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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/moeoObjectiveVectorTraits.h
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@ -18,94 +18,105 @@
#include <stdexcept>
/**
* A traits class for moeoObjectiveVector to specify the number of objectives and which ones have to be minimized or maximized.
* A traits class for moeoObjectiveVector to specify the number of objectives and which ones have to be minimized or maximized
*/
class moeoObjectiveVectorTraits
{
public:
/** The tolerance value (used to compare solutions) */
const static double tol = 1e-6;
const static double tol = 1e-6;
/**
* Parameters setting
* @param _nObjectives the number of objectives
* @param _bObjectives the min/max vector (true = min / false = max)
*/
static void setup(unsigned _nObjectives, std::vector < bool > & _bObjectives)
{
// in case the number of objectives was already set to a different value
if ( nObj && (nObj != _nObjectives) ) {
std::cout << "WARNING\n";
std::cout << "WARNING : the number of objectives are changing\n";
std::cout << "ARNING : Make sure all existing objects are destroyed\n";
std::cout << "WARNING\n";
}
// number of objectives
nObj = _nObjectives;
// min/max vector
bObj = _bObjectives;
// in case the number of objectives and the min/max vector size don't match
if (nObj != bObj.size())
throw std::runtime_error("Number of objectives and min/max size don't match in moeoObjectiveVectorTraits::setup");
}
static void setup (unsigned _nObjectives,
std::vector < bool > &_bObjectives)
{
// in case the number of objectives was already set to a different value
if (nObj && (nObj != _nObjectives))
{
std::cout << "WARNING\n";
std::cout << "WARNING : the number of objectives are changing\n";
std::
cout << "WARNING : Make sure all existing objects are destroyed\n";
std::cout << "WARNING\n";
}
// number of objectives
nObj = _nObjectives;
// min/max vector
bObj = _bObjectives;
// in case the number of objectives and the min/max vector size don't match
if (nObj != bObj.size ())
throw std::
runtime_error
("Number of objectives and min/max size don't match in moeoObjectiveVectorTraits::setup");
}
/**
* Returns the number of objectives
*/
static unsigned nObjectives()
{
// in case the number of objectives would not be assigned yet
if (! nObj)
throw std::runtime_error("Number of objectives not assigned in moeoObjectiveVectorTraits");
return nObj;
}
static unsigned nObjectives ()
{
// in case the number of objectives would not be assigned yet
if (!nObj)
throw std::
runtime_error
("Number of objectives not assigned in moeoObjectiveVectorTraits");
return nObj;
}
/**
* Returns true if the _ith objective have to be minimized
* @param _i the index
*/
static bool minimizing(unsigned _i)
{
// in case the min/max vector would not be assigned yet
if (! bObj[_i])
throw std::runtime_error("We don't know if the ith objective have to be minimized or maximized in moeoObjectiveVectorTraits");
// in case there would be a wrong index
if (_i >= bObj.size())
throw std::runtime_error("Wrong index in moeoObjectiveVectorTraits");
return bObj[_i];
}
static bool minimizing (unsigned _i)
{
// in case the min/max vector would not be assigned yet
if (!bObj[_i])
throw std::
runtime_error
("We don't know if the ith objective have to be minimized or maximized in moeoObjectiveVectorTraits");
// in case there would be a wrong index
if (_i >= bObj.size ())
throw std::runtime_error ("Wrong index in moeoObjectiveVectorTraits");
return bObj[_i];
}
/**
* Returns true if the _ith objective have to be maximized
* @param _i the index
*/
static bool maximizing(unsigned _i) {
return (! minimizing(_i));
}
static bool maximizing (unsigned _i)
{
return (!minimizing (_i));
}
/**
* Returns the tolerance value (to compare solutions)
*/
static double tolerance()
{
return tol;
}
static double tolerance ()
{
return tol;
}
private:
/** The number of objectives */
static unsigned nObj;
static unsigned nObj;
/** The min/max vector */
static std::vector < bool > bObj;
static std::vector < bool > bObj;
};
#endif /*MOEOOBJECTIVEVECTORTRAITS_H_*/
#endif /*MOEOOBJECTIVEVECTORTRAITS_H_ */
// The static variables of the moeoObjectiveVectorTraits class need to be allocated
// (maybe it would have been better to put this on a moeoObjectiveVectorTraits.cpp file)
unsigned moeoObjectiveVectorTraits::nObj;
unsigned
moeoObjectiveVectorTraits::nObj;
std::vector < bool > moeoObjectiveVectorTraits::bObj;