add utils

git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@382 331e1502-861f-0410-8da2-ba01fb791d7f
This commit is contained in:
liefooga 2007-06-26 12:15:36 +00:00
commit fa1a7fd695
4 changed files with 282 additions and 0 deletions

View file

@ -0,0 +1,94 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
//-----------------------------------------------------------------------------
// moeoArchiveObjectiveVectorSavingUpdater.h
// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007
/*
This library...
Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
*/
//-----------------------------------------------------------------------------
#ifndef MOEOARCHIVEOBJECTIVEVECTORSAVINGUPDATER_H_
#define MOEOARCHIVEOBJECTIVEVECTORSAVINGUPDATER_H_
#include <fstream>
#include <string>
#include <eoPop.h>
#include <utils/eoUpdater.h>
#include <archive/moeoArchive.h>
#define MAX_BUFFER_SIZE 1000
/**
* This class allows to save the objective vectors of the solutions contained in an archive into a file at each generation.
*/
template < class MOEOT >
class moeoArchiveObjectiveVectorSavingUpdater : public eoUpdater
{
public:
/**
* Ctor
* @param _arch local archive
* @param _filename target filename
* @param _count put this variable to true if you want a new file to be created each time () is called and to false if you only want the file to be updated
* @param _id own ID
*/
moeoArchiveObjectiveVectorSavingUpdater (moeoArchive<MOEOT> & _arch, const std::string & _filename, bool _count = false, int _id = -1) :
arch(_arch), filename(_filename), count(_count), counter(0), id(_id)
{}
/**
* Saves the fitness of the archive's members into the file
*/
void operator()() {
char buff[MAX_BUFFER_SIZE];
if (count)
{
if (id == -1)
{
sprintf (buff, "%s.%u", filename.c_str(), counter ++);
}
else
{
sprintf (buff, "%s.%u.%u", filename.c_str(), id, counter ++);
}
}
else
{
if (id == -1)
{
sprintf (buff, "%s", filename.c_str());
}
else
{
sprintf (buff, "%s.%u", filename.c_str(), id);
}
counter ++;
}
std::ofstream f(buff);
for (unsigned int i = 0; i < arch.size (); i++)
f << arch[i].objectiveVector() << std::endl;
f.close ();
}
private:
/** local archive */
moeoArchive<MOEOT> & arch;
/** target filename */
std::string filename;
/** this variable is set to true if a new file have to be created each time () is called and to false if the file only HAVE to be updated */
bool count;
/** counter */
unsigned int counter;
/** own ID */
int id;
};
#endif /*MOEOARCHIVEOBJECTIVEVECTORSAVINGUPDATER_H_*/

View file

@ -0,0 +1,54 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
//-----------------------------------------------------------------------------
// moeoArchiveUpdater.h
// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007
/*
This library...
Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
*/
//-----------------------------------------------------------------------------
#ifndef MOEOARCHIVEUPDATER_H_
#define MOEOARCHIVEUPDATER_H_
#include <eoPop.h>
#include <utils/eoUpdater.h>
#include <archive/moeoArchive.h>
/**
* This class allows to update the archive at each generation with newly found non-dominated solutions.
*/
template < class MOEOT >
class moeoArchiveUpdater : public eoUpdater
{
public:
/**
* Ctor
* @param _arch an archive of non-dominated solutions
* @param _pop the main population
*/
moeoArchiveUpdater(moeoArchive < MOEOT > & _arch, const eoPop < MOEOT > & _pop) : arch(_arch), pop(_pop)
{}
/**
* Updates the archive with newly found non-dominated solutions contained in the main population
*/
void operator()() {
arch.update(pop);
}
private:
/** the archive of non-dominated solutions */
moeoArchive < MOEOT > & arch;
/** the main population */
const eoPop < MOEOT > & pop;
};
#endif /*MOEOARCHIVEUPDATER_H_*/

View file

@ -0,0 +1,90 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
//-----------------------------------------------------------------------------
// moeoBinaryMetricSavingUpdater.h
// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007
/*
This library...
Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
*/
//-----------------------------------------------------------------------------
#ifndef MOEOBINARYMETRICSAVINGUPDATER_H_
#define MOEOBINARYMETRICSAVINGUPDATER_H_
#include <fstream>
#include <string>
#include <vector>
#include <eoPop.h>
#include <utils/eoUpdater.h>
#include <metric/moeoMetric.h>
/**
* This class allows to save the progression of a binary metric comparing the objective vectors of the current population (or archive)
* with the objective vectors of the population (or archive) of the generation (n-1) into a file
*/
template < class MOEOT >
class moeoBinaryMetricSavingUpdater : public eoUpdater
{
public:
/** The objective vector type of a solution */
typedef typename MOEOT::ObjectiveVector ObjectiveVector;
/**
* Ctor
* @param _metric the binary metric comparing two Pareto sets
* @param _pop the main population
* @param _filename the target filename
*/
moeoBinaryMetricSavingUpdater (moeoVectorVsVectorBinaryMetric < ObjectiveVector, double > & _metric, const eoPop < MOEOT > & _pop, std::string _filename) :
metric(_metric), pop(_pop), filename(_filename), counter(1)
{}
/**
* Saves the metric's value for the current generation
*/
void operator()() {
if (pop.size()) {
if (firstGen) {
firstGen = false;
}
else {
// creation of the two Pareto sets
std::vector < ObjectiveVector > from;
std::vector < ObjectiveVector > to;
for (unsigned int i=0; i<pop.size(); i++)
from.push_back(pop[i].objectiveVector());
for (unsigned int i=0 ; i<oldPop.size(); i++)
to.push_back(oldPop[i].objectiveVector());
// writing the result into the file
std::ofstream f (filename.c_str(), std::ios::app);
f << counter++ << ' ' << metric(from,to) << std::endl;
f.close();
}
oldPop = pop;
}
}
private:
/** binary metric comparing two Pareto sets */
moeoVectorVsVectorBinaryMetric < ObjectiveVector, double > & metric;
/** main population */
const eoPop < MOEOT > & pop;
/** (n-1) population */
eoPop< MOEOT > oldPop;
/** target filename */
std::string filename;
/** is it the first generation ? */
bool firstGen;
/** counter */
unsigned int counter;
};
#endif /*MOEOBINARYMETRICSAVINGUPDATER_H_*/

View file

@ -0,0 +1,44 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
//-----------------------------------------------------------------------------
// moeoConvertPopToObjectiveVectors.h
// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007
/*
This library...
Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
*/
//-----------------------------------------------------------------------------
#ifndef MOEOPOPTOOBJECTIVEVECTORS_H_
#define MOEOPOPTOOBJECTIVEVECTORS_H_
#include <vector>
#include <eoFunctor.h>
/**
* Functor allowing to get a vector of objective vectors from a population
*/
template < class MOEOT, class ObjectiveVector = typename MOEOT::ObjectiveVector >
class moeoConvertPopToObjectiveVectors : public eoUF < const eoPop < MOEOT >, const std::vector < ObjectiveVector > >
{
public:
/**
* Returns a vector of the objective vectors from the population _pop
* @param _pop the population
*/
const std::vector < ObjectiveVector > operator()(const eoPop < MOEOT > _pop)
{
std::vector < ObjectiveVector > result;
result.resize(_pop.size());
for (unsigned int i=0; i<_pop.size(); i++)
{
result.push_back(_pop[i].objectiveVector());
}
return result;
}
};
#endif /*MOEOPOPTOOBJECTIVEVECTORS_H_*/