energyDensity.h

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#ifndef ENERGYDENSITY_INCLUDED
#define ENERGYDENSITY_INCLUDED

#include "fieldStrength.h"

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


class EnergyDensity
{
 public:
  static const std::string class_name;

 protected:
  Bridge::VerboseLevel m_vl;

 private:
  std::string m_filename_output;

  double m_c_plaq;
  double m_c_rect;

  FieldStrength m_field_strength;
  Staple_lex m_staple;


 public:
  EnergyDensity()
    : m_vl(CommonParameters::Vlevel())
  {
    m_filename_output = "stdout";
  }

  virtual ~EnergyDensity() {}

 private:
  // non-copyable
  EnergyDensity(const EnergyDensity&);
  EnergyDensity& operator=(const EnergyDensity&);


 public:
  virtual void set_parameters(const Parameters& params);
  void set_parameters(const double c_plaq, const double c_rect);

  void set_parameter_verboselevel(const Bridge::VerboseLevel vl) { m_vl = vl; }

  double E_plaq(const Field_G& U);
  double E_clover(const Field_G& U);
};
#endif