debug for visual studio
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1358 331e1502-861f-0410-8da2-ba01fb791d7f
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jhumeau
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1 changed files with 50 additions and 45 deletions
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@ -49,7 +49,7 @@ template < class ObjectiveVector >
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class moeoHyperVolumeMetric : public moeoVectorUnaryMetric < ObjectiveVector , double >
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{
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public:
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/**
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* Constructor with a coefficient (rho)
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* @param _normalize allow to normalize data (default true)
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@ -63,7 +63,7 @@ class moeoHyperVolumeMetric : public moeoVectorUnaryMetric < ObjectiveVector , d
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bounds[i] = eoRealInterval(0,1);
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}
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}
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/**
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* Constructor with a reference point
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* @param _normalize allow to normalize data (default true)
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@ -77,22 +77,22 @@ class moeoHyperVolumeMetric : public moeoVectorUnaryMetric < ObjectiveVector , d
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bounds[i] = eoRealInterval(0,1);
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}
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}
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/**
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* Constructor with a reference point
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* @param _normalize allow to normalize data (default true)
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* @param _ref_point the reference point
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*/
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moeoHyperVolumeMetric(ObjectiveVector& _ref_point=NULL, std::vector < eoRealInterval >& _bounds=NULL): normalize(false), rho(0.0), ref_point(_ref_point), bounds(_bounds){}
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moeoHyperVolumeMetric(ObjectiveVector& _ref_point=NULL, std::vector < eoRealInterval >& _bounds=NULL): normalize(false), rho(0.0), ref_point(_ref_point), bounds(_bounds){}
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/**
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* calculates and returns the HyperVolume value of a pareto front
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* @param _set the vector contains all objective Vector of pareto front
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* @param _set the vector contains all objective Vector of pareto front
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*/
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double operator()(const std::vector < ObjectiveVector > & _set)
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{
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std::vector < std::vector<double> > front;
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//determine the reference point if a coefficient is passed in paremeter
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if(rho >= 1.0){
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//determine bounds
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@ -112,7 +112,7 @@ class moeoHyperVolumeMetric : public moeoVectorUnaryMetric < ObjectiveVector , d
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ref_point[i]= bounds[i].maximum() * (1-rho);
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}
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}
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//if no normalization, reinit bounds to O..1 for
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//if no normalization, reinit bounds to O..1 for
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if(!normalize)
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for (unsigned int i=0; i<ObjectiveVector::Traits::nObjectives(); i++)
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bounds[i] = eoRealInterval(0,1);
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@ -132,10 +132,10 @@ class moeoHyperVolumeMetric : public moeoVectorUnaryMetric < ObjectiveVector , d
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}
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}
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}
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return calc_hypervolume(front, front.size(),ObjectiveVector::Traits::nObjectives());
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}
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/**
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* getter on bounds
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* @return bounds
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@ -143,7 +143,7 @@ class moeoHyperVolumeMetric : public moeoVectorUnaryMetric < ObjectiveVector , d
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std::vector < eoRealInterval > getBounds(){
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return bounds;
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}
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/**
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* method caclulate bounds for the normalization
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* @param _set the vector of objective vectors
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@ -166,7 +166,7 @@ class moeoHyperVolumeMetric : public moeoVectorUnaryMetric < ObjectiveVector , d
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}
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}
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}
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/**
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* method calculate if a point dominates another one regarding the x first objective
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* @param _point1 a vector of distances
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@ -178,18 +178,18 @@ class moeoHyperVolumeMetric : public moeoVectorUnaryMetric < ObjectiveVector , d
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unsigned int i;
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bool better_in_any_objective = false;
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bool worse_in_any_objective = false;
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for(i=0; i < _no_objectives && !worse_in_any_objective; i++){
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if(_point1[i] > _point2[i])
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better_in_any_objective = true;
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else if(_point1[i] < _point2[i])
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worse_in_any_objective = true;
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}
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}
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//_point1 dominates _point2 if it is better than _point2 on a objective and if it is never worse in any other objectives
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return(!worse_in_any_objective && better_in_any_objective);
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}
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/**
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* swap two elements of a vector
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* @param _front the vector
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@ -197,13 +197,18 @@ class moeoHyperVolumeMetric : public moeoVectorUnaryMetric < ObjectiveVector , d
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* @param _j index of the second element to swap
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*/
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void swap(std::vector< std::vector<double> >& _front, unsigned int _i, unsigned int _j){
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_front.push_back(_front[_i]);
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_front[_i]= _front[_j];
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_front[_j]=_front.back();
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_front.pop_back();
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std::vector<double> tmp;
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tmp=_front[_i];
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_front[_i]=_front[_j];
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_front[_j]=tmp;
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//another way (don't work on visual studio)
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// _front.push_back(_front[_i]);
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// _front[_i]= _front[_j];
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// _front[_j]=_front.back();
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// _front.pop_back();
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}
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/**
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* collect all nondominated points regarding the first '_no_objectives' objectives (dominated points are stored at the end of _front)
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* @param _front the front
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@ -213,7 +218,7 @@ class moeoHyperVolumeMetric : public moeoVectorUnaryMetric < ObjectiveVector , d
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*/
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unsigned int filter_nondominated_set( std::vector < std::vector< double > >& _front, unsigned int _no_points, unsigned int _no_objectives){
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unsigned int i,j,n;
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n=_no_points;
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i=0;
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while(i < n){
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@ -238,7 +243,7 @@ class moeoHyperVolumeMetric : public moeoVectorUnaryMetric < ObjectiveVector , d
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}
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return n;
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}
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/**
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* @param _front the front
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* @param _no_points the number of points of the front to consider (index 0 to _no_points are considered)
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@ -248,20 +253,20 @@ class moeoHyperVolumeMetric : public moeoVectorUnaryMetric < ObjectiveVector , d
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double surface_unchanged_to(std::vector < std::vector< double > >& _front, unsigned int _no_points, unsigned int _objective){
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unsigned int i;
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double min, value;
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if(_no_points < 1)
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throw("Error in moeoHyperVolumeUnaryMetric::surface_unchanged_to -> argument2: _no_points must be greater than 0");
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min = _front[0][_objective];
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for(i=1; i < _no_points; i++){
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value = _front[i][_objective];
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if(value < min)
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min = value;
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min = value;
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}
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return min;
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}
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/**
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* remove all points having a value <= 'threshold' regarding the dimension 'objective', only points of index 0 to _no_points are considered.
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* points removed are swap at the end of the front.
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@ -273,7 +278,7 @@ class moeoHyperVolumeMetric : public moeoVectorUnaryMetric < ObjectiveVector , d
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*/
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unsigned int reduce_nondominated_set(std::vector < std::vector< double > >& _front, unsigned int _no_points, unsigned int _objective, double _threshold){
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unsigned int i,n ;
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n=_no_points;
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for(i=0; i < n ; i++)
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if(_front[i][_objective] <= _threshold){
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@ -281,35 +286,35 @@ class moeoHyperVolumeMetric : public moeoVectorUnaryMetric < ObjectiveVector , d
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swap(_front, i, n);
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i--; //ATTENTION I had this to reconsider the point copied to index i (it can be useless verify algorythimic in calc_hypervolume)
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}
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return n;
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}
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/**
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* calculate hypervolume of the front (data are redrafted before)
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* @param _front the front
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* @param _no_points the number of points of the front to consider (index 0 to _no_points are considered)
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* @param _no_objectives the number of objective to consider
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* @return the hypervolume of the front
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* @return the hypervolume of the front
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*/
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double calc_hypervolume(std::vector < std::vector< double > >& _front, unsigned int _no_points, unsigned int _no_objectives){
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unsigned int n;
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double volume, distance;
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volume=0;
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distance=0;
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n=_no_points;
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while(n > 0){
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unsigned int no_nondominated_points;
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double temp_vol, temp_dist;
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//get back the index of non dominated points of the front regarding the first "_nb_objectives - 1" objectives
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//So one dimension is not determinante for the dominance
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//So one dimension is not determinante for the dominance
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no_nondominated_points = filter_nondominated_set(_front, n, _no_objectives - 1);
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temp_vol=0;
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//if there are less than 3 objectifs take the fisrt objectif of the first point of front to begin computation of hypervolume
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if(_no_objectives < 3){
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if(_no_objectives < 1)
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@ -319,7 +324,7 @@ class moeoHyperVolumeMetric : public moeoVectorUnaryMetric < ObjectiveVector , d
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//else if there at least 3 objectives, a recursive computation of hypervolume starts with _no_objectives -1 on the filter_nondominated_set calculating previously.
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else
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temp_vol= calc_hypervolume(_front, no_nondominated_points, _no_objectives - 1);
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//search the next minimum distance on the dimension _no_objectives -1
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temp_dist = surface_unchanged_to(_front, n, _no_objectives - 1);
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//calculate the area
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@ -327,23 +332,23 @@ class moeoHyperVolumeMetric : public moeoVectorUnaryMetric < ObjectiveVector , d
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//change distance to have the good lenght on next step
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distance= temp_dist;
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//remove all points <= distance on dimension _no_objectives
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n=reduce_nondominated_set(_front, n , _no_objectives - 1, distance);
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n=reduce_nondominated_set(_front, n , _no_objectives - 1, distance);
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}
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return volume;
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}
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private:
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/*boolean indicates if data must be normalized or not*/
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bool normalize;
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double rho;
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/*vectors contains bounds for normalization*/
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std::vector < eoRealInterval > bounds;
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ObjectiveVector ref_point;
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};
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