evolution_selection.h

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#if !defined(VITA_EVOLUTION_SELECTION_H)
#define      VITA_EVOLUTION_SELECTION_H
 
#include <set>
 
#include "kernel/alps.h"
#include "kernel/population.h"
 
namespace vita::selection
{
 
template<class T>
class strategy
{
public:
  using parents_t = std::vector<typename population<T>::coord>;
 
  strategy(const population<T> &, evaluator<T> &, const summary<T> &);
 
protected:
  const population<T> &pop_;
  evaluator<T>        &eva_;
  const summary<T>    &sum_;
};
 
template<class T>
class tournament : public strategy<T>
{
public:
  using tournament::strategy::strategy;
 
  typename strategy<T>::parents_t run();
};
 
template<class T>
class alps : public strategy<T>
{
public:
  using alps::strategy::strategy;
 
  typename strategy<T>::parents_t run();
 
private:
  [[nodiscard]] bool aged(const typename population<T>::coord &) const;
  [[nodiscard]] typename population<T>::coord pickup(unsigned,
                                                     double = 1.0) const;
};
 
template<class T>
class pareto : public strategy<T>
{
public:
  using pareto::strategy::strategy;
 
  typename strategy<T>::parents_t run();
 
private:
  void front(const std::vector<unsigned> &, std::set<unsigned> *,
             std::set<unsigned> *) const;
};
 
template<class T>
class random : public strategy<T>
{
public:
  using random::strategy::strategy;
 
  typename strategy<T>::parents_t run();
};
 
#include "kernel/evolution_selection.tcc"
 
}  // namespace vita::selection
 
#endif  // include guard