Ajout de la marche aléatoire neutre avec le prg de test.

git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1689 331e1502-861f-0410-8da2-ba01fb791d7f
This commit is contained in:
verel 2010-02-22 15:40:13 +00:00
commit d6146b471d
6 changed files with 501 additions and 41 deletions

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@ -0,0 +1,176 @@
/*
<moRandomNeutralWalkExplorer.h>
Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
Sébastien Verel, Arnaud Liefooghe, Jérémie 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".
As a counterpart to the access to the source code and rights to copy,
modify and redistribute granted by the license, users are provided only
with a limited warranty and the software's author, the holder of the
economic rights, and the successive licensors have only limited liability.
In this respect, the user's attention is drawn to the risks associated
with loading, using, modifying and/or developing or reproducing the
software by the user in light of its specific status of free software,
that may mean that it is complicated to manipulate, and that also
therefore means that it is reserved for developers and experienced
professionals having in-depth computer knowledge. Users are therefore
encouraged to load and test the software's suitability as regards their
requirements in conditions enabling the security of their systems and/or
data to be ensured and, more generally, to use and operate it in the
same conditions as regards security.
The fact that you are presently reading this means that you have had
knowledge of the CeCILL license and that you accept its terms.
ParadisEO WebSite : http://paradiseo.gforge.inria.fr
Contact: paradiseo-help@lists.gforge.inria.fr
*/
#ifndef _moRandomNeutralWalkexplorer_h
#define _moRandomNeutralWalkexplorer_h
#include <explorer/moNeighborhoodExplorer.h>
#include <comparator/moSolNeighborComparator.h>
/**
* Explorer for a random neutral walk
* accept the movement when the neighbor has the same fitnes
* neighborhood must be explored in random order
*/
template< class Neighborhood >
class moRandomNeutralWalkExplorer : public moNeighborhoodExplorer<Neighborhood>
{
public:
typedef typename Neighborhood::EOT EOT ;
typedef typename Neighborhood::Neighbor Neighbor ;
using moNeighborhoodExplorer<Neighborhood>::neighborhood;
using moNeighborhoodExplorer<Neighborhood>::eval;
/**
* Constructor
* @param _neighborhood the neighborhood
* @param _eval the evaluation function
* @param _comparator a neighbor comparator
*/
moRandomNeutralWalkExplorer(Neighborhood& _neighborhood, moEval<Neighbor>& _eval,
moSolNeighborComparator<Neighbor>& _solNeighborComparator,
unsigned _nbStep)
: moNeighborhoodExplorer<Neighborhood>(_neighborhood, _eval),
solNeighborComparator(_solNeighborComparator),
nbStep(_nbStep) {
isAccept = false;
current=new Neighbor();
}
/**
* Destructor
*/
~moRandomNeutralWalkExplorer(){
delete current;
}
/**
* initialization of the number of step to be done
*/
virtual void initParam(EOT & solution){
step = 0;
isAccept = true;
};
/**
* increase the number of step
*/
virtual void updateParam(EOT & solution){
step++;
};
/**
* terminate: NOTHING TO DO
*/
virtual void terminate(EOT & solution){};
/**
* Explore the neighborhood of a solution
* @param _solution
*/
virtual void operator()(EOT & _solution){
//Test if _solution has a Neighbor
if(neighborhood.hasNeighbor(_solution)){
//init the first neighbor
neighborhood.init(_solution, (*current));
//eval the _solution moved with the neighbor and stock the result in the neighbor
eval(_solution, (*current));
//test all others neighbors
while (! solNeighborComparator.equals(_solution, *current) && neighborhood.cont(_solution)) {
//next neighbor
neighborhood.next(_solution, (*current));
//eval
eval(_solution, (*current));
}
}
else{
//if _solution hasn't neighbor,
isAccept=false;
}
};
/**
* continue if there is a neighbor and it is remainds some steps to do
* @param _solution the solution
* @return true there is some steps to do
*/
virtual bool isContinue(EOT & _solution) {
return (step < nbStep) && isAccept ;
};
/**
* move the solution with the best neighbor
* @param _solution the solution to move
*/
virtual void move(EOT & _solution) {
//move the solution
(*current).move(_solution);
//update its fitness
_solution.fitness((*current).fitness());
};
/**
* accept test if an amelirated neighbor was be found
* @param _solution the solution
* @return true if the best neighbor ameliorate the fitness
*/
virtual bool accept(EOT & _solution) {
if(neighborhood.hasNeighbor(_solution)){
isAccept = solNeighborComparator.equals(_solution, (*current)) ;
}
return isAccept;
};
private:
// comparator betwenn solution and neighbor or between neighbors
moSolNeighborComparator<Neighbor>& solNeighborComparator;
// current number of step
unsigned int step;
// maximum number of steps to do
unsigned int nbStep;
//Pointer on the best and the current neighbor
Neighbor* current;
// true if the move is accepted
bool isAccept ;
};
#endif

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@ -11,6 +11,7 @@ ADD_EXECUTABLE(testSimpleHCneutral testSimpleHCneutral.cpp)
ADD_EXECUTABLE(testHCneutral testHCneutral.cpp)
ADD_EXECUTABLE(testMetropolisHasting testMetropolisHasting.cpp)
#ADD_EXECUTABLE(testWithMove testWithMove.cpp)
ADD_EXECUTABLE(testRandomNeutralWalk testRandomNeutralWalk.cpp)
TARGET_LINK_LIBRARIES(testSimpleHC eoutils ga eo)
TARGET_LINK_LIBRARIES(testFirstImpr eoutils ga eo)
@ -19,3 +20,4 @@ TARGET_LINK_LIBRARIES(testSimpleHCneutral eoutils ga eo)
TARGET_LINK_LIBRARIES(testHCneutral eoutils ga eo)
TARGET_LINK_LIBRARIES(testMetropolisHasting eoutils ga eo)
#TARGET_LINK_LIBRARIES(testWithMove eoutils ga eo)
TARGET_LINK_LIBRARIES(testRandomNeutralWalk eoutils ga eo)

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@ -1,5 +1,5 @@
//-----------------------------------------------------------------------------
/** testSimpleHC.cpp
/** testFirstImpr.cpp
*
* SV - 12/01/10
*

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@ -0,0 +1,278 @@
//-----------------------------------------------------------------------------
/** testRandomNeutralWalk.cpp
*
* SV - 22/02/10
*
*/
//-----------------------------------------------------------------------------
// standard includes
#define HAVE_SSTREAM
#include <stdexcept> // runtime_error
#include <iostream> // cout
#include <sstream> // ostrstream, istrstream
#include <fstream>
#include <string.h>
// the general include for eo
#include <eo>
#include <ga.h>
using namespace std;
//-----------------------------------------------------------------------------
// fitness function
#include <funcRoyalRoad.h>
#include <eoInt.h>
#include <neighborhood/moRndWithoutReplNeighborhood.h>
#include <neighborhood/moBitNeighbor.h>
#include <eval/moFullEvalByModif.h>
#include <eval/moFullEvalByCopy.h>
#include <comparator/moNeighborComparator.h>
#include <comparator/moSolNeighborComparator.h>
#include <continuator/moTrueContinuator.h>
#include <algo/moLocalSearch.h>
#include <explorer/moRandomNeutralWalkExplorer.h>
#include <continuator/moCheckpoint.h>
#include <continuator/moFitnessStat.h>
#include <utils/eoDistance.h>
#include <continuator/moDistanceStat.h>
#include <neighborhood/moOrderNeighborhood.h>
#include <continuator/moNeighborhoodStat.h>
#include <continuator/moMinNeighborStat.h>
#include <continuator/moMaxNeighborStat.h>
#include <continuator/moSecondMomentNeighborStat.h>
#include <continuator/moNbInfNeighborStat.h>
#include <continuator/moNbSupNeighborStat.h>
#include <continuator/moNeutralDegreeNeighborStat.h>
#include <continuator/moSizeNeighborStat.h>
// REPRESENTATION
//-----------------------------------------------------------------------------
typedef eoBit<unsigned> Indi;
typedef moBitNeighbor<unsigned int> Neighbor ; // incremental evaluation
typedef moRndWithoutReplNeighborhood<Neighbor> Neighborhood ;
void main_function(int argc, char **argv)
{
/* =========================================================
*
* Parameters
*
* ========================================================= */
// First define a parser from the command-line arguments
eoParser parser(argc, argv);
// For each parameter, define Parameter, read it through the parser,
// and assign the value to the variable
eoValueParam<uint32_t> seedParam(time(0), "seed", "Random number seed", 'S');
parser.processParam( seedParam );
unsigned seed = seedParam.value();
// description of genotype
eoValueParam<unsigned int> vecSizeParam(8, "vecSize", "Genotype size", 'V');
parser.processParam( vecSizeParam, "Representation" );
unsigned vecSize = vecSizeParam.value();
eoValueParam<unsigned int> blockSizeParam(2, "blockSize", "Size of block in the royal road", 'k');
parser.processParam( blockSizeParam, "Representation" );
unsigned blockSize = blockSizeParam.value();
eoValueParam<unsigned int> stepParam(10, "nbStep", "Number of steps of the random walk", 'n');
parser.processParam( stepParam, "Representation" );
unsigned nbStep = stepParam.value();
// the name of the "status" file where all actual parameter values will be saved
string str_status = parser.ProgramName() + ".status"; // default value
eoValueParam<string> statusParam(str_status.c_str(), "status", "Status file");
parser.processParam( statusParam, "Persistence" );
// do the following AFTER ALL PARAMETERS HAVE BEEN PROCESSED
// i.e. in case you need parameters somewhere else, postpone these
if (parser.userNeedsHelp()){
parser.printHelp(cout);
exit(1);
}
if (statusParam.value() != ""){
ofstream os(statusParam.value().c_str());
os << parser;// and you can use that file as parameter file
}
/* =========================================================
*
* Random seed
*
* ========================================================= */
//reproducible random seed: if you don't change SEED above,
// you'll aways get the same result, NOT a random run
rng.reseed(seed);
/* =========================================================
*
* Eval fitness function
*
* ========================================================= */
FuncRoyalRoad<Indi> eval(vecSize / blockSize, blockSize);
/* =========================================================
*
* Initilisazor of the solution
*
* ========================================================= */
// a Indi random initializer
eoUniformGenerator<bool> uGen;
eoInitFixedLength<Indi> random(vecSize, uGen);
/* =========================================================
*
* Evaluation of a neighbor solution
*
* ========================================================= */
moFullEvalByModif<Neighbor> nhEval(eval);
//An eval by copy can be used instead of the eval by modif
//moFullEvalByCopy<Neighbor> nhEval(eval);
/* =========================================================
*
* Comparator of neighbors
*
* ========================================================= */
moNeighborComparator<Neighbor> comparator;
moSolNeighborComparator<Neighbor> solComparator;
/* =========================================================
*
* the neighborhood of a solution
*
* ========================================================= */
Neighborhood neighborhood(vecSize);
/* =========================================================
*
* a neighborhood explorer solution
*
* ========================================================= */
moRandomNeutralWalkExplorer<Neighborhood> explorer(neighborhood, nhEval, solComparator, nbStep);
/* =========================================================
*
* initial random solution
*
* ========================================================= */
Indi solution;
random(solution);
//Can be eval here, else it will be done at the beginning of the localSearch
eval(solution);
/* =========================================================
*
* the continuator and the checkpoint
*
* ========================================================= */
moTrueContinuator<Neighborhood> continuator;//always continue
moCheckpoint<Neighborhood> checkpoint(continuator);
moFitnessStat<Indi, unsigned> fStat;
eoHammingDistance<Indi> distance;
moDistanceStat<Indi, unsigned> distStat(distance, solution); // distance from the intial solution
moOrderNeighborhood<Neighbor> nh(vecSize);
moNeigborhoodStat< moOrderNeighborhood<Neighbor> > neighborhoodStat(nh, nhEval, comparator, solComparator);
moMinNeighborStat< moOrderNeighborhood<Neighbor> > minStat(neighborhoodStat);
moSecondMomentNeighborStat< moOrderNeighborhood<Neighbor> > secondMomentStat(neighborhoodStat);
moMaxNeighborStat< moOrderNeighborhood<Neighbor> > maxStat(neighborhoodStat);
moNbSupNeighborStat< moOrderNeighborhood<Neighbor> > nbSupStat(neighborhoodStat);
moNbInfNeighborStat< moOrderNeighborhood<Neighbor> > nbInfStat(neighborhoodStat);
moNeutralDegreeNeighborStat< moOrderNeighborhood<Neighbor> > ndStat(neighborhoodStat);
moSizeNeighborStat< moOrderNeighborhood<Neighbor> > sizeStat(neighborhoodStat);
eoValueParam<unsigned int> genCounter(-1,"Gen");
eoIncrementor<unsigned int> increm(genCounter.value());
checkpoint.add(fStat);
checkpoint.add(distStat);
checkpoint.add(neighborhoodStat);
checkpoint.add(minStat);
checkpoint.add(secondMomentStat);
checkpoint.add(maxStat);
checkpoint.add(nbInfStat);
checkpoint.add(ndStat);
checkpoint.add(nbSupStat);
checkpoint.add(sizeStat);
checkpoint.add(increm);
eoFileMonitor outputfile("out.dat", " ");
checkpoint.add(outputfile);
outputfile.add(genCounter);
outputfile.add(fStat);
outputfile.add(distStat);
outputfile.add(minStat);
outputfile.add(secondMomentStat);
outputfile.add(maxStat);
outputfile.add(nbInfStat);
outputfile.add(ndStat);
outputfile.add(nbSupStat);
outputfile.add(sizeStat);
/* =========================================================
*
* the local search algorithm
*
* ========================================================= */
moLocalSearch< moRandomNeutralWalkExplorer<Neighborhood> > localSearch(explorer, checkpoint, eval);
/* =========================================================
*
* execute the local search from random sollution
*
* ========================================================= */
std::cout << "initial: " << solution << std::endl ;
localSearch(solution);
std::cout << "final: " << solution << std::endl ;
}
// A main that catches the exceptions
int main(int argc, char **argv)
{
try{
main_function(argc, argv);
}
catch(exception& e){
cout << "Exception: " << e.what() << '\n';
}
return 1;
}

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@ -38,17 +38,6 @@ using namespace std;
#include <continuator/moSolutionStat.h>
#include <utils/eoDistance.h>
#include <continuator/moDistanceStat.h>
#include <comparator/moNeighborComparator.h>
#include <comparator/moSolNeighborComparator.h>
#include <neighborhood/moOrderNeighborhood.h>
#include <continuator/moNeighborhoodStat.h>
#include <continuator/moMinNeighborStat.h>
#include <continuator/moMaxNeighborStat.h>
#include <continuator/moSecondMomentNeighborStat.h>
#include <continuator/moNbInfNeighborStat.h>
#include <continuator/moNbSupNeighborStat.h>
#include <continuator/moNeutralDegreeNeighborStat.h>
#include <continuator/moSizeNeighborStat.h>
#include <utils/eoFileMonitor.h>
#include <utils/eoUpdater.h>
@ -179,29 +168,9 @@ void main_function(int argc, char **argv)
moDistanceStat<Indi, unsigned> distStat(distance, bestSolution);
// moSolutionStat<Indi> solStat;
moNeighborComparator<Neighbor> comparator;
moSolNeighborComparator<Neighbor> solComparator;
moOrderNeighborhood<Neighbor> nh(vecSize);
moNeigborhoodStat< moOrderNeighborhood<Neighbor> > neighborhoodStat(nh, nhEval, comparator, solComparator);
moMinNeighborStat< moOrderNeighborhood<Neighbor> > minStat(neighborhoodStat);
moMaxNeighborStat< moOrderNeighborhood<Neighbor> > maxStat(neighborhoodStat);
moSecondMomentNeighborStat< moOrderNeighborhood<Neighbor> > secondMomentStat(neighborhoodStat);
moNbSupNeighborStat< moOrderNeighborhood<Neighbor> > nbSupStat(neighborhoodStat);
moNbInfNeighborStat< moOrderNeighborhood<Neighbor> > nbInfStat(neighborhoodStat);
moNeutralDegreeNeighborStat< moOrderNeighborhood<Neighbor> > ndStat(neighborhoodStat);
moSizeNeighborStat< moOrderNeighborhood<Neighbor> > sizeStat(neighborhoodStat);
checkpoint.add(fStat);
checkpoint.add(distStat);
// checkpoint.add(solStat);
checkpoint.add(neighborhoodStat);
checkpoint.add(minStat);
checkpoint.add(maxStat);
checkpoint.add(secondMomentStat);
checkpoint.add(nbInfStat);
checkpoint.add(nbSupStat);
checkpoint.add(ndStat);
checkpoint.add(sizeStat);
eoValueParam<unsigned int> genCounter(-1,"Gen");
eoIncrementor<unsigned int> increm(genCounter.value());
@ -214,21 +183,15 @@ void main_function(int argc, char **argv)
outputfile.add(fStat);
outputfile.add(distStat);
// outputfile.add(solStat);
outputfile.add(minStat);
outputfile.add(maxStat);
outputfile.add(secondMomentStat);
outputfile.add(nbInfStat);
outputfile.add(nbSupStat);
outputfile.add(ndStat);
outputfile.add(sizeStat);
Indi solution; // current solution of the search process
/*
// to save the solution at each iteration
eoState outState;
// Register the algorithm into the state (so it has something to save!!
Indi solution; // current solution of the search process
outState.registerObject(solution);
// and feed the state to state savers
@ -237,6 +200,7 @@ void main_function(int argc, char **argv)
// Don't forget to add the two savers to the checkpoint
checkpoint.add(stateSaver);
*/
/* =========================================================
*

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@ -0,0 +1,40 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
#ifndef __funcRoyalRoad
#define __funcRoyalRoad
#include <eoEvalFunc.h>
template< class EOT >
class FuncRoyalRoad : public eoEvalFunc<EOT>
{
// number of blocks
unsigned n;
// size of a block
unsigned k;
public:
FuncRoyalRoad(unsigned _n, unsigned _k) : n(_n), k(_k) {};
~FuncRoyalRoad(void) {} ;
virtual void operator() (EOT & _solution)
{
unsigned sum = 0;
unsigned i, j;
for (i = 0; i < n; i++) {
j = 0;
while (_solution[i * n + j] && j < k) j++;
if (j == k)
sum++;
}
_solution.fitness(sum);
};
};
#endif