mirror of
https://github.com/paboyle/Grid.git
synced 2024-11-10 15:55:37 +00:00
134 lines
3.8 KiB
C++
134 lines
3.8 KiB
C++
/*************************************************************************************
|
|
|
|
Grid physics library, www.github.com/paboyle/Grid
|
|
|
|
Source file: ./lib/qcd/action/fermion/CayleyFermion5D.cc
|
|
|
|
Copyright (C) 2015
|
|
|
|
Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
|
|
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
|
|
Author: Peter Boyle <peterboyle@Peters-MacBook-Pro-2.local>
|
|
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/Eigen/Dense>
|
|
#include <Grid.h>
|
|
|
|
|
|
namespace Grid {
|
|
namespace QCD {
|
|
/*
|
|
* Dense matrix versions of routines
|
|
*/
|
|
|
|
/*
|
|
template<class Impl>
|
|
void CayleyFermion5D<Impl>::MooeeInvDag (const FermionField &psi, FermionField &chi)
|
|
{
|
|
this->MooeeInternal(psi,chi,DaggerYes,InverseYes);
|
|
}
|
|
|
|
template<class Impl>
|
|
void CayleyFermion5D<Impl>::MooeeInv(const FermionField &psi, FermionField &chi)
|
|
{
|
|
this->MooeeInternal(psi,chi,DaggerNo,InverseYes);
|
|
}
|
|
*/
|
|
template<class Impl>
|
|
void CayleyFermion5D<Impl>::MooeeInternal(const FermionField &psi, FermionField &chi,int dag, int inv)
|
|
{
|
|
int Ls=this->Ls;
|
|
int LLs = psi._grid->_rdimensions[0];
|
|
int vol = psi._grid->oSites()/LLs;
|
|
|
|
chi.checkerboard=psi.checkerboard;
|
|
|
|
assert(Ls==LLs);
|
|
|
|
Eigen::MatrixXd Pplus = Eigen::MatrixXd::Zero(Ls,Ls);
|
|
Eigen::MatrixXd Pminus = Eigen::MatrixXd::Zero(Ls,Ls);
|
|
|
|
for(int s=0;s<Ls;s++){
|
|
Pplus(s,s) = bee[s];
|
|
Pminus(s,s)= bee[s];
|
|
}
|
|
|
|
for(int s=0;s<Ls-1;s++){
|
|
Pminus(s,s+1) = -cee[s];
|
|
}
|
|
|
|
for(int s=0;s<Ls-1;s++){
|
|
Pplus(s+1,s) = -cee[s+1];
|
|
}
|
|
Pplus (0,Ls-1) = mass*cee[0];
|
|
Pminus(Ls-1,0) = mass*cee[Ls-1];
|
|
|
|
Eigen::MatrixXd PplusMat ;
|
|
Eigen::MatrixXd PminusMat;
|
|
|
|
if ( inv ) {
|
|
PplusMat =Pplus.inverse();
|
|
PminusMat=Pminus.inverse();
|
|
} else {
|
|
PplusMat =Pplus;
|
|
PminusMat=Pminus;
|
|
}
|
|
|
|
if(dag){
|
|
PplusMat.adjointInPlace();
|
|
PminusMat.adjointInPlace();
|
|
}
|
|
|
|
// For the non-vectorised s-direction this is simple
|
|
|
|
for(auto site=0;site<vol;site++){
|
|
|
|
SiteSpinor SiteChi;
|
|
SiteHalfSpinor SitePplus;
|
|
SiteHalfSpinor SitePminus;
|
|
|
|
for(int s1=0;s1<Ls;s1++){
|
|
SiteChi =zero;
|
|
for(int s2=0;s2<Ls;s2++){
|
|
int lex2 = s2+Ls*site;
|
|
|
|
if ( PplusMat(s1,s2) != 0.0 ) {
|
|
spProj5p(SitePplus,psi[lex2]);
|
|
accumRecon5p(SiteChi,PplusMat (s1,s2)*SitePplus);
|
|
}
|
|
|
|
if ( PminusMat(s1,s2) != 0.0 ) {
|
|
spProj5m(SitePminus,psi[lex2]);
|
|
accumRecon5m(SiteChi,PminusMat(s1,s2)*SitePminus);
|
|
}
|
|
}
|
|
chi[s1+Ls*site] = SiteChi*0.5;
|
|
}
|
|
}
|
|
}
|
|
|
|
template void CayleyFermion5D<GparityWilsonImplF>::MooeeInternal(const FermionField &psi, FermionField &chi,int dag, int inv);
|
|
template void CayleyFermion5D<GparityWilsonImplD>::MooeeInternal(const FermionField &psi, FermionField &chi,int dag, int inv);
|
|
template void CayleyFermion5D<WilsonImplF>::MooeeInternal(const FermionField &psi, FermionField &chi,int dag, int inv);
|
|
template void CayleyFermion5D<WilsonImplD>::MooeeInternal(const FermionField &psi, FermionField &chi,int dag, int inv);
|
|
|
|
}}
|