added best position updating + printOn

This commit is contained in:
tlegrand 2007-10-08 15:22:25 +00:00
commit c864f2deb5
4 changed files with 24 additions and 29 deletions

View file

@ -135,32 +135,14 @@ public:
bool operator< (const PO & _po2) const { return fitness () < _po2.fitness ();}
bool operator> (const PO & _po2) const { return !(fitness () <= _po2.fitness ());}
/**
/**
* Write object. Called printOn since it prints the object _on_ a stream.
* @param _os A std::ostream.
*/
virtual void printOn(std::ostream& _os) const {
virtual void printOn(std::ostream& _os) const { _os << bestFitness <<' ' ;}
// the latest version of the code. Very similar to the old code
if (invalid()) {
_os << "INVALID ";
}
else
{
_os << repFitness << ' ' ;
}
if (invalidBest()) {
_os << "INVALID BEST";
}
else
{
_os << "best: " << bestFitness ;
}
}
/**
* Read object.\\
* Calls base class, just in case that one had something to do.

View file

@ -128,17 +128,18 @@ public:
return i;
}
/**
/**
* Update the neighborhood: update the particle's best fitness and the best particle
* of the corresponding neighborhood.
*/
void updateNeighborhood(POT & _po,unsigned _indice)
{
{
// update the best fitness of the particle
if (_po.fitness() > _po.best())
{
_po.best(_po.fitness());
_po.best(_po.fitness());
for(unsigned i=0;i<_po.size();i++)
_po.bestPositions[i]=_po[i];
}
// update the best in its neighborhood
@ -149,7 +150,6 @@ public:
}
}
/**
* Return the best informative of a particle. Could be itself.
* @param _indice - The indice of a particle in the population

View file

@ -77,7 +77,7 @@ public:
}
}
/*
/*
* Update the best fitness of the given particle if it's better.
* Also replace the global best by the given particle if it's better.
* @param _po - The particle to update
@ -88,7 +88,9 @@ public:
// update the best fitness of the particle
if (_po.fitness() > _po.best())
{
_po.best(_po.fitness());
_po.best(_po.fitness());
for(unsigned i=0;i<_po.size();i++)
_po.bestPositions[i]=_po[i];
}
// update the global best if the given particle is "better"
if (_po.fitness() > neighborhood.best().fitness())
@ -106,7 +108,7 @@ public:
POT & best (unsigned _indice) {return (neighborhood.best());}
/**
/**
* Print the structure of the topology on the standard output.
* @param
* @return
@ -120,6 +122,7 @@ public:
}
protected:
eoSocialNeighborhood<POT> neighborhood; // the only neighborhood
bool isSetup;

View file

@ -120,6 +120,16 @@ public:
velocities.resize (_size);
}
/**
* Print-on a vector-particle
*/
virtual void printOn(std::ostream& os) const
{
PO<FitT>::printOn(os);
os << ' ';
os << size() << ' ';
std::copy(bestPositions.begin(), bestPositions.end(), std::ostream_iterator<AtomType>(os, " "));
}
/* public attributes */
std::vector < PositionType > bestPositions;