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aeb7442d8f
Allows multi-precision work and paves the way for alternate BC's and such like allowing for example G-parity which is important for K pipi programme. In particular, can drive an extra flavour index into the fermion fields using template types.
53 lines
1.2 KiB
C++
53 lines
1.2 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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template<class Impl>
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class MobiusFermion : public CayleyFermion5D<Impl>
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{
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public:
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#include <qcd/action/fermion/FermionImplTypedefs.h>
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public:
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virtual void Instantiatable(void) {};
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// Constructors
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MobiusFermion(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 b, RealD c) :
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CayleyFermion5D<Impl>(_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<<GridLogMessage << "MobiusFermion (b="<<b<<",c="<<c<<") with Ls= "<<this->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->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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