population.h

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#if !defined(VITA_POPULATION_H)
#define      VITA_POPULATION_H
 
#include <fstream>
 
#include "kernel/environment.h"
#include "kernel/log.h"
#include "kernel/problem.h"
#include "kernel/random.h"
 
namespace vita
{
template<class T>
class population
{
public:
  explicit population(const problem &);
 
  struct coord;
  using layer_t = std::vector<T>;
  T &operator[](coord);
  const T &operator[](coord) const;
 
  unsigned individuals() const;
  unsigned individuals(unsigned) const;
  unsigned allowed(unsigned) const;
 
  void init_layer(unsigned);
  void add_layer();
  unsigned layers() const;
  void add_to_layer(unsigned, const T &);
  void pop_from_layer(unsigned);
  void remove_layer(unsigned);
  void set_allowed(unsigned, unsigned);
 
  void inc_age();
 
  const problem &get_problem() const;
 
  bool is_valid() const;
 
  // Iterators.
  template<bool> class base_iterator;
  using const_iterator = base_iterator<true>;
  using iterator = base_iterator<false>;
 
  const_iterator begin() const;
  const_iterator end() const;
 
  // Serialization.
  bool load(std::istream &, const problem &);
  bool save(std::ostream &) const;
 
private:
 
  const problem *prob_;
 
  std::vector<layer_t> pop_;
  std::vector<unsigned> allowed_;
};
 
template<class T> typename population<T>::coord pickup(const population<T> &);
template<class T> typename population<T>::coord pickup(
  const population<T> &, typename population<T>::coord);
 
#include "kernel/population_coord.tcc"
#include "kernel/population_iterator.tcc"
#include "kernel/population.tcc"
 
}  // namespace vita
 
#endif  // include guard