bipopcmastrategy.h

 
#ifndef BIPOPCMASTRATEGY_H
#define BIPOPCMASTRATEGY_H
 
#include <libcmaes/ipopcmastrategy.h>
#include <random>
 
namespace libcmaes
{
  template <class TCovarianceUpdate, class TGenoPheno>
    class CMAES_EXPORT BIPOPCMAStrategy : public IPOPCMAStrategy<TCovarianceUpdate,TGenoPheno>
  {
  public:
    BIPOPCMAStrategy(FitFunc &func,
             CMAParameters<TGenoPheno> &parameters);
 
    BIPOPCMAStrategy(FitFunc &func,
             CMAParameters<TGenoPheno> &parameters,
             const CMASolutions &solutions);
    
    ~BIPOPCMAStrategy();
 
    void tell();
 
    int optimize(const EvalFunc &evalf,const AskFunc &askf,const TellFunc &tellf);
 
    int optimize()
    {
      return optimize(std::bind(&BIPOPCMAStrategy<TCovarianceUpdate,TGenoPheno>::eval,this,std::placeholders::_1,std::placeholders::_2),
              std::bind(&BIPOPCMAStrategy<TCovarianceUpdate,TGenoPheno>::ask,this),
              std::bind(&BIPOPCMAStrategy<TCovarianceUpdate,TGenoPheno>::tell,this));
    }
    
  protected:
    void r1();
    void r2();
 
  private:
    std::mt19937 _gen;
    std::uniform_real_distribution<> _unif;
    double _lambda_def;
    double _lambda_l;
    double _sigma_init; // to save the original value
    double _max_fevals; // to save the original value
  };
}
 
#endif