2018-01-14 23:42:47 +00:00
|
|
|
/*************************************************************************************
|
2016-07-14 22:59:21 +01:00
|
|
|
|
|
|
|
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
|
2018-01-14 23:42:47 +00:00
|
|
|
*************************************************************************************/
|
|
|
|
/* END LEGAL */
|
2016-07-14 22:59:21 +01:00
|
|
|
|
2017-02-22 18:09:33 +00:00
|
|
|
#include <Grid/qcd/action/fermion/FermionCore.h>
|
|
|
|
#include <Grid/qcd/action/fermion/CayleyFermion5D.h>
|
2016-07-14 22:59:21 +01:00
|
|
|
|
|
|
|
|
2018-01-14 23:42:47 +00:00
|
|
|
NAMESPACE_BEGIN(Grid);
|
2016-07-14 22:59:21 +01:00
|
|
|
|
2018-01-14 23:42:47 +00:00
|
|
|
// Pminus fowards
|
|
|
|
// Pplus backwards
|
2016-07-14 22:59:21 +01:00
|
|
|
template<class Impl>
|
|
|
|
void CayleyFermion5D<Impl>::M5D(const FermionField &psi,
|
|
|
|
const FermionField &phi,
|
|
|
|
FermionField &chi,
|
2016-08-15 22:31:29 +01:00
|
|
|
std::vector<Coeff_t> &lower,
|
|
|
|
std::vector<Coeff_t> &diag,
|
|
|
|
std::vector<Coeff_t> &upper)
|
2016-07-14 22:59:21 +01:00
|
|
|
{
|
2017-03-30 05:44:05 +01:00
|
|
|
Coeff_t one(1.0);
|
2016-07-14 22:59:21 +01:00
|
|
|
int Ls=this->Ls;
|
|
|
|
for(int s=0;s<Ls;s++){
|
|
|
|
if ( s==0 ) {
|
|
|
|
axpby_ssp_pminus(chi,diag[s],phi,upper[s],psi,s,s+1);
|
2017-03-30 05:44:05 +01:00
|
|
|
axpby_ssp_pplus (chi,one,chi,lower[s],psi,s,Ls-1);
|
2016-07-14 22:59:21 +01:00
|
|
|
} else if ( s==(Ls-1)) {
|
|
|
|
axpby_ssp_pminus(chi,diag[s],phi,upper[s],psi,s,0);
|
2017-03-30 05:44:05 +01:00
|
|
|
axpby_ssp_pplus (chi,one,chi,lower[s],psi,s,s-1);
|
2016-07-14 22:59:21 +01:00
|
|
|
} else {
|
|
|
|
axpby_ssp_pminus(chi,diag[s],phi,upper[s],psi,s,s+1);
|
2017-03-30 05:44:05 +01:00
|
|
|
axpby_ssp_pplus(chi,one,chi,lower[s],psi,s,s-1);
|
2016-07-14 22:59:21 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
template<class Impl>
|
|
|
|
void CayleyFermion5D<Impl>::M5Ddag(const FermionField &psi,
|
|
|
|
const FermionField &phi,
|
|
|
|
FermionField &chi,
|
2016-08-15 22:31:29 +01:00
|
|
|
std::vector<Coeff_t> &lower,
|
|
|
|
std::vector<Coeff_t> &diag,
|
|
|
|
std::vector<Coeff_t> &upper)
|
2016-07-14 22:59:21 +01:00
|
|
|
{
|
2017-03-30 05:44:05 +01:00
|
|
|
Coeff_t one(1.0);
|
2016-07-14 22:59:21 +01:00
|
|
|
int Ls=this->Ls;
|
|
|
|
for(int s=0;s<Ls;s++){
|
|
|
|
if ( s==0 ) {
|
|
|
|
axpby_ssp_pplus (chi,diag[s],phi,upper[s],psi,s,s+1);
|
2017-03-30 05:44:05 +01:00
|
|
|
axpby_ssp_pminus(chi,one,chi,lower[s],psi,s,Ls-1);
|
2016-07-14 22:59:21 +01:00
|
|
|
} else if ( s==(Ls-1)) {
|
|
|
|
axpby_ssp_pplus (chi,diag[s],phi,upper[s],psi,s,0);
|
2017-03-30 05:44:05 +01:00
|
|
|
axpby_ssp_pminus(chi,one,chi,lower[s],psi,s,s-1);
|
2016-07-14 22:59:21 +01:00
|
|
|
} else {
|
|
|
|
axpby_ssp_pplus (chi,diag[s],phi,upper[s],psi,s,s+1);
|
2017-03-30 05:44:05 +01:00
|
|
|
axpby_ssp_pminus(chi,one,chi,lower[s],psi,s,s-1);
|
2016-07-14 22:59:21 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
template<class Impl>
|
|
|
|
void CayleyFermion5D<Impl>::MooeeInv (const FermionField &psi, FermionField &chi)
|
|
|
|
{
|
2017-03-30 05:44:05 +01:00
|
|
|
Coeff_t one(1.0);
|
|
|
|
Coeff_t czero(0.0);
|
2016-07-14 22:59:21 +01:00
|
|
|
chi.checkerboard=psi.checkerboard;
|
|
|
|
int Ls=this->Ls;
|
|
|
|
// Apply (L^{\prime})^{-1}
|
2017-03-30 05:44:05 +01:00
|
|
|
axpby_ssp (chi,one,psi, czero,psi,0,0); // chi[0]=psi[0]
|
2016-07-14 22:59:21 +01:00
|
|
|
for (int s=1;s<Ls;s++){
|
2017-03-30 05:44:05 +01:00
|
|
|
axpby_ssp_pplus(chi,one,psi,-lee[s-1],chi,s,s-1);// recursion Psi[s] -lee P_+ chi[s-1]
|
2016-07-14 22:59:21 +01:00
|
|
|
}
|
|
|
|
// L_m^{-1}
|
|
|
|
for (int s=0;s<Ls-1;s++){ // Chi[ee] = 1 - sum[s<Ls-1] -leem[s]P_- chi
|
2017-03-30 05:44:05 +01:00
|
|
|
axpby_ssp_pminus(chi,one,chi,-leem[s],chi,Ls-1,s);
|
2016-07-14 22:59:21 +01:00
|
|
|
}
|
|
|
|
// U_m^{-1} D^{-1}
|
|
|
|
for (int s=0;s<Ls-1;s++){
|
|
|
|
// Chi[s] + 1/d chi[s]
|
2017-03-30 05:44:05 +01:00
|
|
|
axpby_ssp_pplus(chi,one/dee[s],chi,-ueem[s]/dee[Ls-1],chi,s,Ls-1);
|
2016-07-14 22:59:21 +01:00
|
|
|
}
|
2017-03-30 05:44:05 +01:00
|
|
|
axpby_ssp(chi,one/dee[Ls-1],chi,czero,chi,Ls-1,Ls-1); // Modest avoidable
|
2016-07-14 22:59:21 +01:00
|
|
|
|
|
|
|
// Apply U^{-1}
|
|
|
|
for (int s=Ls-2;s>=0;s--){
|
2017-03-30 05:44:05 +01:00
|
|
|
axpby_ssp_pminus (chi,one,chi,-uee[s],chi,s,s+1); // chi[Ls]
|
2016-07-14 22:59:21 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
template<class Impl>
|
|
|
|
void CayleyFermion5D<Impl>::MooeeInvDag (const FermionField &psi, FermionField &chi)
|
|
|
|
{
|
2017-03-30 05:44:05 +01:00
|
|
|
Coeff_t one(1.0);
|
|
|
|
Coeff_t czero(0.0);
|
2016-07-14 22:59:21 +01:00
|
|
|
chi.checkerboard=psi.checkerboard;
|
|
|
|
int Ls=this->Ls;
|
|
|
|
// Apply (U^{\prime})^{-dagger}
|
2017-03-30 05:44:05 +01:00
|
|
|
axpby_ssp (chi,one,psi, czero,psi,0,0); // chi[0]=psi[0]
|
2016-07-14 22:59:21 +01:00
|
|
|
for (int s=1;s<Ls;s++){
|
2017-03-30 05:44:05 +01:00
|
|
|
axpby_ssp_pminus(chi,one,psi,-conjugate(uee[s-1]),chi,s,s-1);
|
2016-07-14 22:59:21 +01:00
|
|
|
}
|
|
|
|
// U_m^{-\dagger}
|
|
|
|
for (int s=0;s<Ls-1;s++){
|
2017-03-30 05:44:05 +01:00
|
|
|
axpby_ssp_pplus(chi,one,chi,-conjugate(ueem[s]),chi,Ls-1,s);
|
2016-07-14 22:59:21 +01:00
|
|
|
}
|
|
|
|
// L_m^{-\dagger} D^{-dagger}
|
|
|
|
for (int s=0;s<Ls-1;s++){
|
2017-03-30 05:44:05 +01:00
|
|
|
axpby_ssp_pminus(chi,one/conjugate(dee[s]),chi,-conjugate(leem[s]/dee[Ls-1]),chi,s,Ls-1);
|
2016-07-14 22:59:21 +01:00
|
|
|
}
|
2017-03-30 05:44:05 +01:00
|
|
|
axpby_ssp(chi,one/conjugate(dee[Ls-1]),chi,czero,chi,Ls-1,Ls-1); // Modest avoidable
|
2016-07-14 22:59:21 +01:00
|
|
|
|
|
|
|
// Apply L^{-dagger}
|
|
|
|
for (int s=Ls-2;s>=0;s--){
|
2017-03-30 05:44:05 +01:00
|
|
|
axpby_ssp_pplus (chi,one,chi,-conjugate(lee[s]),chi,s,s+1); // chi[Ls]
|
2016-07-14 22:59:21 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2016-07-15 17:19:44 +01:00
|
|
|
|
|
|
|
#ifdef CAYLEY_DPERP_LINALG
|
2018-01-14 23:42:47 +00:00
|
|
|
INSTANTIATE_DPERP(WilsonImplF);
|
|
|
|
INSTANTIATE_DPERP(WilsonImplD);
|
|
|
|
INSTANTIATE_DPERP(GparityWilsonImplF);
|
|
|
|
INSTANTIATE_DPERP(GparityWilsonImplD);
|
|
|
|
INSTANTIATE_DPERP(ZWilsonImplF);
|
|
|
|
INSTANTIATE_DPERP(ZWilsonImplD);
|
|
|
|
|
|
|
|
INSTANTIATE_DPERP(WilsonImplFH);
|
|
|
|
INSTANTIATE_DPERP(WilsonImplDF);
|
|
|
|
INSTANTIATE_DPERP(GparityWilsonImplFH);
|
|
|
|
INSTANTIATE_DPERP(GparityWilsonImplDF);
|
|
|
|
INSTANTIATE_DPERP(ZWilsonImplFH);
|
|
|
|
INSTANTIATE_DPERP(ZWilsonImplDF);
|
2016-07-15 17:19:44 +01:00
|
|
|
#endif
|
2016-07-14 22:59:21 +01:00
|
|
|
|
2018-01-14 23:42:47 +00:00
|
|
|
NAMESPACE_END(Grid);
|