mirror of
https://github.com/paboyle/Grid.git
synced 2024-09-21 01:25:48 +01:00
47 lines
1006 B
C++
47 lines
1006 B
C++
#ifndef GRID_QCD_MOBIUS_FERMION_H
|
|
#define GRID_QCD_MOBIUS_FERMION_H
|
|
|
|
#include <Grid.h>
|
|
|
|
namespace Grid {
|
|
|
|
namespace QCD {
|
|
|
|
class MobiusFermion : public CayleyFermion5D
|
|
{
|
|
public:
|
|
|
|
// Constructors
|
|
MobiusFermion(LatticeGaugeField &_Umu,
|
|
GridCartesian &FiveDimGrid,
|
|
GridRedBlackCartesian &FiveDimRedBlackGrid,
|
|
GridCartesian &FourDimGrid,
|
|
GridRedBlackCartesian &FourDimRedBlackGrid,
|
|
RealD _mass,RealD _M5,
|
|
RealD b, RealD c) :
|
|
|
|
CayleyFermion5D(_Umu,
|
|
FiveDimGrid,
|
|
FiveDimRedBlackGrid,
|
|
FourDimGrid,
|
|
FourDimRedBlackGrid,_mass,_M5)
|
|
|
|
{
|
|
RealD eps = 1.0;
|
|
|
|
std::cout << "MobiusFermion (b="<<b<<",c="<<c<<") with Ls= "<<Ls<<" Tanh approx"<<std::endl;
|
|
Approx::zolotarev_data *zdata = Approx::grid_higham(eps,this->Ls);// eps is ignored for higham
|
|
assert(zdata->n==this->Ls);
|
|
|
|
// Call base setter
|
|
this->CayleyFermion5D::SetCoefficients(1.0,zdata,b,c);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
}
|
|
}
|
|
|
|
#endif
|