Modifications 22/02/2007

git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@183 331e1502-861f-0410-8da2-ba01fb791d7f
This commit is contained in:
legrand 2007-02-22 15:38:01 +00:00
commit 8312d91a84
19 changed files with 930 additions and 805 deletions

View file

@ -31,8 +31,9 @@
* operator '<' et '>' ??? * operator '<' et '>' ???
* !!!!!!!!!!!!!!!!!!!!!!! * !!!!!!!!!!!!!!!!!!!!!!!
*/ */
template < class MOEOObjectiveVector, class MOEOFitness, class MOEODiversity > template < class MOEOObjectiveVector, class MOEOFitness, class MOEODiversity > class MOEO:public EO <
class MOEO : public EO < MOEOFitness > MOEOFitness
>
{ {
public: public:
@ -49,31 +50,33 @@ public:
/** /**
* Ctor * Ctor
*/ */
MOEO() MOEO ()
{ {
// default values for every parameters // default values for every parameters
objectiveVectorValue = ObjectiveVector(); objectiveVectorValue = ObjectiveVector ();
fitnessValue = Fitness(); fitnessValue = Fitness ();
diversityValue = Diversity(); diversityValue = Diversity ();
// invalidate all // invalidate all
invalidate(); invalidate ();
} }
/** /**
* Virtual dtor * Virtual dtor
*/ */
virtual ~MOEO() {}; virtual ~ MOEO ()
{
};
/** /**
* Returns the objective vector of the current solution * Returns the objective vector of the current solution
*/ */
ObjectiveVector objectiveVector() const ObjectiveVector objectiveVector () const
{ {
if ( invalidObjectiveVector() ) if (invalidObjectiveVector ())
{ {
throw std::runtime_error("invalid objective vector"); throw std::runtime_error ("invalid objective vector");
} }
return objectiveVectorValue; return objectiveVectorValue;
} }
@ -83,7 +86,7 @@ public:
* Sets the objective vector of the current solution * Sets the objective vector of the current solution
* @param _objectiveVectorValue the new objective vector * @param _objectiveVectorValue the new objective vector
*/ */
void objectiveVector(const ObjectiveVector & _objectiveVectorValue) void objectiveVector (const ObjectiveVector & _objectiveVectorValue)
{ {
objectiveVectorValue = _objectiveVectorValue; objectiveVectorValue = _objectiveVectorValue;
invalidObjectiveVectorValue = false; invalidObjectiveVectorValue = false;
@ -93,7 +96,7 @@ public:
/** /**
* Sets the objective vector as invalid * Sets the objective vector as invalid
*/ */
void invalidateObjectiveVector() void invalidateObjectiveVector ()
{ {
invalidObjectiveVectorValue = true; invalidObjectiveVectorValue = true;
} }
@ -102,7 +105,7 @@ public:
/** /**
* Returns true if the objective vector is invalid, false otherwise * Returns true if the objective vector is invalid, false otherwise
*/ */
bool invalidObjectiveVector() const bool invalidObjectiveVector () const
{ {
return invalidObjectiveVectorValue; return invalidObjectiveVectorValue;
} }
@ -111,11 +114,11 @@ public:
/** /**
* Returns the fitness value of the current solution * Returns the fitness value of the current solution
*/ */
Fitness fitness() const Fitness fitness () const
{ {
if ( invalidFitness() ) if (invalidFitness ())
{ {
throw std::runtime_error("invalid fitness"); throw std::runtime_error ("invalid fitness");
} }
return fitnessValue; return fitnessValue;
} }
@ -125,7 +128,7 @@ public:
* Sets the fitness value of the current solution * Sets the fitness value of the current solution
* @param _fitnessValue the new fitness value * @param _fitnessValue the new fitness value
*/ */
void fitness(const Fitness & _fitnessValue) void fitness (const Fitness & _fitnessValue)
{ {
fitnessValue = _fitnessValue; fitnessValue = _fitnessValue;
invalidFitnessValue = false; invalidFitnessValue = false;
@ -135,7 +138,7 @@ public:
/** /**
* Sets the fitness value as invalid * Sets the fitness value as invalid
*/ */
void invalidateFitness() void invalidateFitness ()
{ {
invalidFitnessValue = true; invalidFitnessValue = true;
} }
@ -144,7 +147,7 @@ public:
/** /**
* Returns true if the fitness value is invalid, false otherwise * Returns true if the fitness value is invalid, false otherwise
*/ */
bool invalidFitness() const bool invalidFitness () const
{ {
return invalidFitnessValue; return invalidFitnessValue;
} }
@ -153,11 +156,11 @@ public:
/** /**
* Returns the diversity value of the current solution * Returns the diversity value of the current solution
*/ */
Diversity diversity() const Diversity diversity () const
{ {
if ( invalidDiversity() ) if (invalidDiversity ())
{ {
throw std::runtime_error("invalid diversity"); throw std::runtime_error ("invalid diversity");
} }
return diversityValue; return diversityValue;
} }
@ -167,7 +170,7 @@ public:
* Sets the diversity value of the current solution * Sets the diversity value of the current solution
* @param _diversityValue the new diversity value * @param _diversityValue the new diversity value
*/ */
void diversity(const Diversity & _diversityValue) void diversity (const Diversity & _diversityValue)
{ {
diversityValue = _diversityValue; diversityValue = _diversityValue;
invalidDiversityValue = false; invalidDiversityValue = false;
@ -177,7 +180,7 @@ public:
/** /**
* Sets the diversity value as invalid * Sets the diversity value as invalid
*/ */
void invalidateDiversity() void invalidateDiversity ()
{ {
invalidDiversityValue = true; invalidDiversityValue = true;
} }
@ -186,7 +189,7 @@ public:
/** /**
* Returns true if the diversity value is invalid, false otherwise * Returns true if the diversity value is invalid, false otherwise
*/ */
bool invalidDiversity() const bool invalidDiversity () const
{ {
return invalidDiversityValue; return invalidDiversityValue;
} }
@ -195,27 +198,27 @@ public:
/** /**
* Sets the objective vector, the fitness value and the diversity value as invalid * Sets the objective vector, the fitness value and the diversity value as invalid
*/ */
void invalidate() void invalidate ()
{ {
invalidateObjectiveVector(); invalidateObjectiveVector ();
invalidateFitness(); invalidateFitness ();
invalidateDiversity(); invalidateDiversity ();
} }
/** /**
* Returns true if the fitness value is invalid, false otherwise * Returns true if the fitness value is invalid, false otherwise
*/ */
bool invalid() const bool invalid () const
{ {
return invalidObjectiveVector(); return invalidObjectiveVector ();
} }
/** /**
* Return the class id (the class name as a std::string) * Return the class id (the class name as a std::string)
*/ */
virtual std::string className() const virtual std::string className () const
{ {
return "MOEO"; return "MOEO";
} }
@ -225,9 +228,9 @@ public:
* Writing object * Writing object
* @param _os output stream * @param _os output stream
*/ */
virtual void printOn(std::ostream & _os) const virtual void printOn (std::ostream & _os) const
{ {
if ( invalidObjectiveVector() ) if (invalidObjectiveVector ())
{ {
_os << "INVALID\t"; _os << "INVALID\t";
} }
@ -242,19 +245,19 @@ public:
* Reading object * Reading object
* @param _is input stream * @param _is input stream
*/ */
virtual void readFrom(std::istream & _is) virtual void readFrom (std::istream & _is)
{ {
std::string objectiveVector_str; std::string objectiveVector_str;
int pos = _is.tellg(); int pos = _is.tellg ();
_is >> objectiveVector_str; _is >> objectiveVector_str;
if (objectiveVector_str == "INVALID") if (objectiveVector_str == "INVALID")
{ {
invalidateObjectiveVector(); invalidateObjectiveVector ();
} }
else else
{ {
invalidObjectiveVectorValue = false; invalidObjectiveVectorValue = false;
_is.seekg(pos); // rewind _is.seekg (pos); // rewind
_is >> objectiveVectorValue; _is >> objectiveVectorValue;
} }
} }
@ -277,4 +280,4 @@ private:
}; };
#endif /*MOEO_H_*/ #endif /*MOEO_H_ */

View file

@ -14,20 +14,18 @@
#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 > template < class MOEOT > class moeoArchive:public eoPop < MOEOT >
class moeoArchive : public eoPop < MOEOT >
{ {
public: public:
using std::vector < MOEOT > :: size; using std::vector < MOEOT >::size;
using std::vector < MOEOT > :: operator[]; using std::vector < MOEOT >::operator[];
using std::vector < MOEOT > :: back; using std::vector < MOEOT >::back;
using std::vector < MOEOT > :: pop_back; using std::vector < MOEOT >::pop_back;
/** /**
@ -40,16 +38,20 @@ public:
* Default ctor. * Default ctor.
* 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 >(), comparator(_comparator) moeoArchive (moeoObjectiveVectorComparator < ObjectiveVector > &_comparator):eoPop < MOEOT > (),
{} comparator
(_comparator)
{
}
/** /**
@ -58,9 +60,9 @@ public:
*/ */
bool dominates (const ObjectiveVector & _objectiveVector) const bool dominates (const ObjectiveVector & _objectiveVector) const
{ {
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) == 1)
{ {
return true; return true;
} }
@ -75,9 +77,9 @@ public:
*/ */
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)
{ {
return true; return true;
} }
@ -93,18 +95,21 @@ public:
void update (const MOEOT & _moeo) void update (const MOEOT & _moeo)
{ {
// 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 dominates the jth solution contanied in the archive // if _moeo.fitness() dominates operator[](j).fitness()
if ( comparator(_moeo.objectiveVector(), operator[](j).objectiveVector())==1 ) //if ( comparator(_moeo.fitness(), operator[](j).fitness())==1 )
if (comparator
(_moeo.objectiveVector (), operator[](j).objectiveVector ()) == 1)
{ {
operator[](j) = back(); operator[](j) = back ();
pop_back(); pop_back ();
} }
else if (_moeo.objectiveVector() == operator[](j).objectiveVector()) //else if (_moeo.fitness() == operator[](j).fitness())
else if (_moeo.objectiveVector () == operator[](j).objectiveVector ())
{ {
operator[](j) = back(); operator[](j) = back ();
pop_back(); pop_back ();
} }
else else
{ {
@ -113,10 +118,12 @@ public:
} }
// second step: is _moeo dominated? // second step: is _moeo dominated?
bool dom = false; bool dom = false;
for (unsigned j=0; j<size(); j++) for (unsigned j = 0; j < size (); j++)
{ {
// if the jth solution contanied in the archive dominates _moeo // if operator[](j).fitness() dominates _moeo.fitness()
if ( comparator(operator[](j).objectiveVector(), _moeo.objectiveVector()) == 1 ) //if ( comparator(operator[](j).fitness(), _moeo.fitness())==1 )
if (comparator
(operator[](j).objectiveVector (), _moeo.objectiveVector ()) == 1)
{ {
dom = true; dom = true;
break; break;
@ -124,7 +131,7 @@ public:
} }
if (!dom) if (!dom)
{ {
push_back(_moeo); push_back (_moeo);
} }
} }
@ -133,11 +140,11 @@ public:
* Updates the archive with a given population _pop * Updates the archive with a given population _pop
* @param _pop the given population * @param _pop the given population
*/ */
void update (const eoPop < MOEOT > & _pop) void update (const eoPop < MOEOT > &_pop)
{ {
for (unsigned i=0; i<_pop.size(); i++) for (unsigned i = 0; i < _pop.size (); i++)
{ {
update(_pop[i]); update (_pop[i]);
} }
} }
@ -145,7 +152,7 @@ public:
private: private:
/** The moeoObjectiveVectorComparator used to compare solutions */ /** The moeoObjectiveVectorComparator used to compare solutions */
moeoObjectiveVectorComparator < ObjectiveVector > & comparator; moeoObjectiveVectorComparator < ObjectiveVector > &comparator;
/** A moeoObjectiveVectorComparator based on Pareto dominance (used as default) */ /** A moeoObjectiveVectorComparator based on Pareto dominance (used as default) */
moeoParetoObjectiveVectorComparator < ObjectiveVector > paretoComparator; moeoParetoObjectiveVectorComparator < ObjectiveVector > paretoComparator;

View file

@ -24,8 +24,7 @@
/** /**
* 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> template < class EOT > class moeoArchiveFitnessSavingUpdater:public eoUpdater
class moeoArchiveFitnessSavingUpdater : public eoUpdater
{ {
public: public:
@ -35,21 +34,25 @@ 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), counter(0) moeoArchiveFitnessSavingUpdater (moeoArchive < EOT > &_arch, const std::string & _filename = "Res/Arch", int _id = -1):arch (_arch), filename (_filename), id (_id),
{} 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++);
else else
sprintf (buff, "%s.%u.%u", filename.c_str(), id, counter ++); sprintf (buff, "%s.%u.%u", filename.c_str (), id, counter++);
std::ofstream f(buff); std::ofstream f (buff);
for (unsigned i = 0; i < arch.size (); i++) for (unsigned i = 0; i < arch.size (); i++)
f << arch[i].objectiveVector() << std::endl; f << arch[i].objectiveVector () << std::endl;
f.close (); f.close ();
} }
@ -57,7 +60,7 @@ public:
private: private:
/** local archive */ /** local archive */
moeoArchive<EOT> & arch; moeoArchive < EOT > &arch;
/** target filename */ /** target filename */
std::string filename; std::string filename;
/** own ID */ /** own ID */
@ -67,4 +70,4 @@ private:
}; };
#endif /*MOEOARCHIVEFITNESSSAVINGUPDATER_H_*/ #endif /*MOEOARCHIVEFITNESSSAVINGUPDATER_H_ */

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@ -18,10 +18,9 @@
#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 > template < class EOT > class moeoArchiveUpdater:public eoUpdater
class moeoArchiveUpdater : public eoUpdater
{ {
public: public:
@ -30,25 +29,28 @@ 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, const eoPop<EOT> & _pop) : arch(_arch), pop(_pop) moeoArchiveUpdater (moeoArchive < EOT > &_arch,
{} 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);
} }
private: private:
/** the archive of non-dominated solutions */ /** the archive of non-dominated solutions */
moeoArchive<EOT> & arch; moeoArchive < EOT > &arch;
/** the main population */ /** the main population */
const eoPop<EOT> & pop; const eoPop < EOT > &pop;
}; };
#endif /*MOEOARCHIVEUPDATER_H_*/ #endif /*MOEOARCHIVEUPDATER_H_ */

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@ -19,53 +19,53 @@
/** /**
* 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 > template < class MOEOT > class moeoCombinedLS:public moeoLS < 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_mols the first multi-objective local search to add * @param _first_ls the first multi-objective local search to add
*/ */
moeoCombinedLS(moeoEvalFunc < MOEOT > & _eval, moeoLS < MOEOT > & _first_mols) : eval (_eval) moeoCombinedLS (moeoEvalFunc < MOEOT > &_eval, moeoLS < MOEOT > &_first_ls):eval
(_eval)
{ {
combinedLS.push_back (& _first_mols); combinedLS.push_back (&_first_ls);
} }
/** /**
* Adds a new local search to combine * Adds a new local search to combine
* @param _mols the multi-objective local search to add * @param _ls the multi-objective local search to add
*/ */
void add(moeoLS < MOEOT > & _mols) void add (moeoLS < MOEOT > &_ls)
{ {
combinedMOLS.push_back(& _mols); combinedMOLS.push_back (&_ls);
} }
/** /**
* 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 _moeo the solution * @param _eo the solution
* @param _arch the archive of non-dominated solutions * @param _arch the archive of non-dominated solutions
*/ */
void operator () (const MOEOT & _moeo, moeoArchive < MOEOT > & _arch) void operator () (const MOEOT & _eo, moeoArchive < MOEOT > &_arch)
{ {
eval(const_cast < MOEOT & > (_moeo)); eval (const_cast < MOEOT & >(_eo));
for (unsigned i=0; i<combinedLS.size(); i++) for (unsigned i = 0; i < combinedLS.size (); i++)
combinedLS[i] -> operator()(_moeo, _arch); combinedLS[i]->operator ()(_eo, _arch);
} }
private: private:
/** the full evaluator of a solution */ /** the full evaluator of a solution */
moeoEvalFunc < MOEOT > & eval; moeoEvalFunc < MOEOT > &eval;
/** the vector that contains the combined LS */ /** the vector that contains the combined LS */
std::vector< moeoLS < MOEOT > * > combinedLS; std::vector < moeoLS < MOEOT > *>combinedLS;
}; };
#endif /*MOEOCOMBINEDLS_H_*/ #endif /*MOEOCOMBINEDLS_H_ */

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@ -14,20 +14,24 @@
#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 > template < class MOEOT > class moeoComparator:public eoBF < const MOEOT &, const MOEOT &,
class moeoComparator : public eoBF < const MOEOT &, const MOEOT &, const bool > 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 > template < class MOEOT > class moeoObjectiveComparator:public moeoComparator <
class moeoObjectiveComparator : public moeoComparator < MOEOT > MOEOT >
{ {
public: public:
/** /**
@ -35,56 +39,56 @@ public:
* @param _moeo1 the first solution * @param _moeo1 the first solution
* @param _moeo2 the second solution * @param _moeo2 the second solution
*/ */
const bool operator()(const MOEOT & _moeo1, const MOEOT & _moeo2) const bool operator () (const MOEOT & _moeo1, const MOEOT & _moeo2)
{ {
return _moeo1.objectiveVector() < _moeo2.objectiveVector(); return _moeo1.objectiveVector () < _moeo2.objectiveVector ();
} }
}; };
/** /**
* Functor allowing to compare two solutions according to their fitness values. * Functor allowing to compare two solutions according to their fitness values
*/ */
template < class MOEOT > //template < class MOEOT >
class moeoFitnessComparator : public moeoComparator < MOEOT > //class moeoFitnessComparator : public moeoComparator < MOEOT >
{ //{
public: //public:
/** // /**
* Returns true if the fitness value of _moeo1 is smaller than the fitness value of _moeo2 // * Returns true if the fitness value of _moeo1 is smaller than the fitness value of _moeo2
* @param _moeo1 the first solution // * @param _moeo1 the first solution
* @param _moeo2 the second solution // * @param _moeo2 the second solution
*/ // */
const bool operator()(const MOEOT & _moeo1, const MOEOT & _moeo2) // const bool operator()(const MOEOT & _moeo1, const MOEOT & _moeo2)
{ // {
return _moeo1.fitness() < _moeo2.fitness(); // 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 diversity 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 moeoFitnessThenDiversityComparator:public moeoComparator <
class moeoDiversityComparator : public moeoComparator < MOEOT > 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:
/** /**
@ -92,25 +96,25 @@ public:
* @param _moeo1 the first solution * @param _moeo1 the first solution
* @param _moeo2 the second solution * @param _moeo2 the second solution
*/ */
const bool operator()(const MOEOT & _moeo1, const MOEOT & _moeo2) const bool operator () (const MOEOT & _moeo1, const MOEOT & _moeo2)
{ {
if (_moeo1.fitness() == _moeo2.fitness()) if (_moeo1.fitness () == _moeo2.fitness ())
{ {
return _moeo1.diversity() < _moeo2.diversity(); return _moeo1.diversity () < _moeo2.diversity ();
} }
else else
{ {
return _moeo1.fitness() < _moeo2.fitness(); return _moeo1.fitness () < _moeo2.fitness ();
} }
} }
}; };
/** /**
* 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 > template < class MOEOT > class moeoDiversityThenFitnessComparator:public moeoComparator <
class moeoDiversityThenFitnessComparator : public moeoComparator < MOEOT > MOEOT >
{ {
public: public:
/** /**
@ -118,22 +122,22 @@ public:
* @param _moeo1 the first solution * @param _moeo1 the first solution
* @param _moeo2 the second solution * @param _moeo2 the second solution
*/ */
const bool operator()(const MOEOT & _moeo1, const MOEOT & _moeo2) const bool operator () (const MOEOT & _moeo1, const MOEOT & _moeo2)
{ {
if (_moeo1.diversity() == _moeo2.diversity()) if (_moeo1.diversity () == _moeo2.diversity ())
{ {
return _moeo1.fitness() < _moeo2.fitness(); return _moeo1.fitness () < _moeo2.fitness ();
} }
else else
{ {
return _moeo1.diversity() < _moeo2.diversity(); return _moeo1.diversity () < _moeo2.diversity ();
} }
} }
}; };
/** /**
* Functor allowing to compare two solutions according to Pareto dominance relation. => USEFULL ??? * Functor allowing to compare two solutions according to Pareto dominance relation => USEFULL ???
* *
template < class MOEOT > template < class MOEOT >
class moeoParetoDominanceComparator : public moeoComparator < MOEOT > class moeoParetoDominanceComparator : public moeoComparator < MOEOT >
@ -178,4 +182,4 @@ public:
}; };
*/ */
#endif /*MOEOCOMPARATOR_H_*/ #endif /*MOEOCOMPARATOR_H_ */

View file

@ -17,10 +17,32 @@
#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 > template < class MOEOT > class moeoDiversityAssignment:public eoUF < eoPop < MOEOT > &,
class moeoDiversityAssignment : public eoUF < eoPop < MOEOT > &, void > void >
{}; {
};
#endif /*MOEODIVERSITYASSIGNMENT_H_*/
/**
* moeoDummyDiversityAssignment is a moeoDiversityAssignment which gives 0 as the diversity for the whole population.
*/
template < class MOEOT > class moeoDummyDiversityAssignment:public moeoDiversityAssignment <
MOEOT >
{
// main operator
void operator () (eoPop < MOEOT > &_pop)
{
for (int idx = 0; idx < _pop.size (); idx++)
{
// set the diversity to 0
_pop[idx].diversity (0);
}
}
};
#endif /*MOEODIVERSITYASSIGNMENT_H_ */

View file

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

View file

@ -18,7 +18,8 @@
/* /*
* 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 > template < class MOEOT > class moeoEvalFunc:public eoEvalFunc < MOEOT >
class moeoEvalFunc : public eoEvalFunc< MOEOT > {}; {
};
#endif /*MOEOEVALFUNC_H_*/ #endif /*MOEOEVALFUNC_H_ */

View file

@ -14,55 +14,60 @@
#define MOEOFASTNONDOMINATEDSORTINGFITNESSASSIGNMENT_H_ #define MOEOFASTNONDOMINATEDSORTINGFITNESSASSIGNMENT_H_
#include <eoPop.h> #include <eoPop.h>
#include <moeoComparator.h>
#include <moeoFitnessAssignment.h> #include <moeoFitnessAssignment.h>
#include <moeoComparator.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 > template < class MOEOT > class moeoFastNonDominatedSortingFitnessAssignment:public moeoParetoBasedFitnessAssignment <
class moeoFastNonDominatedSortingFitnessAssignment : public moeoParetoBasedFitnessAssignment < MOEOT > MOEOT
>
{ {
public: public:
/** /**
* Ctor * Ctor
*/ */
moeoFastNonDominatedSortingFitnessAssignment() {} moeoFastNonDominatedSortingFitnessAssignment ()
{
}
/** /**
* Computes fitness values for every solution contained in the population _pop * Computes fitness values for every solution contained in the population _pop
* @param _pop the population * @param _pop the population
*/ */
void operator()(eoPop < MOEOT > & _pop) void operator () (eoPop < MOEOT > &_pop)
{ {
// number of objectives for the problem under consideration // number of objectives for the problem under consideration
unsigned nObjectives = MOEOT::ObjectiveVector::nObjectives(); unsigned nObjectives = MOEOT::ObjectiveVector::nObjectives ();
if (nObjectives == 1) if (nObjectives == 1)
{ {
// one objective // one objective
oneObjective(_pop); oneObjective (_pop);
} }
else if (nObjectives == 2) else if (nObjectives == 2)
{ {
// two objectives (the two objectives function is still to implement) // two objectives (the two objectives function is still to do)
mObjectives(_pop); mObjectives (_pop);
} }
else if (nObjectives > 2) else if (nObjectives > 2)
{ {
// more than two objectives // more than two objectives
mObjectives(_pop); mObjectives (_pop);
} }
else else
{ {
// problem with the number of objectives // problem with the number of objectives
throw std::runtime_error("Problem with the number of objectives in moeoFastNonDominatedSortingFitnessAssignment"); throw std::
runtime_error
("Problem with the number of objectives in moeoFastNonDominatedSortingFitnessAssignment");
} }
} }
@ -81,12 +86,12 @@ private:
* Sets the fitness values for mono-objective problems * Sets the fitness values for mono-objective problems
* @param _pop the population * @param _pop the population
*/ */
void oneObjective (eoPop < MOEOT > & _pop) void oneObjective (eoPop < MOEOT > &_pop)
{ {
std::sort(_pop.begin(), _pop.end(), objComparator); std::sort (_pop.begin (), _pop.end (), objComparator);
for (unsigned i=0; i<_pop.size(); i++) for (unsigned i = 0; i < _pop.size (); i++)
{ {
_pop[i].fitness(i+1); _pop[i].fitness (i + 1);
} }
} }
@ -95,7 +100,7 @@ private:
* Sets the fitness values for bi-objective problems with a complexity of O(n log n), where n stands for the population size * Sets the fitness values for bi-objective problems with a complexity of O(n log n), where n stands for the population size
* @param _pop the population * @param _pop the population
*/ */
void twoObjectives (eoPop < MOEOT > & _pop) void twoObjectives (eoPop < MOEOT > &_pop)
{ {
//... TO DO ! //... TO DO !
} }
@ -105,29 +110,31 @@ private:
* Sets the fitness values for problems with more than two objectives with a complexity of O(n² log n), where n stands for the population size * Sets the fitness values for problems with more than two objectives with a complexity of O(n² log n), where n stands for the population size
* @param _pop the population * @param _pop the population
*/ */
void mObjectives (eoPop < MOEOT > & _pop) void mObjectives (eoPop < MOEOT > &_pop)
{ {
// S[i] = indexes of the individuals dominated by _pop[i] // S[i] = indexes of the individuals dominated by _pop[i]
std::vector < std::vector<unsigned> > S(_pop.size()); std::vector < std::vector < unsigned >>S (_pop.size ());
// n[i] = number of individuals that dominate the individual _pop[i] // n[i] = number of individuals that dominate the individual _pop[i]
std::vector < unsigned > n(_pop.size(), 0); std::vector < unsigned >n (_pop.size (), 0);
// fronts: F[i] = indexes of the individuals contained in the ith front // fronts: F[i] = indexes of the individuals contained in the ith front
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 // flag to comparae solutions
int comparatorFlag; 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 // comparison of the 2 solutions according to Pareto dominance
comparatorFlag = comparator(_pop[p].objectiveVector(), _pop[q].objectiveVector()); comparatorFlag =
comparator (_pop[p].objectiveVector (),
_pop[q].objectiveVector ());
// if p dominates q // if p dominates q
if (comparatorFlag == 1) if (comparatorFlag == 1)
{ {
// 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 (comparatorFlag == -1)
@ -140,21 +147,21 @@ private:
if (n[p] == 0) if (n[p] == 0)
{ {
// p belongs to the first front // p belongs to the first front
_pop[p].fitness(1); _pop[p].fitness (1);
F[1].push_back(p); F[1].push_back (p);
} }
} }
// front counter // front counter
unsigned counter=1; unsigned counter = 1;
unsigned p,q; unsigned p, q;
while (! F[counter].empty()) while (!F[counter].empty ())
{ {
// used to store the number of the next front // used to store the number of the next front
F[counter+1].reserve(_pop.size()); F[counter + 1].reserve (_pop.size ());
for (unsigned i=0; i<F[counter].size(); i++) for (unsigned i = 0; i < F[counter].size (); i++)
{ {
p = F[counter][i]; p = F[counter][i];
for (unsigned j=0; j<S[p].size(); j++) for (unsigned j = 0; j < S[p].size (); j++)
{ {
q = S[p][j]; q = S[p][j];
n[q]--; n[q]--;
@ -162,8 +169,8 @@ private:
if (n[q] == 0) if (n[q] == 0)
{ {
// q belongs to the next front // q belongs to the next front
_pop[q].fitness(counter+1); _pop[q].fitness (counter + 1);
F[counter+1].push_back(q); F[counter + 1].push_back (q);
} }
} }
} }
@ -173,4 +180,4 @@ private:
}; };
#endif /*MOEOFASTNONDOMINATEDSORTINGFITNESSASSIGNMENT_H_*/ #endif /*MOEOFASTNONDOMINATEDSORTINGFITNESSASSIGNMENT_H_ */

View file

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

View file

@ -17,9 +17,12 @@
#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 > template < class MOEOT > class moeoGenerationalReplacement:public moeoReplacement < MOEOT >,
class moeoGenerationalReplacement : public moeoReplacement < MOEOT >, public eoGenerationalReplacement < MOEOT > {}; public eoGenerationalReplacement <
MOEOT >
{
};
#endif /*MOEOGENERATIONALREPLACEMENT_H_*/ #endif /*MOEOGENERATIONALREPLACEMENT_H_ */

View file

@ -24,8 +24,7 @@
* 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 > template < class MOEOT > class moeoHybridLS:public eoUpdater
class moeoHybridLS : public eoUpdater
{ {
public: public:
@ -33,26 +32,29 @@ public:
* Ctor * Ctor
* @param _term stopping criteria * @param _term stopping criteria
* @param _select selector * @param _select selector
* @param _mols a multi-objective local search * @param _ls a multi-objective local search
* @param _arch the archive * @param _arch the archive
*/ */
eoHybridLS (eoContinue < MOEOT > & _term, eoSelect < MOEOT > & _select, moeoLS < MOEOT > & _mols, moeoArchive < MOEOT > & _arch) : term(_term), select(_select), mols(_mols), arch(_arch) eoHybridLS (eoContinue < MOEOT > &_term, eoSelect < MOEOT > &_select, moeoLS < MOEOT > &_ls, moeoArchive < MOEOT > &_arch):term (_term), select (_select), ls (_ls),
{} 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
*/ */
void operator () () void operator () ()
{ {
if (! cont (arch)) if (!cont (arch))
{ {
// selection of solutions // selection of solutions
eoPop < MOEOT > selectedSolutions; eoPop < MOEOT > selectedSolutions;
select(arch, selectedSolutions); select (arch, selectedSolutions);
// 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++)
{ {
mols(selectedSolutions[i], arch); ls (selectedSolutions[i], arch);
} }
} }
} }
@ -61,14 +63,14 @@ public:
private: private:
/** stopping criteria*/ /** stopping criteria*/
eoContinue < MOEOT > & term; eoContinue < MOEOT > &term;
/** selector */ /** selector */
eoSelect < MOEOT > & select; eoSelect < MOEOT > &select;
/** multi-objective local search */ /** multi-objective local search */
moeoLS < MOEOT > & mols; moeoLS < MOEOT > &ls;
/** archive */ /** archive */
moeoArchive < MOEOT > & arch; moeoArchive < MOEOT > &arch;
}; };
#endif /*MOEOHYBRIDLS_H_*/ #endif /*MOEOHYBRIDLS_H_ */

View file

@ -20,8 +20,9 @@
* 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 > template < class MOEOT > class moeoLS:public eoBF < const MOEOT &, moeoArchive < MOEOT > &,
class moeoLS: public eoBF < const MOEOT &, moeoArchive < MOEOT > &, void > void >
{}; {
};
#endif /*MOEOLS_H_*/ #endif /*MOEOLS_H_ */

View file

@ -24,8 +24,7 @@
* 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 > template < class ObjectiveVectorTraits > class moeoObjectiveVector
class moeoObjectiveVector
{ {
public: public:
@ -38,18 +37,19 @@ 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, std::vector < bool > & _bObjectives) static void setup (unsigned _nObjectives,
std::vector < bool > &_bObjectives)
{ {
ObjectiveVectorTraits::setup(_nObjectives, _bObjectives); ObjectiveVectorTraits::setup (_nObjectives, _bObjectives);
} }
/** /**
* Returns the number of objectives * Returns the number of objectives
*/ */
static unsigned nObjectives() static unsigned nObjectives ()
{ {
return ObjectiveVectorTraits::nObjectives(); return ObjectiveVectorTraits::nObjectives ();
} }
@ -57,8 +57,9 @@ 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);
} }
@ -66,8 +67,9 @@ 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);
} }
}; };
@ -77,25 +79,34 @@ 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 > template < class ObjectiveVectorTraits > class moeoObjectiveVectorDouble:public moeoObjectiveVector < ObjectiveVectorTraits >,
class moeoObjectiveVectorDouble : public moeoObjectiveVector < ObjectiveVectorTraits >, public std::vector < double > public std::vector <
double >
{ {
public: public:
using std::vector< double >::size; using
using std::vector< double >::operator[]; std::vector < double >::size;
using
std::vector < double >::operator[];
/** /**
* Ctor * Ctor
*/ */
moeoObjectiveVectorDouble() : std::vector < double > (ObjectiveVectorTraits::nObjectives(), 0.0) {} moeoObjectiveVectorDouble ():
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) : std::vector < double > (_v) {} moeoObjectiveVectorDouble (std::vector < double >&_v):
std::vector < double >(_v)
{
}
/** /**
@ -103,10 +114,16 @@ 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 dominates(const moeoObjectiveVectorDouble < ObjectiveVectorTraits > & _other) const bool
dominates (const moeoObjectiveVectorDouble < ObjectiveVectorTraits >
&_other) const
{ {
moeoParetoObjectiveVectorComparator < moeoObjectiveVectorDouble<ObjectiveVectorTraits> > comparator; moeoParetoObjectiveVectorComparator <
return comparator(*this, _other)==1; moeoObjectiveVectorDouble <
ObjectiveVectorTraits > >
comparator;
return
comparator (*this, _other) == 1;
} }
@ -114,16 +131,20 @@ 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 operator==(const moeoObjectiveVectorDouble < ObjectiveVectorTraits > & _other) const bool
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]) > ObjectiveVectorTraits::tolerance() ) if (fabs (operator[](i) - _other[i]) >
ObjectiveVectorTraits::tolerance ())
{ {
return false; return false;
} }
} }
return true; return
true;
} }
@ -131,9 +152,12 @@ 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 operator!=(const moeoObjectiveVectorDouble < ObjectiveVectorTraits > & _other) const bool
operator!= (const moeoObjectiveVectorDouble < ObjectiveVectorTraits >
&_other) const
{ {
return ! operator==(_other); return !
operator== (_other);
} }
@ -142,11 +166,14 @@ 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 operator<(const moeoObjectiveVectorDouble < ObjectiveVectorTraits > & _other) const bool
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]) > ObjectiveVectorTraits::tolerance() ) if (fabs (operator[](i) - _other[i]) >
ObjectiveVectorTraits::tolerance ())
{ {
if (operator[](i) < _other[i]) if (operator[](i) < _other[i])
{ {
@ -167,9 +194,13 @@ 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 operator>(const moeoObjectiveVectorDouble < ObjectiveVectorTraits > & _other) const bool
operator> (const moeoObjectiveVectorDouble < ObjectiveVectorTraits >
&_other) const
{ {
return _other < *this; return
_other < *
this;
} }
@ -178,9 +209,13 @@ 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 operator<=(const moeoObjectiveVectorDouble < ObjectiveVectorTraits > & _other) const bool
operator<= (const moeoObjectiveVectorDouble < ObjectiveVectorTraits >
&_other) const
{ {
return operator==(_other) || operator<(_other); return
operator== (_other) ||
operator< (_other);
} }
@ -189,9 +224,13 @@ 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 operator>=(const moeoObjectiveVectorDouble < ObjectiveVectorTraits > & _other) const bool
operator>= (const moeoObjectiveVectorDouble < ObjectiveVectorTraits >
&_other) const
{ {
return operator==(_other) || operator>(_other); return
operator== (_other) ||
operator> (_other);
} }
}; };
@ -203,9 +242,11 @@ 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, const moeoObjectiveVectorDouble < ObjectiveVectorTraits > & _objectiveVector) std::ostream & operator<< (std::ostream & _os,
const moeoObjectiveVectorDouble <
ObjectiveVectorTraits > &_objectiveVector)
{ {
for (unsigned i=0; i<_objectiveVector.size(); i++) for (unsigned i = 0; i < _objectiveVector.size (); i++)
{ {
_os << _objectiveVector[i] << ' '; _os << _objectiveVector[i] << ' ';
} }
@ -218,14 +259,16 @@ std::ostream & operator<<(std::ostream & _os, const moeoObjectiveVectorDouble <
* @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, moeoObjectiveVectorDouble < ObjectiveVectorTraits > & _objectiveVector) std::istream & operator>> (std::istream & _is,
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++)
{ {
_is >> _objectiveVector[i]; _is >> _objectiveVector[i];
} }
return _is; return _is;
} }
#endif /*MOEOOBJECTIVEVECTOR_H_*/ #endif /*MOEOOBJECTIVEVECTOR_H_ */

View file

@ -20,16 +20,18 @@
* 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 > template < class ObjectiveVector > class moeoObjectiveVectorComparator:public eoBF < const ObjectiveVector &, const ObjectiveVector &,
class moeoObjectiveVectorComparator : public eoBF < const ObjectiveVector &, const ObjectiveVector &, int > int >
{}; {
};
/** /**
* 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 > template < class ObjectiveVector > class moeoParetoObjectiveVectorComparator:public moeoObjectiveVectorComparator <
class moeoParetoObjectiveVectorComparator : public moeoObjectiveVectorComparator < ObjectiveVector > ObjectiveVector
>
{ {
public: public:
@ -38,17 +40,19 @@ public:
* @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, const ObjectiveVector & _objectiveVector2) int operator () (const ObjectiveVector & _objectiveVector1,
const ObjectiveVector & _objectiveVector2)
{ {
bool dom1 = false; bool dom1 = false;
bool dom2 = 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]) > ObjectiveVector::Traits::tolerance() ) if (fabs (_objectiveVector1[i] - _objectiveVector2[i]) >
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])
{ {
@ -60,7 +64,7 @@ public:
} }
} }
// if the ith objective have to be maximized... // if the ith objective have to be maximized...
else if (ObjectiveVector::maximizing(i)) else if (ObjectiveVector::maximizing (i))
{ {
if (_objectiveVector1[i] > _objectiveVector2[i]) if (_objectiveVector1[i] > _objectiveVector2[i])
{ {
@ -86,4 +90,4 @@ public:
}; };
#endif /*MOEOOBJECTIVEVECTORCOMPARATOR_H_*/ #endif /*MOEOOBJECTIVEVECTORCOMPARATOR_H_ */

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
{ {
@ -32,13 +32,16 @@ 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, std::vector < bool > & _bObjectives) static void setup (unsigned _nObjectives,
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::cout << "ARNING : Make sure all existing objects are destroyed\n"; std::
cout << "WARNING : Make sure all existing objects are destroyed\n";
std::cout << "WARNING\n"; std::cout << "WARNING\n";
} }
// number of objectives // number of objectives
@ -46,18 +49,22 @@ public:
// min/max vector // min/max vector
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::runtime_error("Number of objectives and min/max size don't match in moeoObjectiveVectorTraits::setup"); throw std::
runtime_error
("Number of objectives and min/max size don't match in moeoObjectiveVectorTraits::setup");
} }
/** /**
* Returns the number of objectives * Returns the number of objectives
*/ */
static unsigned nObjectives() static unsigned nObjectives ()
{ {
// 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::runtime_error("Number of objectives not assigned in moeoObjectiveVectorTraits"); throw std::
runtime_error
("Number of objectives not assigned in moeoObjectiveVectorTraits");
return nObj; return nObj;
} }
@ -65,14 +72,16 @@ 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)
{ {
// in case the min/max vector would not be assigned yet // in case the min/max vector would not be assigned yet
if (! bObj[_i]) if (!bObj[_i])
throw std::runtime_error("We don't know if the ith objective have to be minimized or maximized in moeoObjectiveVectorTraits"); 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");
return bObj[_i]; return bObj[_i];
} }
@ -80,14 +89,15 @@ 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));
} }
/** /**
* Returns the tolerance value (to compare solutions) * Returns the tolerance value (to compare solutions)
*/ */
static double tolerance() static double tolerance ()
{ {
return tol; return tol;
} }
@ -102,10 +112,11 @@ private:
}; };
#endif /*MOEOOBJECTIVEVECTORTRAITS_H_*/ #endif /*MOEOOBJECTIVEVECTORTRAITS_H_ */
// 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 moeoObjectiveVectorTraits::nObj; unsigned
moeoObjectiveVectorTraits::nObj;
std::vector < bool > moeoObjectiveVectorTraits::bObj; std::vector < bool > moeoObjectiveVectorTraits::bObj;

View file

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

View file

@ -16,9 +16,8 @@
#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 > template < class MOEOT > class moeoSelectOne : public eoSelectOne < MOEOT > {};
class moeoSelectOne : public eoSelectOne < MOEOT > {};
#endif /*MOEOSELECTONE_H_*/ #endif /*MOEOSELECTONE_H_ */