evolution.h

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#if !defined(VITA_EVOLUTION_H)
#define      VITA_EVOLUTION_H
 
#include <algorithm>
#include <csignal>
 
#include "kernel/evaluator_proxy.h"
#include "kernel/evolution_strategy.h"
#include "kernel/evolution_summary.h"
#include "kernel/population.h"
#include "utility/timer.h"
 
namespace vita
{
template<class T, template<class> class ES>
class evolution
{
public:
  using after_generation_callback_t = std::function<void(const population<T> &,
                                                         const summary<T> &)>;
 
  evolution(const problem &, evaluator<T> &);
 
  evolution &after_generation(after_generation_callback_t);
 
  const summary<T> &run(unsigned);
  template<class S> const summary<T> &run(unsigned, S);
 
  bool is_valid() const;
 
private:
  // *** Support methods ***
  analyzer<T> get_stats() const;
  void log_evolution(unsigned) const;
  void print_progress(unsigned, unsigned, bool, timer *) const;
  bool stop_condition(const summary<T> &) const;
 
  // *** Data members ***
  population<T> pop_;
  evaluator<T> &eva_;
  summary<T>  stats_;
  ES<T>          es_;
 
  after_generation_callback_t after_generation_callback_;
};
 
#include "kernel/evolution.tcc"
 
}  // namespace vita
 
#endif  // include guard