** /**
* Replacement strategy for multi-objective optimization * Replacement strategy for multi-objective optimization.
*/ */
template < class MOEOT > class moeoReplacement:public eoReplacement < MOEOT > template < class MOEOT >
{ class moeoReplacement : public eoReplacement < MOEOT > {};
};
#endif /*MOEOREPLACEMENT_H_*/ #endif /*MOEOREPLACEMENT_H_*/

View file

@ -16,8 +16,9 @@
#include <eoSelectOne.h> #include <eoSelectOne.h>
/** /**
* Selection strategy for multi-objective optimization that selects only one element from a whole population * Selection strategy for multi-objective optimization that selects only one element from a whole population.
*/ */
template < class MOEOT > class moeoSelectOne : public eoSelectOne < MOEOT > {}; template < class MOEOT >
class moeoSelectOne : public eoSelectOne < MOEOT > {};
#endif /*MOEOSELECTONE_H_*/ #endif /*MOEOSELECTONE_H_*/