BIG update

git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@210 331e1502-861f-0410-8da2-ba01fb791d7f
This commit is contained in:
liefooga 2007-04-10 13:34:32 +00:00
commit 528a149107
27 changed files with 1891 additions and 344 deletions

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@ -13,14 +13,14 @@
#ifndef MOEOINDICATORBASEDFITNESSASSIGNMENT_H_
#define MOEOINDICATORBASEDFITNESSASSIGNMENT_H_
#include <math.h>
#include <eoPop.h>
#include <moeoConvertPopToObjectiveVectors.h>
#include <moeoFitnessAssignment.h>
#include <metric/moeoNormalizedSolutionVsSolutionBinaryMetric.h>
#include <metric/moeoVectorVsSolutionBinaryMetric.h>
/**
*
* Default is exponential
*/
template < class MOEOT >
class moeoIndicatorBasedFitnessAssignment : public moeoFitnessAssignment < MOEOT >
@ -30,47 +30,193 @@ public:
/** The type of objective vector */
typedef typename MOEOT::ObjectiveVector ObjectiveVector;
/**
* Default ctor
* @param ...
*/
moeoIndicatorBasedFitnessAssignment(moeoVectorVsSolutionBinaryMetric < ObjectiveVector, double > * _metric) : metric(_metric)
{}
/**
* Ctor
* @param ...
*/
moeoIndicatorBasedFitnessAssignment(moeoNormalizedSolutionVsSolutionBinaryMetric < ObjectiveVector, double > * _solutionVsSolutionMetric, const double _kappa)// : metric(moeoExponentialVectorVsSolutionBinaryMetric < ObjectiveVector > (_solutionVsSolutionMetric, _kappa))
{
metric = new moeoExponentialVectorVsSolutionBinaryMetric < ObjectiveVector > (_solutionVsSolutionMetric, _kappa);
}
*/
moeoIndicatorBasedFitnessAssignment(moeoNormalizedSolutionVsSolutionBinaryMetric < ObjectiveVector, double > * _metric, const double _kappa) : metric(_metric), kappa(_kappa)
{}
/**
*
*
*/
void operator()(eoPop < MOEOT > & _pop)
{
eoPop < MOEOT > tmp_pop;
moeoConvertPopToObjectiveVectors < MOEOT > convertor;
for (unsigned i=0; i<_pop.size() ; i++)
// 1 - setting of the bounds
setup(_pop);
// 2 - computing every indicator values
computeValues(_pop);
// 3 - setting fitnesses
setFitnesses(_pop);
}
/////////////////////////////////////////////////////////////////////
// A SIMPLIFIER ! => utiliser la fonction d'en dessous ;-)
void updateByDeleting(eoPop < MOEOT > & _pop, MOEOT & _moeo)
{
vector < double > v;
v.resize(_pop.size());
for (unsigned i=0; i<_pop.size(); i++)
{
tmp_pop.clear();
tmp_pop = _pop;
tmp_pop.erase(tmp_pop.begin() + i);
_pop[i].fitness((*metric) (convertor(tmp_pop), _pop[i].objectiveVector()));
v[i] = (*metric)(_moeo.objectiveVector(), _pop[i].objectiveVector());
}
for (unsigned i=0; i<_pop.size(); i++)
{
_pop[i].fitness( _pop[i].fitness() + exp(-v[i]/kappa) );
}
}
void updateByDeleting(eoPop < MOEOT > & _pop, ObjectiveVector & _objVec)
{
vector < double > v;
v.resize(_pop.size());
for (unsigned i=0; i<_pop.size(); i++)
{
v[i] = (*metric)(_objVec, _pop[i].objectiveVector());
}
for (unsigned i=0; i<_pop.size(); i++)
{
_pop[i].fitness( _pop[i].fitness() + exp(-v[i]/kappa) );
}
}
private:
moeoVectorVsSolutionBinaryMetric < ObjectiveVector, double > * metric;
// IDEM !
void updateByAdding(eoPop < MOEOT > & _pop, MOEOT & _moeo)
{
vector < double > v;
// update every fitness values to take the new individual into account
v.resize(_pop.size());
for (unsigned i=0; i<_pop.size(); i++)
{
v[i] = (*metric)(_moeo.objectiveVector(), _pop[i].objectiveVector());
}
for (unsigned i=0; i<_pop.size(); i++)
{
_pop[i].fitness( _pop[i].fitness() - exp(-v[i]/kappa) );
}
// compute the fitness of the new individual
v.clear();
v.resize(_pop.size());
for (unsigned i=0; i<_pop.size(); i++)
{
v[i] = (*metric)(_pop[i].objectiveVector(), _moeo.objectiveVector());
}
double fitness = 0;
for (unsigned i=0; i<v.size(); i++)
{
fitness -= exp(-v[i]/kappa);
}
_moeo.fitness(fitness);
}
// update _pop et retourne la valeur de fitness de _objVec
double updateByAdding(eoPop < MOEOT > & _pop, ObjectiveVector & _objVec)
{
vector < double > v;
// update every fitness values to take the new individual into account
v.resize(_pop.size());
for (unsigned i=0; i<_pop.size(); i++)
{
v[i] = (*metric)(_objVec, _pop[i].objectiveVector());
}
for (unsigned i=0; i<_pop.size(); i++)
{
_pop[i].fitness( _pop[i].fitness() - exp(-v[i]/kappa) );
}
// compute the fitness of the new individual
v.clear();
v.resize(_pop.size());
for (unsigned i=0; i<_pop.size(); i++)
{
v[i] = (*metric)(_pop[i].objectiveVector(), _objVec);
}
double result = 0;
for (unsigned i=0; i<v.size(); i++)
{
result -= exp(-v[i]/kappa);
}
return result;
}
/////////////////////////////////////////////////////////////////////
protected:
moeoNormalizedSolutionVsSolutionBinaryMetric < ObjectiveVector, double > * metric;
double kappa;
std::vector < std::vector<double> > values;
/**
* Sets the bounds for every objective using the min and the max value for every objective vector of _pop
* @param _pop the population
*/
void setup(const eoPop < MOEOT > & _pop)
{
double min, max;
for (unsigned i=0; i<ObjectiveVector::Traits::nObjectives(); i++)
{
min = _pop[0].objectiveVector()[i];
max = _pop[0].objectiveVector()[i];
for (unsigned j=1; j<_pop.size(); j++)
{
min = std::min(min, _pop[j].objectiveVector()[i]);
max = std::max(max, _pop[j].objectiveVector()[i]);
}
// setting of the bounds for the objective i
(*metric).setup(min, max, i);
}
}
/**
* Compute every indicator value : values[i] = I(_v[i], _o) !!!!!!!!!!!
* @param ...
*/
void computeValues(const eoPop < MOEOT > & _pop)
{
values.clear();
values.resize(_pop.size());
for (unsigned i=0; i<_pop.size(); i++)
{
values[i].resize(_pop.size());
for (unsigned j=0; j<_pop.size(); j++)
{
if (i != j)
{
values[i][j] = (*metric)(_pop[i].objectiveVector(), _pop[j].objectiveVector());
}
}
}
}
void setFitnesses(eoPop < MOEOT > & _pop)
{
for (unsigned i=0; i<_pop.size(); i++)
{
_pop[i].fitness(computeFitness(i));
}
}
double computeFitness(const unsigned _idx)
{
double result = 0;
for (unsigned i=0; i<values.size(); i++)
{
if (i != _idx)
{
result -= exp(-values[i][_idx]/kappa);
}
}
return result;
}
};
#endif /*MOEOINDICATORBASEDFITNESSASSIGNMENT_H_*/