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50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
#ifndef GRID_QCD_MOBIUS_FERMION_H
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#define GRID_QCD_MOBIUS_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 MobiusFermion : public CayleyFermion5D
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{
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public:
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virtual void Instantiatable(void) {};
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// Constructors
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MobiusFermion(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,
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RealD b, RealD c) :
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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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{
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RealD eps = 1.0;
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std::cout << "MobiusFermion (b="<<b<<",c="<<c<<") with Ls= "<<Ls<<" Tanh approx"<<std::endl;
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Approx::zolotarev_data *zdata = Approx::higham(eps,this->Ls);// eps is ignored for higham
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assert(zdata->n==this->Ls);
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// Call base setter
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this->CayleyFermion5D::SetCoefficientsTanh(zdata,b,c);
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Approx::zolotarev_free(zdata);
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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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