add utils
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// moeoArchiveObjectiveVectorSavingUpdater.h
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// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007
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/*
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This library...
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Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
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*/
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//-----------------------------------------------------------------------------
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#ifndef MOEOARCHIVEOBJECTIVEVECTORSAVINGUPDATER_H_
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#define MOEOARCHIVEOBJECTIVEVECTORSAVINGUPDATER_H_
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#include <fstream>
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#include <string>
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#include <eoPop.h>
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#include <utils/eoUpdater.h>
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#include <archive/moeoArchive.h>
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#define MAX_BUFFER_SIZE 1000
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/**
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* This class allows to save the objective vectors of the solutions contained in an archive into a file at each generation.
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*/
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template < class MOEOT >
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class moeoArchiveObjectiveVectorSavingUpdater : public eoUpdater
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{
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public:
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/**
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* Ctor
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* @param _arch local archive
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* @param _filename target filename
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* @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
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* @param _id own ID
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*/
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moeoArchiveObjectiveVectorSavingUpdater (moeoArchive<MOEOT> & _arch, const std::string & _filename, bool _count = false, int _id = -1) :
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arch(_arch), filename(_filename), count(_count), counter(0), id(_id)
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{}
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/**
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* Saves the fitness of the archive's members into the file
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*/
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void operator()() {
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char buff[MAX_BUFFER_SIZE];
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if (count)
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{
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if (id == -1)
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{
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sprintf (buff, "%s.%u", filename.c_str(), counter ++);
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}
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else
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{
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sprintf (buff, "%s.%u.%u", filename.c_str(), id, counter ++);
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}
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}
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else
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{
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if (id == -1)
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{
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sprintf (buff, "%s", filename.c_str());
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}
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else
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{
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sprintf (buff, "%s.%u", filename.c_str(), id);
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}
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counter ++;
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}
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std::ofstream f(buff);
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for (unsigned int i = 0; i < arch.size (); i++)
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f << arch[i].objectiveVector() << std::endl;
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f.close ();
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}
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private:
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/** local archive */
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moeoArchive<MOEOT> & arch;
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/** target filename */
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std::string filename;
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/** 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 */
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bool count;
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/** counter */
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unsigned int counter;
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/** own ID */
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int id;
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};
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#endif /*MOEOARCHIVEOBJECTIVEVECTORSAVINGUPDATER_H_*/
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54
branches/paradiseo-moeo-1.0/src/utils/moeoArchiveUpdater.h
Normal file
54
branches/paradiseo-moeo-1.0/src/utils/moeoArchiveUpdater.h
Normal file
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// moeoArchiveUpdater.h
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// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007
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/*
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This library...
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Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
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*/
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//-----------------------------------------------------------------------------
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#ifndef MOEOARCHIVEUPDATER_H_
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#define MOEOARCHIVEUPDATER_H_
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#include <eoPop.h>
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#include <utils/eoUpdater.h>
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#include <archive/moeoArchive.h>
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/**
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* This class allows to update the archive at each generation with newly found non-dominated solutions.
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*/
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template < class MOEOT >
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class moeoArchiveUpdater : public eoUpdater
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{
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public:
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/**
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* Ctor
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* @param _arch an archive of non-dominated solutions
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* @param _pop the main population
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*/
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moeoArchiveUpdater(moeoArchive < MOEOT > & _arch, const eoPop < MOEOT > & _pop) : arch(_arch), pop(_pop)
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{}
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/**
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* Updates the archive with newly found non-dominated solutions contained in the main population
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*/
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void operator()() {
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arch.update(pop);
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}
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private:
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/** the archive of non-dominated solutions */
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moeoArchive < MOEOT > & arch;
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/** the main population */
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const eoPop < MOEOT > & pop;
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};
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#endif /*MOEOARCHIVEUPDATER_H_*/
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// moeoBinaryMetricSavingUpdater.h
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// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007
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/*
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This library...
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Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
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*/
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//-----------------------------------------------------------------------------
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#ifndef MOEOBINARYMETRICSAVINGUPDATER_H_
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#define MOEOBINARYMETRICSAVINGUPDATER_H_
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#include <fstream>
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#include <string>
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#include <vector>
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#include <eoPop.h>
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#include <utils/eoUpdater.h>
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#include <metric/moeoMetric.h>
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/**
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* This class allows to save the progression of a binary metric comparing the objective vectors of the current population (or archive)
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* with the objective vectors of the population (or archive) of the generation (n-1) into a file
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*/
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template < class MOEOT >
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class moeoBinaryMetricSavingUpdater : public eoUpdater
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{
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public:
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/** The objective vector type of a solution */
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typedef typename MOEOT::ObjectiveVector ObjectiveVector;
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/**
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* Ctor
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* @param _metric the binary metric comparing two Pareto sets
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* @param _pop the main population
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* @param _filename the target filename
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*/
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moeoBinaryMetricSavingUpdater (moeoVectorVsVectorBinaryMetric < ObjectiveVector, double > & _metric, const eoPop < MOEOT > & _pop, std::string _filename) :
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metric(_metric), pop(_pop), filename(_filename), counter(1)
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{}
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/**
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* Saves the metric's value for the current generation
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*/
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void operator()() {
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if (pop.size()) {
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if (firstGen) {
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firstGen = false;
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}
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else {
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// creation of the two Pareto sets
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std::vector < ObjectiveVector > from;
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std::vector < ObjectiveVector > to;
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for (unsigned int i=0; i<pop.size(); i++)
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from.push_back(pop[i].objectiveVector());
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for (unsigned int i=0 ; i<oldPop.size(); i++)
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to.push_back(oldPop[i].objectiveVector());
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// writing the result into the file
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std::ofstream f (filename.c_str(), std::ios::app);
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f << counter++ << ' ' << metric(from,to) << std::endl;
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f.close();
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}
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oldPop = pop;
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}
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}
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private:
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/** binary metric comparing two Pareto sets */
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moeoVectorVsVectorBinaryMetric < ObjectiveVector, double > & metric;
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/** main population */
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const eoPop < MOEOT > & pop;
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/** (n-1) population */
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eoPop< MOEOT > oldPop;
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/** target filename */
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std::string filename;
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/** is it the first generation ? */
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bool firstGen;
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/** counter */
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unsigned int counter;
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};
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#endif /*MOEOBINARYMETRICSAVINGUPDATER_H_*/
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// moeoConvertPopToObjectiveVectors.h
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// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007
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/*
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This library...
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Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
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*/
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//-----------------------------------------------------------------------------
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#ifndef MOEOPOPTOOBJECTIVEVECTORS_H_
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#define MOEOPOPTOOBJECTIVEVECTORS_H_
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#include <vector>
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#include <eoFunctor.h>
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/**
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* Functor allowing to get a vector of objective vectors from a population
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*/
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template < class MOEOT, class ObjectiveVector = typename MOEOT::ObjectiveVector >
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class moeoConvertPopToObjectiveVectors : public eoUF < const eoPop < MOEOT >, const std::vector < ObjectiveVector > >
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{
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public:
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/**
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* Returns a vector of the objective vectors from the population _pop
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* @param _pop the population
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*/
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const std::vector < ObjectiveVector > operator()(const eoPop < MOEOT > _pop)
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{
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std::vector < ObjectiveVector > result;
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result.resize(_pop.size());
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for (unsigned int i=0; i<_pop.size(); i++)
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{
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result.push_back(_pop[i].objectiveVector());
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}
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return result;
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}
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};
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#endif /*MOEOPOPTOOBJECTIVEVECTORS_H_*/
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