Ajout du Metropolis-Hasting LS, du samplinf MH fitness cloud

git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1792 331e1502-861f-0410-8da2-ba01fb791d7f
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verel 2010-05-06 17:03:38 +00:00
commit 71fa51d3b5
6 changed files with 222 additions and 2 deletions

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/*
<moMHFitnessCloudSampling.h>
Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
Sebastien Verel, Arnaud Liefooghe, Jeremie Humeau
This software is governed by the CeCILL license under French law and
abiding by the rules of distribution of free software. You can use,
modify and/ or redistribute the software under the terms of the CeCILL
license as circulated by CEA, CNRS and INRIA at the following URL
"http://www.cecill.info".
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*/
#ifndef moMHFitnessCloudSampling_h
#define moMHFitnessCloudSampling_h
#include <eoInit.h>
#include <neighborhood/moNeighborhood.h>
#include <eval/moEval.h>
#include <eoEvalFunc.h>
#include <algo/moMetropolisHasting.h>
#include <continuator/moFitnessStat.h>
#include <continuator/moNeighborFitnessStat.h>
#include <sampling/moSampling.h>
/**
* To compute an estimation of the fitness cloud,
* i.e. the scatter plot of solution fitness versus neighbor fitness:
* Here solution are sampled with Metropolis-Hasting method
*
* Sample the fitness of solutions from Metropolis-Hasting sampling
* and the fitness of one random neighbor
*
* The values are collected during the random search
*
*/
template <class Neighbor>
class moMHFitnessCloudSampling : public moSampling<Neighbor>
{
public:
typedef typename Neighbor::EOT EOT ;
using moSampling<Neighbor>::localSearch;
/**
* Default Constructor
* @param _init initialisation method of the solution
* @param _neighborhood neighborhood to get one random neighbor (supposed to be random neighborhood)
* @param _fullEval Fitness function, full evaluation function
* @param _eval neighbor evaluation, incremental evaluation function
* @param _nbStep Number of step of the MH sampling
*/
moMHFitnessCloudSampling(eoInit<EOT> & _init,
moNeighborhood<Neighbor> & _neighborhood,
eoEvalFunc<EOT>& _fullEval,
moEval<Neighbor>& _eval,
unsigned int _nbStep) :
moSampling<Neighbor>(_init, * new moMetropolisHasting<Neighbor>(_neighborhood, _fullEval, _eval, _nbStep), fitnessStat),
neighborFitnessStat(_neighborhood, _eval)
{
add(neighborFitnessStat);
}
/**
* default destructor
*/
~moMHFitnessCloudSampling() {
// delete the pointer on the local search which has been constructed in the constructor
delete &localSearch;
}
protected:
moFitnessStat<EOT> fitnessStat;
moNeighborFitnessStat< Neighbor > neighborFitnessStat;
};
#endif

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@ -62,6 +62,7 @@ public:
* @param _init initialisation method of the solution
* @param _localSearch local search to sample the search space
* @param _stat statistic to compute during the search
* @param _monitoring the statistic is saved into the monitor if true
*/
template <class ValueType>
moSampling(eoInit<EOT> & _init, moLocalSearch<Neighbor> & _localSearch, moStat<EOT,ValueType> & _stat, bool _monitoring = true) : init(_init), localSearch(_localSearch), continuator(_localSearch.getContinuator())
@ -85,6 +86,7 @@ public:
/**
* Add a statistic
* @param _stat another statistic to compute during the search
* @param _monitoring the statistic is saved into the monitor if true
*/
template< class ValueType >
void add(moStat<EOT, ValueType> & _stat, bool _monitoring = true) {