integrator_UpdateP.h

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#ifndef INTEGRATOR_UPDATEP_INCLUDED
#define INTEGRATOR_UPDATEP_INCLUDED

#include "integrator.h"

#include "IO/bridgeIO.h"
using Bridge::vout;


class Integrator_UpdateP : public Integrator
{
 public:
  static const std::string class_name;

 private:
  std::vector<Action *> m_action;     // actions

  // work area
  Field_G m_workfield;

  // cache
  Field_G m_force;

  bool m_cache_valid;


 public:
  Integrator_UpdateP(const std::vector<Action *>& action)
    : m_action(action), m_cache_valid(false)
  {
    m_force.reset(CommonParameters::Nvol(), CommonParameters::Ndim());
    m_workfield.reset(CommonParameters::Nvol(), CommonParameters::Ndim());
  }

  ~Integrator_UpdateP() {}

  void set_parameters(const Parameters& params);
  void set_parameters();

  void evolve(const double step_size, Field_G& iP, Field_G& U);

 public:
  void invalidate_cache() { m_cache_valid = false; }

  bool is_cache_valid() const { return m_cache_valid; }
  void cache_validated() { m_cache_valid = true; }
};
#endif