population.h

/*
** population.h for GAEngine in /home/robin_f/Programming/Git/CPP/GANNEngine/include/GA
** 
** Made by Guillaume ROBIN
** Login   <robin_f@epitech.eu>
** 
** Started on  Wed Jul  8 14:00:38 2015 Guillaume ROBIN
** Last update Fri Aug 21 22:41:24 2015 Guillaume ROBIN
*/

#ifndef POPULATION_H_
# define POPULATION_H_

# include <vector>
# include <iostream>

# include "GA/ga_config.h"
# include "GA/population_exception.h"

namespace GA
{
  class Population
  {
  public:
    /*
    ** Constructor & Destructor.
    */
    Population(void) throw();
    Population(GAConfig const& config, unsigned int size);
    ~Population(void) throw();

    /*
    ** Overload.
    */
    Population& operator=(Population const& pop) throw();

    /*
    ** Initializer.
    */

    void    Generate(void);

    /*
    ** Getters.
    */

    unsigned int            getSize(void) const throw();
    unsigned int            getPoolSize(void) const throw();
    double              getMutationRate(void) const throw();
    double              getSelectionRate(void) const throw();
    double              getBestFitness(void) const throw();
    double              getAverageFitness(void) const throw();
    GAConfig const&     getConfig(void) const throw();
    std::list<IDNA *> const&    get(void) const throw();
    std::list<IDNA *> &     get(void) throw();

    /*
    ** Setters.
    */

    void    setSize(unsigned int size);
    void    setPoolSize(unsigned int size);
    void    setMutationRate(double rate);
    void    setSelectionRate(double rate);
    void    setConfig(GAConfig const& config);

    /*
    ** Genetic.
    */

    void    Evaluate(unsigned int nbThread);
    void    Selection(void) throw();
    void    Crossover(void);
    void    Mutation(void) throw();

  private:
    unsigned int        _size; 
    unsigned int        _pool_size; 
    double          _mutation_rate; 
    double          _selection_rate; 
    double          _best_fitness; 
    double          _avg_fitness; 
    GAConfig            _config; 
    std::list<IDNA *>           _samples; 
    std::vector<IDNA *>     _parents; 
  };

  std::ostream& operator<<(std::ostream& flux, Population const& p);
}

#endif /* !POPULATION_H_ */