Population.hpp

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#ifndef DART_OPTIMIZER_POPULATION_HPP_
#define DART_OPTIMIZER_POPULATION_HPP_
 
#include <iostream>
#include <memory>
#include <random>
 
#include <Eigen/Dense>
 
#include "dart/optimizer/MultiObjectiveProblem.hpp"
 
namespace dart {
namespace optimizer {
 
class MultiObjectiveProblem;
 
class Population
{
public:
  Population(
      std::shared_ptr<MultiObjectiveProblem> problem,
      std::size_t populationSize = 0u);
 
  MultiObjectiveProblem* getProblem();
 
  const MultiObjectiveProblem* getProblem() const;
 
  void pushBack(const Eigen::VectorXd& x);
 
  void pushBack(const Eigen::VectorXd& x, const Eigen::VectorXd& f);
 
  void set(std::size_t index, const Eigen::VectorXd& x);
 
  void set(
      std::size_t index, const Eigen::VectorXd& x, const Eigen::VectorXd& f);
 
  std::size_t getSize() const;
 
  Eigen::VectorXd getDecisionVector(std::size_t index) const;
 
  Eigen::VectorXd getFitnessVector(std::size_t index) const;
 
  std::ostream& print(std::ostream& os) const;
 
protected:
  std::shared_ptr<MultiObjectiveProblem> mProblem;
 
  Eigen::MatrixXd mPopulation;
 
  Eigen::MatrixXd mFitness;
};
 
} // namespace optimizer
} // namespace dart
 
#endif // DART_OPTIMIZER_POPULATION_HPP_