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Modifications 22/02/2007

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git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@183 331e1502-861f-0410-8da2-ba01fb791d7f
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legrand 2007-02-22 15:38:01 +00:00
commit 8312d91a84
19 changed files with 930 additions and 805 deletions
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branches/paradiseo-moeo-1.0/src/moeoObjectiveVectorComparator.h
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@ -20,70 +20,74 @@
* Abstract class allowing to compare 2 objective vectors.
* The template argument ObjectiveVector have to be a moeoObjectiveVector.
*/
template < class ObjectiveVector >
class moeoObjectiveVectorComparator : public eoBF < const ObjectiveVector &, const ObjectiveVector &, int >
{};
template < class ObjectiveVector > class moeoObjectiveVectorComparator:public eoBF < const ObjectiveVector &, const ObjectiveVector &,
int >
{
};
/**
* This functor class allows to compare 2 objective vectors according to Pareto dominance.
* This functor class allows to compare 2 objective vectors according to Pareto dominance
*/
template < class ObjectiveVector >
class moeoParetoObjectiveVectorComparator : public moeoObjectiveVectorComparator < ObjectiveVector >
template < class ObjectiveVector > class moeoParetoObjectiveVectorComparator:public moeoObjectiveVectorComparator <
ObjectiveVector
>
{
public:
/**
* Returns 1 if _objectiveVector1 dominates _objectiveVector2, -1 if _objectiveVector2 dominates _objectiveVector1 and 0 if no one dominates the other
* @param _objectiveVector1 the first objective vector
* @param _objectiveVector2 the second objective vector
*/
int operator()(const ObjectiveVector & _objectiveVector1, const ObjectiveVector & _objectiveVector2)
{
bool dom1 = false;
bool dom2 = false;
for (unsigned i=0; i<ObjectiveVector::nObjectives(); i++)
{
// first, we have to check if the 2 objective values are not equal for the ith objective
if ( fabs(_objectiveVector1[i] - _objectiveVector2[i]) > ObjectiveVector::Traits::tolerance() )
{
// if the ith objective have to be minimized...
if (ObjectiveVector::minimizing(i))
{
if (_objectiveVector1[i] > _objectiveVector2[i])
{
dom2 = true; //_objectiveVector2[i] is better than _objectiveVector1[i]
}
else // _objectiveVector1[i] < _objectiveVector2[i]
{
dom1 = true; //_objectiveVector1[i] is better than _objectiveVector2[i]
}
}
// if the ith objective have to be maximized...
else if (ObjectiveVector::maximizing(i))
{
if (_objectiveVector1[i] > _objectiveVector2[i])
{
dom1 = true; //_objectiveVector1[i] is better than _objectiveVector2[i]
}
else // _objectiveVector1[i] < _objectiveVector2[i]
{
dom2 = true; //_objectiveVector2[i] is better than _objectiveVector1[i]
}
}
}
}
if (dom1 == dom2)
{
return 0; // no one dominates the other
}
if (dom1)
{
return 1; //_objectiveVector1 dominates _objectiveVector2
}
return -1; //_objectiveVector2 dominates _objectiveVector1
}
*/
int operator () (const ObjectiveVector & _objectiveVector1,
const ObjectiveVector & _objectiveVector2)
{
bool dom1 = false;
bool dom2 = false;
for (unsigned i = 0; i < ObjectiveVector::nObjectives (); i++)
{
// first, we have to check if the 2 objective values are not equal for the ith objective
if (fabs (_objectiveVector1[i] - _objectiveVector2[i]) >
ObjectiveVector::Traits::tolerance ())
{
// if the ith objective have to be minimized...
if (ObjectiveVector::minimizing (i))
{
if (_objectiveVector1[i] > _objectiveVector2[i])
{
dom2 = true; //_objectiveVector2[i] is better than _objectiveVector1[i]
}
else // _objectiveVector1[i] < _objectiveVector2[i]
{
dom1 = true; //_objectiveVector1[i] is better than _objectiveVector2[i]
}
}
// if the ith objective have to be maximized...
else if (ObjectiveVector::maximizing (i))
{
if (_objectiveVector1[i] > _objectiveVector2[i])
{
dom1 = true; //_objectiveVector1[i] is better than _objectiveVector2[i]
}
else // _objectiveVector1[i] < _objectiveVector2[i]
{
dom2 = true; //_objectiveVector2[i] is better than _objectiveVector1[i]
}
}
}
}
if (dom1 == dom2)
{
return 0; // no one dominates the other
}
if (dom1)
{
return 1; //_objectiveVector1 dominates _objectiveVector2
}
return -1; //_objectiveVector2 dominates _objectiveVector1
}
};
#endif /*MOEOOBJECTIVEVECTORCOMPARATOR_H_*/
#endif /*MOEOOBJECTIVEVECTORCOMPARATOR_H_ */