gradientFlow_RungeKutta_1st.h

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#ifndef GRADIENTFLOW_RUNGEKUTTA_1ST_INCLUDED
#define GRADIENTFLOW_RUNGEKUTTA_1ST_INCLUDED
 
#include "gradientFlow_RungeKutta.h"
 
#include "IO/bridgeIO.h"
using Bridge::vout;
 
 
class GradientFlow_RungeKutta_1st : public GradientFlow_RungeKutta
{
 public:
  static const std::string class_name;
 
 protected:
  Bridge::VerboseLevel m_vl;
 
 private:
  Action *m_action;
  int m_Nprec;
  int m_Ndim, m_Nvol;
 
  //- working area
  Field_G m_z0;
 
 public:
  GradientFlow_RungeKutta_1st(Action *action, const int Nprec, const Bridge::VerboseLevel vl)
    : GradientFlow_RungeKutta(action, Nprec, vl)
  {
    m_action = action;
    m_Nprec  = Nprec;
    m_Ndim   = CommonParameters::Ndim();
    m_Nvol   = CommonParameters::Nvol();
 
    m_z0.reset(m_Nvol, m_Ndim);
  }
 
  ~GradientFlow_RungeKutta_1st() {}
 
  void flow(double& t, double& Estep, Field_G& U);
 
  int Norder_RK() const { return 1; }
};
#endif