solver_settings.hpp

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#ifndef CGMRES__SOLVER_SETTINGS_HPP_
#define CGMRES__SOLVER_SETTINGS_HPP_
 
#include <iostream>
 
#include "cgmres/types.hpp"
 
namespace cgmres {
 
struct SolverSettings {
  size_t max_iter = 100;
 
  Scalar opterr_tol = 1.0e-04;
 
  Scalar finite_difference_epsilon = 1.0e-08;
 
  Scalar sampling_time = 0.001; 
 
  Scalar zeta = 1000.0; 
 
  Scalar min_dummy = 1.0e-03;
 
  size_t verbose_level = 0;
 
  bool profile_solver = true;
 
  void disp(std::ostream& os) const {
    os << "Soler settings: " << std::endl; 
    os << "  max iter:                  " << max_iter << std::endl;
    os << "  opterr tol:                " << opterr_tol << std::endl;
    os << "  finite difference epsilon: " << finite_difference_epsilon << std::endl;
    os << "  sampling_time:             " << sampling_time << std::endl;
    os << "  zeta:                      " << zeta << std::endl;
    os << "  min dummy:                 " << min_dummy << std::endl;
    os << "  verbose level:             " << verbose_level << std::endl;
    os << "  profile solver:            " << std::boolalpha << profile_solver << std::endl;
  }
 
  friend std::ostream& operator<<(std::ostream& os, const SolverSettings& settings) {
    settings.disp(os);
    return os;
  }
};
 
} // namespace cgmres
 
#endif // CGMRES__SOLVER_SETTINGS_HPP_