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52 lines
1.0 KiB
C++
52 lines
1.0 KiB
C++
#ifndef GRID_QCD_DOMAIN_WALL_FERMION_H
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#define GRID_QCD_DOMAIN_WALL_FERMION_H
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#include <Grid.h>
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namespace Grid {
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namespace QCD {
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class ScaledShamirFermion : public CayleyFermion5D
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{
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public:
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// Constructors
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ScaledShamirFermion(LatticeGaugeField &_Umu,
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GridCartesian &FiveDimGrid,
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GridRedBlackCartesian &FiveDimRedBlackGrid,
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GridCartesian &FourDimGrid,
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GridRedBlackCartesian &FourDimRedBlackGrid,
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RealD _mass,RealD _M5, RealD scale) :
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CayleyFermion5D(_Umu,
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FiveDimGrid,
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FiveDimRedBlackGrid,
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FourDimGrid,
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FourDimRedBlackGrid,_mass,_M5,
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RealD b,
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RealD c)
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{
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RealD eps = 1.0;
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Approx::zolotarev_data *zdata = Approx::grid_higham(eps,this->Ls);// eps is ignored for higham
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assert(zdata->n==this->Ls);
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//b+c = scale;
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//b-c = 1
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//b = 0.5(scale+1);
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//c = 0.5(scale-1);
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// Call base setter
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this->CayleyFermion5D::SetCoefficients(1.0,zdata,0.5*(scale+1.0),0.5*(scale-1.0));
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}
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};
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}
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}
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#endif
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