added best position updating + printOn
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7d89f5a97c
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c864f2deb5
4 changed files with 24 additions and 29 deletions
24
eo/src/PO.h
24
eo/src/PO.h
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@ -135,32 +135,14 @@ public:
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bool operator< (const PO & _po2) const { return fitness () < _po2.fitness ();}
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bool operator< (const PO & _po2) const { return fitness () < _po2.fitness ();}
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bool operator> (const PO & _po2) const { return !(fitness () <= _po2.fitness ());}
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bool operator> (const PO & _po2) const { return !(fitness () <= _po2.fitness ());}
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/**
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/**
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* Write object. Called printOn since it prints the object _on_ a stream.
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* Write object. Called printOn since it prints the object _on_ a stream.
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* @param _os A std::ostream.
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* @param _os A std::ostream.
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*/
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*/
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virtual void printOn(std::ostream& _os) const {
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virtual void printOn(std::ostream& _os) const { _os << bestFitness <<' ' ;}
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// the latest version of the code. Very similar to the old code
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if (invalid()) {
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_os << "INVALID ";
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}
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else
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{
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_os << repFitness << ' ' ;
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}
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if (invalidBest()) {
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_os << "INVALID BEST";
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}
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else
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{
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_os << "best: " << bestFitness ;
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}
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}
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/**
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/**
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* Read object.\\
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* Read object.\\
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* Calls base class, just in case that one had something to do.
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* Calls base class, just in case that one had something to do.
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@ -128,17 +128,18 @@ public:
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return i;
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return i;
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}
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}
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/**
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/**
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* Update the neighborhood: update the particle's best fitness and the best particle
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* Update the neighborhood: update the particle's best fitness and the best particle
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* of the corresponding neighborhood.
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* of the corresponding neighborhood.
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*/
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*/
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void updateNeighborhood(POT & _po,unsigned _indice)
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void updateNeighborhood(POT & _po,unsigned _indice)
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{
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{
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// update the best fitness of the particle
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// update the best fitness of the particle
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if (_po.fitness() > _po.best())
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if (_po.fitness() > _po.best())
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{
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{
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_po.best(_po.fitness());
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_po.best(_po.fitness());
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for(unsigned i=0;i<_po.size();i++)
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_po.bestPositions[i]=_po[i];
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}
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}
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// update the best in its neighborhood
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// update the best in its neighborhood
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@ -149,7 +150,6 @@ public:
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}
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}
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}
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}
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/**
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/**
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* Return the best informative of a particle. Could be itself.
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* Return the best informative of a particle. Could be itself.
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* @param _indice - The indice of a particle in the population
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* @param _indice - The indice of a particle in the population
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@ -77,7 +77,7 @@ public:
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}
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}
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}
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}
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/*
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/*
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* Update the best fitness of the given particle if it's better.
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* Update the best fitness of the given particle if it's better.
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* Also replace the global best by the given particle if it's better.
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* Also replace the global best by the given particle if it's better.
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* @param _po - The particle to update
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* @param _po - The particle to update
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@ -88,7 +88,9 @@ public:
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// update the best fitness of the particle
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// update the best fitness of the particle
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if (_po.fitness() > _po.best())
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if (_po.fitness() > _po.best())
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{
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{
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_po.best(_po.fitness());
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_po.best(_po.fitness());
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for(unsigned i=0;i<_po.size();i++)
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_po.bestPositions[i]=_po[i];
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}
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}
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// update the global best if the given particle is "better"
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// update the global best if the given particle is "better"
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if (_po.fitness() > neighborhood.best().fitness())
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if (_po.fitness() > neighborhood.best().fitness())
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@ -106,7 +108,7 @@ public:
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POT & best (unsigned _indice) {return (neighborhood.best());}
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POT & best (unsigned _indice) {return (neighborhood.best());}
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/**
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/**
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* Print the structure of the topology on the standard output.
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* Print the structure of the topology on the standard output.
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* @param
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* @param
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* @return
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* @return
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@ -120,6 +122,7 @@ public:
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}
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}
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protected:
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protected:
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eoSocialNeighborhood<POT> neighborhood; // the only neighborhood
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eoSocialNeighborhood<POT> neighborhood; // the only neighborhood
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bool isSetup;
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bool isSetup;
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@ -120,6 +120,16 @@ public:
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velocities.resize (_size);
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velocities.resize (_size);
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}
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}
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/**
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* Print-on a vector-particle
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*/
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virtual void printOn(std::ostream& os) const
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{
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PO<FitT>::printOn(os);
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os << ' ';
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os << size() << ' ';
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std::copy(bestPositions.begin(), bestPositions.end(), std::ostream_iterator<AtomType>(os, " "));
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}
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/* public attributes */
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/* public attributes */
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std::vector < PositionType > bestPositions;
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std::vector < PositionType > bestPositions;
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