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Starting Clover term

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This commit is contained in:
Guido Cossu 2017-03-24 12:43:28 +09:00
parent dfefc70b57
commit a04eb7df5d
3 changed files with 177 additions and 0 deletions
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3
.vscode/settings.json vendored Normal file
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// Place your settings in this file to overwrite default and user settings.
{
}

98
lib/qcd/action/fermion/WilsonCloverFermion.cc Normal file
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/qcd/action/fermion/WilsonTMFermion.cc
Copyright (C) 2015
Author: paboyle <paboyle@ph.ed.ac.uk>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
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 */
#include <Grid/Grid.h>
namespace Grid {
namespace QCD {
/*
* BF sequence
*
void bfmbase<Float>::MooeeInv(Fermion_t psi,
Fermion_t chi,
int dag, int cb)
double m = this->mass;
double tm = this->twistedmass;
double mtil = 4.0+this->mass;
double sq = mtil*mtil + tm*tm;
double a = mtil/sq;
double b = -tm /sq;
if(dag) b=-b;
axpibg5x(chi,psi,a,b);
void bfmbase<Float>::Mooee(Fermion_t psi,
Fermion_t chi,
int dag,int cb)
double a = 4.0+this->mass;
double b = this->twistedmass;
if(dag) b=-b;
axpibg5x(chi,psi,a,b);
*/
template<class Impl>
void WilsonTMFermion<Impl>::Mooee(const FermionField &in, FermionField &out) {
RealD a = 4.0+this->mass;
RealD b = this->mu;
out.checkerboard = in.checkerboard;
axpibg5x(out,in,a,b);
}
template<class Impl>
void WilsonTMFermion<Impl>::MooeeDag(const FermionField &in, FermionField &out) {
RealD a = 4.0+this->mass;
RealD b = -this->mu;
out.checkerboard = in.checkerboard;
axpibg5x(out,in,a,b);
}
template<class Impl>
void WilsonTMFermion<Impl>::MooeeInv(const FermionField &in, FermionField &out) {
RealD m = this->mass;
RealD tm = this->mu;
RealD mtil = 4.0+this->mass;
RealD sq = mtil*mtil+tm*tm;
RealD a = mtil/sq;
RealD b = -tm /sq;
axpibg5x(out,in,a,b);
}
template<class Impl>
void WilsonTMFermion<Impl>::MooeeInvDag(const FermionField &in, FermionField &out) {
RealD m = this->mass;
RealD tm = this->mu;
RealD mtil = 4.0+this->mass;
RealD sq = mtil*mtil+tm*tm;
RealD a = mtil/sq;
RealD b = tm /sq;
axpibg5x(out,in,a,b);
}
FermOpTemplateInstantiate(WilsonTMFermion);
}
}

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lib/qcd/action/fermion/WilsonCloverFermion.h Normal file
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/qcd/action/fermion/WilsonTMFermion.h
Copyright (C) 2015
Author: paboyle <paboyle@ph.ed.ac.uk>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
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 */
#ifndef GRID_QCD_WILSON_TM_FERMION_H
#define GRID_QCD_WILSON_TM_FERMION_H
#include <Grid/Grid.h>
namespace Grid {
namespace QCD {
template<class Impl>
class WilsonTMFermion : public WilsonFermion<Impl>
{
public:
INHERIT_IMPL_TYPES(Impl);
public:
virtual void Instantiatable(void) {};
// Constructors
WilsonTMFermion(GaugeField &_Umu,
GridCartesian &Fgrid,
GridRedBlackCartesian &Hgrid,
RealD _mass,
RealD _mu,
const ImplParams &p= ImplParams()
) :
WilsonFermion<Impl>(_Umu,
Fgrid,
Hgrid,
_mass,p)
{
mu = _mu;
}
// allow override for twisted mass and clover
virtual void Mooee(const FermionField &in, FermionField &out) ;
virtual void MooeeDag(const FermionField &in, FermionField &out) ;
virtual void MooeeInv(const FermionField &in, FermionField &out) ;
virtual void MooeeInvDag(const FermionField &in, FermionField &out) ;
private:
RealD mu; // TwistedMass parameter
};
}}
#endif