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47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
#ifndef OVERLAP_WILSON_PARTFRAC_ZOLOTAREV_FERMION_H
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#define OVERLAP_WILSON_PARTFRAC_ZOLOTAREV_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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template<class Impl>
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class OverlapWilsonPartialFractionZolotarevFermion : public PartialFractionFermion5D<Impl>
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{
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public:
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INHERIT_IMPL_TYPES(Impl);
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virtual void Instantiatable(void){};
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// Constructors
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OverlapWilsonPartialFractionZolotarevFermion(GaugeField &_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 lo,RealD hi,const ImplParams &p= ImplParams()):
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// b+c=scale, b-c = 0 <=> b =c = scale/2
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PartialFractionFermion5D<Impl>(_Umu,
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FiveDimGrid,
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FiveDimRedBlackGrid,
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FourDimGrid,
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FourDimRedBlackGrid,_mass,_M5,p)
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{
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assert((this->Ls&0x1)==1); // Odd Ls required
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int nrational=this->Ls;// Odd rational order
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RealD eps = lo/hi;
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Approx::zolotarev_data *zdata = Approx::zolotarev(eps,nrational,0);
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this->SetCoefficientsZolotarev(hi,zdata);
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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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