tests added
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1701 331e1502-861f-0410-8da2-ba01fb791d7f
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8 changed files with 202 additions and 55 deletions
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@ -39,6 +39,8 @@
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#include <comparator/moNeighborComparator.h>
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#include <comparator/moSolNeighborComparator.h>
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#include <utils/eoRNG.h>
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/**
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* Explorer for the Metropolis-Hasting Sampling
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* Only the symetric case is considered when Q(x,y) = Q(y,x)
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@ -61,7 +63,7 @@ public:
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* @param _solNeighborComparator a solution vs neighbor comparator
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* @param _nbStep maximum number of step to do
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*/
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moMetropolisHastingExplorer(Neighborhood& _neighborhood, moEval<Neighbor>& _eval, moNeighborComparator<Neighbor>& _neighborComparator, moSolNeighborComparator<Neighbor>& _solNeighborComparator, unsigned int _nbStep) : moNeighborhoodExplorer<Neighborhood>(_neighborhood, _eval), neighborComparator(_neighborComparator), solNeighborComparator(_solNeighborComparator), nbStep(_nbStep) {
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moMetropolisHastingExplorer(Neighborhood& _neighborhood, moEval<Neighbor>& _eval, moNeighborComparator<Neighbor>& _neighborComparator, moSolNeighborComparator<Neighbor>& _solNeighborComparator, unsigned int _nbStep) : moNeighborhoodExplorer<Neighborhood>(_neighborhood, _eval), neighborComparator(_neighborComparator), solNeighborComparator(_solNeighborComparator), nbStep(_nbStep) {
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isAccept = false;
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current=new Neighbor();
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}
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@ -78,8 +80,8 @@ public:
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* @param _solution the solution (unused here)
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*/
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virtual void initParam(EOT & _solution){
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step = 0;
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isAccept = true;
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step = 0;
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isAccept = true;
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};
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/**
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@ -87,7 +89,7 @@ public:
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* @param _solution the solution (unused here)
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*/
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virtual void updateParam(EOT & _solution){
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step++;
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step++;
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};
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/**
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@ -138,19 +140,23 @@ public:
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};
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/**
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* accept test if an amelirated neighbor was be found
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* accept test if an ameliorated neighbor was be found
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* @param _solution the solution
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* @return true if the best neighbor ameliorate the fitness
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*/
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virtual bool accept(EOT & _solution) {
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double alpha=0.0;
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if(neighborhood.hasNeighbor(_solution)){
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if (solNeighborComparator(_solution, *current))
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isAccept = true;
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else {
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double alpha = (double) current->fitness() / (double) _solution.fitness();
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isAccept = (rng.uniform() < alpha) ;
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}
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if (solNeighborComparator(_solution, *current))
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isAccept = true;
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else{
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if(_solution.fitness() != 0){
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alpha = (double) current->fitness() / (double) _solution.fitness();
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isAccept = (rng.uniform() < alpha) ;
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}
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else
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isAccept = false;
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}
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}
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return isAccept;
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};
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@ -60,13 +60,13 @@ public:
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* @param _solNeighborComparator a solution vs neighbor comparator
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* @param _nbStep maximum number of step to do
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*/
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moRandomNeutralWalkExplorer(Neighborhood& _neighborhood, moEval<Neighbor>& _eval,
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moRandomNeutralWalkExplorer(Neighborhood& _neighborhood, moEval<Neighbor>& _eval,
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moSolNeighborComparator<Neighbor>& _solNeighborComparator,
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unsigned _nbStep)
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: moNeighborhoodExplorer<Neighborhood>(_neighborhood, _eval),
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solNeighborComparator(_solNeighborComparator),
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nbStep(_nbStep) {
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isAccept = false;
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unsigned _nbStep):
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moNeighborhoodExplorer<Neighborhood>(_neighborhood, _eval),
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solNeighborComparator(_solNeighborComparator),
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nbStep(_nbStep) {
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isAccept = false;
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current=new Neighbor();
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}
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@ -81,15 +81,15 @@ public:
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* initialization of the number of step to be done
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*/
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virtual void initParam(EOT & solution){
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step = 0;
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isAccept = true;
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step = 0;
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isAccept = true;
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};
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/**
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* increase the number of step
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*/
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virtual void updateParam(EOT & solution){
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step++;
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step++;
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};
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/**
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@ -102,27 +102,27 @@ public:
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* @param _solution
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*/
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virtual void operator()(EOT & _solution){
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//Test if _solution has a Neighbor
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if(neighborhood.hasNeighbor(_solution)){
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//init the first neighbor
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neighborhood.init(_solution, (*current));
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//Test if _solution has a Neighbor
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if(neighborhood.hasNeighbor(_solution)){
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//init the first neighbor
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neighborhood.init(_solution, (*current));
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//eval the _solution moved with the neighbor and stock the result in the neighbor
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eval(_solution, (*current));
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//eval the _solution moved with the neighbor and stock the result in the neighbor
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eval(_solution, (*current));
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//test all others neighbors
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while (! solNeighborComparator.equals(_solution, *current) && neighborhood.cont(_solution)) {
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//next neighbor
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neighborhood.next(_solution, (*current));
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//eval
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eval(_solution, (*current));
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}
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}
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else{
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//if _solution hasn't neighbor,
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isAccept=false;
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}
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};
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//test all others neighbors
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while (! solNeighborComparator.equals(_solution, *current) && neighborhood.cont(_solution)) {
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//next neighbor
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neighborhood.next(_solution, (*current));
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//eval
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eval(_solution, (*current));
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}
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}
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else{
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//if _solution hasn't neighbor,
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isAccept=false;
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}
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};
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/**
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* continue if there is a neighbor and it is remainds some steps to do
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@ -130,7 +130,7 @@ public:
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* @return true there is some steps to do
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*/
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virtual bool isContinue(EOT & _solution) {
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return (step < nbStep) && isAccept ;
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return (step < nbStep) && isAccept ;
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};
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/**
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@ -145,15 +145,14 @@ public:
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};
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/**
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* accept test if an amelirated neighbor was be found
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* accept test if an ameliorated neighbor was be found
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* @param _solution the solution
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* @return true if the best neighbor ameliorate the fitness
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*/
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virtual bool accept(EOT & _solution) {
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if(neighborhood.hasNeighbor(_solution)){
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isAccept = solNeighborComparator.equals(_solution, (*current)) ;
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}
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return isAccept;
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if(neighborhood.hasNeighbor(_solution))
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isAccept = solNeighborComparator.equals(_solution, (*current)) ;
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return isAccept;
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};
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private:
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@ -40,7 +40,7 @@
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#include <comparator/moSolNeighborComparator.h>
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/**
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* Explorer for a first imporvement heuristic
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* Explorer for a random walk explorer
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*/
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template< class Neighborhood >
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class moRandomWalkExplorer : public moNeighborhoodExplorer<Neighborhood>
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@ -58,11 +58,11 @@ public:
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* @param _eval the evaluation function
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* @param _nbStep maximum number of step to do
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*/
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moRandomWalkExplorer(Neighborhood& _neighborhood, moEval<Neighbor>& _eval, unsigned _nbStep) : moNeighborhoodExplorer<Neighborhood>(_neighborhood, _eval), nbStep(_nbStep) {
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moRandomWalkExplorer(Neighborhood& _neighborhood, moEval<Neighbor>& _eval, unsigned _nbStep) : moNeighborhoodExplorer<Neighborhood>(_neighborhood, _eval), nbStep(_nbStep) {
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isAccept = false;
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current=new Neighbor();
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// number of step done
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step = 0;
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// number of step done
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step = 0;
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}
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/**
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@ -98,7 +98,6 @@ public:
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*/
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virtual void operator()(EOT & _solution){
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//est qu'on peut initializer
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//Test if _solution has a Neighbor
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if(neighborhood.hasNeighbor(_solution)){
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//init the first neighbor
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@ -141,9 +140,8 @@ public:
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* @return true if the best neighbor ameliorate the fitness
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*/
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virtual bool accept(EOT & _solution) {
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if(neighborhood.hasNeighbor(_solution)){
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if(neighborhood.hasNeighbor(_solution))
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isAccept = true ;
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}
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return isAccept;
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};
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