MultiObjectiveSolver.hpp

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#ifndef DART_OPTIMIZER_MULTIOBJECTIVESOLVER_HPP_
#define DART_OPTIMIZER_MULTIOBJECTIVESOLVER_HPP_
 
#include <iostream>
#include <memory>
#include <vector>
 
#include <Eigen/Dense>
 
#include "dart/optimizer/Population.hpp"
 
namespace dart {
namespace optimizer {
 
class MultiObjectiveProblem;
 
class MultiObjectiveSolver
{
public:
  struct Properties
  {
    std::shared_ptr<MultiObjectiveProblem> mProblem;
 
    std::size_t mNumPopulations;
 
    std::size_t mPopulationSize;
 
    double mTolerance;
 
    std::size_t mIterationsPerEvolution;
 
    std::size_t mIterationsPerPrint;
 
    std::ostream* mOutStream;
 
    bool mPrintFinalResult;
 
    Properties(
        std::shared_ptr<MultiObjectiveProblem> problem = nullptr,
        std::size_t numPopulations = 1u,
        std::size_t populationSize = 100u,
        double tolerance = 1e-9,
        std::size_t numMaxIterations = 500u,
        std::size_t iterationsPerPrint = 0u,
        std::ostream* ostream = &std::cout,
        bool printFinalResult = false);
  };
 
  explicit MultiObjectiveSolver(const Properties& properties = Properties());
 
  virtual ~MultiObjectiveSolver() = default;
 
  virtual bool solve(std::size_t numEvolutions = 1u) = 0;
 
  virtual std::string getType() const = 0;
 
  virtual std::shared_ptr<MultiObjectiveSolver> clone() const = 0;
 
  void setProperties(const Properties& properties);
 
  const Properties& getSolverProperties() const;
 
  virtual void setProblem(std::shared_ptr<MultiObjectiveProblem> problem);
 
  std::shared_ptr<MultiObjectiveProblem> getProblem() const;
 
 
  void setPopulationSize(std::size_t size);
 
  std::size_t getPopulationSize() const;
 
  void setNumPopulations(std::size_t size);
 
  std::size_t getNumPopulations() const;
 
  const Population& getPopulation(std::size_t index) const;
 
  const std::vector<Population>& getPopulations() const;
 
 
  void setNumIterationsPerEvolution(std::size_t maxIterations);
 
  std::size_t getNumIterationsPerEvolution() const;
 
protected:
  Properties mProperties;
 
  std::vector<Population> mPopulations;
};
 
} // namespace optimizer
} // namespace dart
 
#endif // DART_OPTIMIZER_MULTIOBJECTIVESOLVER_HPP_