integrator_UpdateU.h

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#ifndef INTEGRATOR_UPDATEU_INCLUDED
#define INTEGRATOR_UPDATEU_INCLUDED
 
#include "integrator.h"
 
#include "IO/bridgeIO.h"
using Bridge::vout;
 
 
class Integrator_UpdateU : public Integrator
{
 public:
  static const std::string class_name;
 
  static const int default_Nprec = 8;
 
 private:
  int m_Nprec;                          // precision of exponential series
 
  std::vector<Director *> m_director;   // directors
  std::vector<Integrator *> m_integs;   // list of update_p to send notification
 
 public:
  Integrator_UpdateU(const std::vector<Director *>& director = std::vector<Director *>())
    : m_Nprec(default_Nprec), m_director(director), m_integs()
  {}
 
  ~Integrator_UpdateU() {}
 
  void set_parameters(const Parameters& params);
  void set_parameters(const int Nprec);
 
  void set_parameter_Nprec(const int Nprec);
 
  void get_parameters(Parameters& params) const;
 
  void evolve(const double step_size, Field_G& iP, Field_G& U);
 
 
  // cache management
  void invalidate_cache()
  {
    // lowest level. do nothing.
  }
 
  void append_notify(Integrator *const integ)
  {
    m_integs.push_back(integ);
  }
 
  void notify_update();
};
#endif