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paboyle
2018-01-14 23:18:46 +00:00
parent f450857716
commit c98657d588
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71
lib/qcd/action/fermion/OverlapWilsonContfracTanhFermion.h
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@@ -1,4 +1,4 @@
/*************************************************************************************
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
@@ -24,48 +24,47 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
*************************************************************************************/
/* END LEGAL */
#ifndef OVERLAP_WILSON_CONTFRAC_TANH_FERMION_H
#define OVERLAP_WILSON_CONTFRAC_TANH_FERMION_H
#include <Grid/qcd/action/fermion/FermionCore.h>
namespace Grid {
NAMESPACE_BEGIN(Grid);
namespace QCD {
template<class Impl>
class OverlapWilsonContFracTanhFermion : public ContinuedFractionFermion5D<Impl>
{
public:
INHERIT_IMPL_TYPES(Impl);
public:
template<class Impl>
class OverlapWilsonContFracTanhFermion : public ContinuedFractionFermion5D<Impl>
{
public:
INHERIT_IMPL_TYPES(Impl);
public:
virtual void Instantiatable(void){};
// Constructors
OverlapWilsonContFracTanhFermion(GaugeField &_Umu,
GridCartesian &FiveDimGrid,
GridRedBlackCartesian &FiveDimRedBlackGrid,
GridCartesian &FourDimGrid,
GridRedBlackCartesian &FourDimRedBlackGrid,
RealD _mass,RealD _M5,
RealD scale,const ImplParams &p= ImplParams()) :
virtual void Instantiatable(void){};
// Constructors
OverlapWilsonContFracTanhFermion(GaugeField &_Umu,
GridCartesian &FiveDimGrid,
GridRedBlackCartesian &FiveDimRedBlackGrid,
GridCartesian &FourDimGrid,
GridRedBlackCartesian &FourDimRedBlackGrid,
RealD _mass,RealD _M5,
RealD scale,const ImplParams &p= ImplParams()) :
// b+c=scale, b-c = 0 <=> b =c = scale/2
ContinuedFractionFermion5D<Impl>(_Umu,
FiveDimGrid,
FiveDimRedBlackGrid,
FourDimGrid,
FourDimRedBlackGrid,_mass,_M5,p)
{
assert((this->Ls&0x1)==1); // Odd Ls required
int nrational=this->Ls-1;// Even rational order
Approx::zolotarev_data *zdata = Approx::higham(1.0,nrational);// eps is ignored for higham
this->SetCoefficientsTanh(zdata,scale);
Approx::zolotarev_free(zdata);
}
};
// b+c=scale, b-c = 0 <=> b =c = scale/2
ContinuedFractionFermion5D<Impl>(_Umu,
FiveDimGrid,
FiveDimRedBlackGrid,
FourDimGrid,
FourDimRedBlackGrid,_mass,_M5,p)
{
assert((this->Ls&0x1)==1); // Odd Ls required
int nrational=this->Ls-1;// Even rational order
Approx::zolotarev_data *zdata = Approx::higham(1.0,nrational);// eps is ignored for higham
this->SetCoefficientsTanh(zdata,scale);
Approx::zolotarev_free(zdata);
}
}
};
NAMESPACE_END(Grid);
#endif