add moeoVector
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branches/paradiseo-moeo-1.0/src/moeoVector.h
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branches/paradiseo-moeo-1.0/src/moeoVector.h
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// moeoVector.h
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// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007
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/*
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This library...
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Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
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*/
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//-----------------------------------------------------------------------------
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#ifndef MOEOVECTOR_H_
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#define MOEOVECTOR_H_
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#include <vector>
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#include <iterator>
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#include <MOEO.h>
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/**
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* Base class for fixed length chromosomes, just derives from MOEO and std::vector and redirects the smaller than operator to MOEO (objective vector based comparison).
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* GeneType must have the following methods: void ctor (needed for the std::vector<>), copy ctor.
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*/
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template < class MOEOObjectiveVector, class MOEOFitness, class MOEODiversity, class GeneType >
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class moeoVector : public MOEO < MOEOObjectiveVector, MOEOFitness, MOEODiversity >, public std::vector < GeneType >
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{
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public:
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using MOEO < MOEOObjectiveVector, MOEOFitness, MOEODiversity > :: invalidate;
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using std::vector < GeneType > :: operator[];
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using std::vector < GeneType > :: begin;
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using std::vector < GeneType > :: end;
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using std::vector < GeneType > :: resize;
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using std::vector < GeneType > :: size;
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/** the atomic type */
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typedef GeneType AtomType;
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/** the container type */
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typedef std::vector < GeneType > ContainerType;
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/**
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* Default ctor.
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* @param _size Length of vector (default is 0)
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* @param _value Initial value of all elements (default is default value of type GeneType)
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*/
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moeoVector(unsigned _size = 0, GeneType _value = GeneType()) :
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MOEO < MOEOObjectiveVector, MOEOFitness, MOEODiversity >(), std::vector<GeneType>(_size, _value)
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{}
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/**
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* We can't have a Ctor from a std::vector as it would create ambiguity with the copy Ctor.
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* @param _v a vector of GeneType
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*/
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void value(const std::vector < GeneType > & _v)
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{
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if (_v.size() != size()) // safety check
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{
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if (size()) // NOT an initial empty std::vector
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{
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std::cout << "Warning: Changing size in moeoVector assignation"<<std::endl;
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resize(_v.size());
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}
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}
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std::copy(_v.begin(), _v.end(), begin());
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invalidate();
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}
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/**
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* To avoid conflicts between MOEO::operator< and std::vector<GeneType>::operator<
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* @param _moeo the object to compare with
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*/
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bool operator<(const moeoVector< MOEOObjectiveVector, MOEOFitness, MOEODiversity, GeneType> & _moeo) const
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{
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return MOEO < MOEOObjectiveVector, MOEOFitness, MOEODiversity >::operator<(_moeo);
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}
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/**
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* Writing object
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* @param _os output stream
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*/
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virtual void printOn(std::ostream & _os) const
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{
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MOEO < MOEOObjectiveVector, MOEOFitness, MOEODiversity >::printOn(_os);
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_os << ' ';
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_os << size() << ' ';
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std::copy(begin(), end(), std::ostream_iterator<AtomType>(_os, " "));
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}
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/**
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* Reading object
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* @param _is input stream
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*/
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virtual void readFrom(std::istream & _is)
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{
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MOEO < MOEOObjectiveVector, MOEOFitness, MOEODiversity >::readFrom(_is);
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unsigned sz;
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_is >> sz;
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resize(sz);
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unsigned i;
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for (i = 0; i < sz; ++i)
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{
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AtomType atom;
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_is >> atom;
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operator[](i) = atom;
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}
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}
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};
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/**
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* To avoid conflicts between MOEO::operator< and std::vector<double>::operator<
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* @param _moeo1 the first object to compare
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* @param _moeo2 the second object to compare
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*/
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template < class MOEOObjectiveVector, class MOEOFitness, class MOEODiversity, class GeneType >
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bool operator<(const moeoVector< MOEOObjectiveVector, MOEOFitness, MOEODiversity, GeneType> & _moeo1, const moeoVector< MOEOObjectiveVector, MOEOFitness, MOEODiversity, GeneType> & _moeo2)
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{
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return _moeo1.operator<(_moeo2);
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}
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/**
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* To avoid conflicts between MOEO::operator> and std::vector<double>::operator>
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* @param _moeo1 the first object to compare
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* @param _moeo2 the second object to compare
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*/
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template < class MOEOObjectiveVector, class MOEOFitness, class MOEODiversity, class GeneType >
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bool operator>(const moeoVector< MOEOObjectiveVector, MOEOFitness, MOEODiversity, GeneType> & _moeo1, const moeoVector< MOEOObjectiveVector, MOEOFitness, MOEODiversity, GeneType> & _moeo2)
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{
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return _moeo1.operator>(_moeo2);
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}
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/**
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* This class is an implementationeo of a simple double-valued moeoVector.
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*/
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template < class MOEOObjectiveVector, class MOEOFitness, class MOEODiversity >
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class moeoRealVector : public moeoVector < MOEOObjectiveVector, MOEOFitness, MOEODiversity, double >
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{
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public:
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/**
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* Ctor
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* @param _size Length of vector (default is 0)
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* @param _value Initial value of all elements (default is default value of type GeneType)
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*/
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moeoRealVector(unsigned _size = 0, double _value = 0.0) : moeoVector< MOEOObjectiveVector, MOEOFitness, MOEODiversity, double >(_size, _value)
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{}
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};
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/**
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* This class is an implementationeo of a simple bit-valued moeoVector.
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*/
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template < class MOEOObjectiveVector, class MOEOFitness, class MOEODiversity >
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class moeoBitVector : public moeoVector < MOEOObjectiveVector, MOEOFitness, MOEODiversity, bool >
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{
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public:
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using moeoVector < MOEOObjectiveVector, MOEOFitness, MOEODiversity, bool > :: begin;
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using moeoVector < MOEOObjectiveVector, MOEOFitness, MOEODiversity, bool > :: end;
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using moeoVector < MOEOObjectiveVector, MOEOFitness, MOEODiversity, bool > :: resize;
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using moeoVector < MOEOObjectiveVector, MOEOFitness, MOEODiversity, bool > :: size;
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/**
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* Ctor
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* @param _size Length of vector (default is 0)
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* @param _value Initial value of all elements (default is default value of type GeneType)
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*/
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moeoBitVector(unsigned _size = 0, bool _value = false) : moeoVector< MOEOObjectiveVector, MOEOFitness, MOEODiversity, bool >(_size, _value)
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{}
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/**
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* Writing object
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* @param _os output stream
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*/
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virtual void printOn(std::ostream & _os) const
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{
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MOEO < MOEOObjectiveVector, MOEOFitness, MOEODiversity >::printOn(_os);
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_os << ' ';
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_os << size() << ' ';
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std::copy(begin(), end(), std::ostream_iterator<bool>(_os));
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}
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/**
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* Reading object
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* @param _is input stream
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*/
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virtual void readFrom(std::istream & _is)
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{
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MOEO < MOEOObjectiveVector, MOEOFitness, MOEODiversity >::readFrom(_is);
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unsigned s;
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_is >> s;
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std::string bits;
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_is >> bits;
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if (_is)
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{
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resize(bits.size());
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std::transform(bits.begin(), bits.end(), begin(), std::bind2nd(std::equal_to<char>(), '1'));
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}
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}
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};
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#endif /*MOEOVECTOR_H_*/
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