optimiser.hpp

Go to the documentation of this file.

#pragma once

#include "pass_bits/problem.hpp"
#include "pass_bits/helper/stopwatch.hpp"
#include "pass_bits/config.hpp"
#include <stdexcept> // throw error
#include <chrono>    // std::chrono
#include <armadillo> // std::arma::vec, arma::uword
#include <cassert>   // assert
#include <string>    // name

#if defined(SUPPORT_OPENMP)
#include <omp.h>
#endif

#if defined(SUPPORT_MPI)
#include <mpi.h>
#endif

namespace pass
{
struct optimise_result
{
  arma::vec normalised_agent;

  double fitness_value;

  const double acceptable_fitness_value;

  const pass::problem &problem;

  arma::uword iterations;

  arma::uword evaluations;

  std::chrono::nanoseconds duration;

  optimise_result(const pass::problem &problem,
                  const double acceptable_fitness_value) noexcept;

  bool solved() const;

  arma::vec agent() const;
};

class optimiser
{
public:
  double acceptable_fitness_value;

  arma::uword maximal_iterations;

  arma::uword maximal_evaluations;

  std::chrono::nanoseconds maximal_duration;

  const std::string name;

  optimiser(const std::string &name);

  virtual optimise_result optimise(const pass::problem &problem) = 0;
};

} // namespace pass