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Beginning to re-import Mobius EOFA
This commit is contained in:
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@ -1,6 +1,6 @@
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/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./lib/qcd/action/fermion/Fermion_base_aggregate.h
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@ -38,6 +38,8 @@ Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
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// - ContinuedFractionFermion5D.cc
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// - WilsonFermion.cc
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// - WilsonKernels.cc
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// - DomainWallEOFAFermion.cc
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// - MobiusEOFAFermion.cc
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//
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// The explicit instantiation is only avoidable if we move this source to headers and end up with include/parse/recompile
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// for EVERY .cc file. This define centralises the list and restores global push of impl cases
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@ -57,6 +59,7 @@ Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
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#include <Grid/qcd/action/fermion/DomainWallFermion.h>
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#include <Grid/qcd/action/fermion/DomainWallEOFAFermion.h>
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#include <Grid/qcd/action/fermion/MobiusFermion.h>
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#include <Grid/qcd/action/fermion/MobiusEOFAFermion.h>
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#include <Grid/qcd/action/fermion/ZMobiusFermion.h>
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#include <Grid/qcd/action/fermion/SchurDiagTwoKappa.h>
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#include <Grid/qcd/action/fermion/ScaledShamirFermion.h>
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@ -129,6 +132,14 @@ typedef MobiusFermion<WilsonImplRL> MobiusFermionRL;
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typedef MobiusFermion<WilsonImplFH> MobiusFermionFH;
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typedef MobiusFermion<WilsonImplDF> MobiusFermionDF;
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typedef MobiusEOFAFermion<WilsonImplR> MobiusEOFAFermionR;
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typedef MobiusEOFAFermion<WilsonImplF> MobiusEOFAFermionF;
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typedef MobiusEOFAFermion<WilsonImplD> MobiusEOFAFermionD;
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typedef MobiusEOFAFermion<WilsonImplRL> MobiusEOFAFermionRL;
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typedef MobiusEOFAFermion<WilsonImplFH> MobiusEOFAFermionFH;
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typedef MobiusEOFAFermion<WilsonImplDF> MobiusEOFAFermionDF;
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typedef ZMobiusFermion<ZWilsonImplR> ZMobiusFermionR;
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typedef ZMobiusFermion<ZWilsonImplF> ZMobiusFermionF;
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typedef ZMobiusFermion<ZWilsonImplD> ZMobiusFermionD;
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@ -137,7 +148,7 @@ typedef ZMobiusFermion<ZWilsonImplRL> ZMobiusFermionRL;
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typedef ZMobiusFermion<ZWilsonImplFH> ZMobiusFermionFH;
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typedef ZMobiusFermion<ZWilsonImplDF> ZMobiusFermionDF;
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// Ls vectorised
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// Ls vectorised
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typedef DomainWallFermion<DomainWallVec5dImplR> DomainWallFermionVec5dR;
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typedef DomainWallFermion<DomainWallVec5dImplF> DomainWallFermionVec5dF;
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typedef DomainWallFermion<DomainWallVec5dImplD> DomainWallFermionVec5dD;
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@ -162,6 +173,14 @@ typedef MobiusFermion<DomainWallVec5dImplRL> MobiusFermionVec5dRL;
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typedef MobiusFermion<DomainWallVec5dImplFH> MobiusFermionVec5dFH;
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typedef MobiusFermion<DomainWallVec5dImplDF> MobiusFermionVec5dDF;
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typedef MobiusEOFAFermion<DomainWallVec5dImplR> MobiusEOFAFermionVec5dR;
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typedef MobiusEOFAFermion<DomainWallVec5dImplF> MobiusEOFAFermionVec5dF;
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typedef MobiusEOFAFermion<DomainWallVec5dImplD> MobiusEOFAFermionVec5dD;
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typedef MobiusEOFAFermion<DomainWallVec5dImplRL> MobiusEOFAFermionVec5dRL;
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typedef MobiusEOFAFermion<DomainWallVec5dImplFH> MobiusEOFAFermionVec5dFH;
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typedef MobiusEOFAFermion<DomainWallVec5dImplDF> MobiusEOFAFermionVec5dDF;
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typedef ZMobiusFermion<ZDomainWallVec5dImplR> ZMobiusFermionVec5dR;
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typedef ZMobiusFermion<ZDomainWallVec5dImplF> ZMobiusFermionVec5dF;
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typedef ZMobiusFermion<ZDomainWallVec5dImplD> ZMobiusFermionVec5dD;
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@ -246,6 +265,14 @@ typedef MobiusFermion<GparityWilsonImplRL> GparityMobiusFermionRL;
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typedef MobiusFermion<GparityWilsonImplFH> GparityMobiusFermionFH;
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typedef MobiusFermion<GparityWilsonImplDF> GparityMobiusFermionDF;
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typedef MobiusEOFAFermion<GparityWilsonImplR> GparityMobiusFermionR;
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typedef MobiusEOFAFermion<GparityWilsonImplF> GparityMobiusFermionF;
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typedef MobiusEOFAFermion<GparityWilsonImplD> GparityMobiusFermionD;
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typedef MobiusEOFAFermion<GparityWilsonImplRL> GparityMobiusEOFAFermionRL;
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typedef MobiusEOFAFermion<GparityWilsonImplFH> GparityMobiusEOFAFermionFH;
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typedef MobiusEOFAFermion<GparityWilsonImplDF> GparityMobiusEOFAFermionDF;
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typedef ImprovedStaggeredFermion<StaggeredImplR> ImprovedStaggeredFermionR;
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typedef ImprovedStaggeredFermion<StaggeredImplF> ImprovedStaggeredFermionF;
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typedef ImprovedStaggeredFermion<StaggeredImplD> ImprovedStaggeredFermionD;
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lib/qcd/action/fermion/MobiusEOFAFermion.cc
Normal file
469
lib/qcd/action/fermion/MobiusEOFAFermion.cc
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@ -0,0 +1,469 @@
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/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./lib/qcd/action/fermion/MobiusEOFAFermion.cc
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Copyright (C) 2017
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Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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Author: Peter Boyle <peterboyle@Peters-MacBook-Pro-2.local>
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Author: paboyle <paboyle@ph.ed.ac.uk>
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Author: David Murphy <dmurphy@phys.columbia.edu>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution directory
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*************************************************************************************/
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/* END LEGAL */
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#include <Grid/Grid_Eigen_Dense.h>
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#include <Grid/qcd/action/fermion/FermionCore.h>
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#include <Grid/qcd/action/fermion/MobiusEOFAFermion.h>
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namespace Grid {
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namespace QCD {
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template<class Impl>
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MobiusEOFAFermion<Impl>::MobiusEOFAFermion(
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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 _mq1, RealD _mq2, RealD _mq3,
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RealD _shift, int _pm, RealD _M5,
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RealD _b, RealD _c, const ImplParams &p) :
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AbstractEOFAFermion<Impl>(_Umu, FiveDimGrid, FiveDimRedBlackGrid,
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FourDimGrid, FourDimRedBlackGrid, _mq1, _mq2, _mq3,
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_shift, _pm, _M5, _b, _c, p)
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{
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int Ls = this->Ls;
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RealD eps = 1.0;
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Approx::zolotarev_data *zdata = Approx::higham(eps, this->Ls);
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assert(zdata->n == this->Ls);
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std::cout << GridLogMessage << "MobiusEOFAFermion (b=" << _b <<
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",c=" << _c << ") with Ls=" << Ls << std::endl;
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this->SetCoefficientsTanh(zdata, _b, _c);
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std::cout << GridLogMessage << "EOFA parameters: (mq1=" << _mq1 <<
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",mq2=" << _mq2 << ",mq3=" << _mq3 << ",shift=" << _shift <<
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",pm=" << _pm << ")" << std::endl;
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Approx::zolotarev_free(zdata);
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if(_shift != 0.0){
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SetCoefficientsPrecondShiftOps();
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} else {
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Mooee_shift.resize(Ls, 0.0);
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MooeeInv_shift_lc.resize(Ls, 0.0);
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MooeeInv_shift_norm.resize(Ls, 0.0);
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MooeeInvDag_shift_lc.resize(Ls, 0.0);
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MooeeInvDag_shift_norm.resize(Ls, 0.0);
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}
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}
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/***************************************************************
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/* Additional EOFA operators only called outside the inverter.
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/* Since speed is not essential, simple axpby-style
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/* implementations should be fine.
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/***************************************************************/
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template<class Impl>
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void MobiusEOFAFermion<Impl>::Omega(const FermionField& psi, FermionField& Din, int sign, int dag)
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{
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int Ls = this->Ls;
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RealD alpha = this->alpha;
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Din = zero;
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if((sign == 1) && (dag == 0)) { // \Omega_{+}
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for(int s=0; s<Ls; ++s){
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axpby_ssp(Din, 0.0, psi, 2.0*std::pow(1.0-alpha,Ls-s-1)/std::pow(1.0+alpha,Ls-s), psi, s, 0);
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}
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} else if((sign == -1) && (dag == 0)) { // \Omega_{-}
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for(int s=0; s<Ls; ++s){
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axpby_ssp(Din, 0.0, psi, 2.0*std::pow(1.0-alpha,s)/std::pow(1.0+alpha,s+1), psi, s, 0);
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}
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} else if((sign == 1 ) && (dag == 1)) { // \Omega_{+}^{\dagger}
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for(int sp=0; sp<Ls; ++sp){
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axpby_ssp(Din, 1.0, Din, 2.0*std::pow(1.0-alpha,Ls-sp-1)/std::pow(1.0+alpha,Ls-sp), psi, 0, sp);
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}
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} else if((sign == -1) && (dag == 1)) { // \Omega_{-}^{\dagger}
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for(int sp=0; sp<Ls; ++sp){
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axpby_ssp(Din, 1.0, Din, 2.0*std::pow(1.0-alpha,sp)/std::pow(1.0+alpha,sp+1), psi, 0, sp);
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}
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}
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}
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// This is the operator relating the usual Ddwf to TWQCD's EOFA Dirac operator (arXiv:1706.05843, Eqn. 6).
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// It also relates the preconditioned and unpreconditioned systems described in Appendix B.2.
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template<class Impl>
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void MobiusEOFAFermion<Impl>::Dtilde(const FermionField& psi, FermionField& chi)
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{
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int Ls = this->Ls;
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RealD b = 0.5 * ( 1.0 + this->alpha );
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RealD c = 0.5 * ( 1.0 - this->alpha );
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RealD mq1 = this->mq1;
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for(int s=0; s<Ls; ++s){
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if(s == 0) {
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axpby_ssp_pminus(chi, b, psi, -c, psi, s, s+1);
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axpby_ssp_pplus (chi, 1.0, chi, mq1*c, psi, s, Ls-1);
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} else if(s == (Ls-1)) {
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axpby_ssp_pminus(chi, b, psi, mq1*c, psi, s, 0);
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axpby_ssp_pplus (chi, 1.0, chi, -c, psi, s, s-1);
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} else {
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axpby_ssp_pminus(chi, b, psi, -c, psi, s, s+1);
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axpby_ssp_pplus (chi, 1.0, chi, -c, psi, s, s-1);
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}
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}
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}
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template<class Impl>
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void MobiusEOFAFermion<Impl>::DtildeInv(const FermionField& psi, FermionField& chi){ }
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/*****************************************************************************************************/
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template<class Impl>
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RealD MobiusEOFAFermion<Impl>::M(const FermionField& psi, FermionField& chi)
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{
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int Ls = this->Ls;
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FermionField Din(psi._grid);
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this->Meooe5D(psi, Din);
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this->DW(Din, chi, DaggerNo);
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axpby(chi, 1.0, 1.0, chi, psi);
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this->M5D(psi, chi);
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return(norm2(chi));
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}
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template<class Impl>
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RealD MobiusEOFAFermion<Impl>::Mdag(const FermionField& psi, FermionField& chi)
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{
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int Ls = this->Ls;
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FermionField Din(psi._grid);
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this->DW(psi, Din, DaggerYes);
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this->MeooeDag5D(Din, chi);
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this->M5Ddag(psi, chi);
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axpby(chi, 1.0, 1.0, chi, psi);
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return(norm2(chi));
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}
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/********************************************************************
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/* Performance critical fermion operators called inside the inverter
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/********************************************************************/
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template<class Impl>
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void MobiusEOFAFermion<Impl>::M5D(const FermionField& psi, FermionField& chi)
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{
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int Ls = this->Ls;
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std::vector<Coeff_t> diag(Ls,1.0);
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std::vector<Coeff_t> upper(Ls,-1.0); upper[Ls-1] = this->mq1;
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std::vector<Coeff_t> lower(Ls,-1.0); lower[0] = this->mq1;
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// no shift term
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if(this->shift == 0.0){ this->M5D(psi, chi, chi, lower, diag, upper); }
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// fused M + shift operation
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else{ this->M5D_shift(psi, chi, chi, lower, diag, upper, Mooee_shift); }
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}
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template<class Impl>
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void MobiusEOFAFermion<Impl>::M5Ddag(const FermionField& psi, FermionField& chi)
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{
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int Ls = this->Ls;
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int pm = this->pm;
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RealD shift = this->shift;
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RealD mq1 = this->mq1;
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RealD mq2 = this->mq2;
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RealD mq3 = this->mq3;
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// coefficients for shift operator ( = shift*\gamma_{5}*R_{5}*\Delta_{\pm}(mq2,mq3)*P_{\pm} )
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Coeff_t shiftp(0.0), shiftm(0.0);
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if(shift != 0.0){
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if(pm == 1){ shiftp = shift*(mq3-mq2); }
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else{ shiftm = -shift*(mq3-mq2); }
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}
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std::vector<Coeff_t> diag(Ls,1.0);
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std::vector<Coeff_t> upper(Ls,-1.0); upper[Ls-1] = mq1 + shiftp;
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std::vector<Coeff_t> lower(Ls,-1.0); lower[0] = mq1 + shiftm;
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#if(0)
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std::cout << GridLogMessage << "MobiusEOFAFermion::M5Ddag(FF&,FF&):" << std::endl;
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for(int i=0; i<diag.size(); ++i){
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std::cout << GridLogMessage << "diag[" << i << "] =" << diag[i] << std::endl;
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}
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for(int i=0; i<upper.size(); ++i){
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std::cout << GridLogMessage << "upper[" << i << "] =" << upper[i] << std::endl;
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}
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for(int i=0; i<lower.size(); ++i){
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std::cout << GridLogMessage << "lower[" << i << "] =" << lower[i] << std::endl;
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}
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#endif
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this->M5Ddag(psi, chi, chi, lower, diag, upper);
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}
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// half checkerboard operations
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template<class Impl>
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void MobiusEOFAFermion<Impl>::Mooee(const FermionField& psi, FermionField& chi)
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{
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int Ls = this->Ls;
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std::vector<Coeff_t> diag = this->bee;
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std::vector<Coeff_t> upper(Ls);
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std::vector<Coeff_t> lower(Ls);
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for(int s=0; s<Ls; s++){
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upper[s] = -this->cee[s];
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lower[s] = -this->cee[s];
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}
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upper[Ls-1] = this->dm;
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lower[0] = this->dp;
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this->M5D(psi, psi, chi, lower, diag, upper);
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}
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template<class Impl>
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void MobiusEOFAFermion<Impl>::MooeeDag(const FermionField& psi, FermionField& chi)
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{
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int Ls = this->Ls;
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std::vector<Coeff_t> diag = this->bee;
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std::vector<Coeff_t> upper(Ls);
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std::vector<Coeff_t> lower(Ls);
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for(int s=0; s<Ls; s++){
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upper[s] = -this->cee[s];
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lower[s] = -this->cee[s];
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}
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upper[Ls-1] = this->dp;
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lower[0] = this->dm;
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this->M5Ddag(psi, psi, chi, lower, diag, upper);
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}
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/****************************************************************************************/
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//Zolo
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template<class Impl>
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void MobiusEOFAFermion<Impl>::SetCoefficientsInternal(RealD zolo_hi, std::vector<Coeff_t>& gamma, RealD b, RealD c)
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{
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int Ls = this->Ls;
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int pm = this->pm;
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RealD mq1 = this->mq1;
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RealD mq2 = this->mq2;
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RealD mq3 = this->mq3;
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RealD shift = this->shift;
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////////////////////////////////////////////////////////
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// Constants for the preconditioned matrix Cayley form
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////////////////////////////////////////////////////////
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this->bs.resize(Ls);
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this->cs.resize(Ls);
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this->aee.resize(Ls);
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this->aeo.resize(Ls);
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this->bee.resize(Ls);
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this->beo.resize(Ls);
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this->cee.resize(Ls);
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this->ceo.resize(Ls);
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for(int i=0; i<Ls; ++i){
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||||
this->bee[i] = 4.0 - this->M5 + 1.0;
|
||||
this->cee[i] = 1.0;
|
||||
}
|
||||
|
||||
for(int i=0; i<Ls; ++i){
|
||||
this->aee[i] = this->cee[i];
|
||||
this->bs[i] = this->beo[i] = 1.0;
|
||||
this->cs[i] = this->ceo[i] = 0.0;
|
||||
}
|
||||
|
||||
//////////////////////////////////////////
|
||||
// EOFA shift terms
|
||||
//////////////////////////////////////////
|
||||
if(pm == 1){
|
||||
this->dp = mq1*this->cee[0] + shift*(mq3-mq2);
|
||||
this->dm = mq1*this->cee[Ls-1];
|
||||
} else if(this->pm == -1) {
|
||||
this->dp = mq1*this->cee[0];
|
||||
this->dm = mq1*this->cee[Ls-1] - shift*(mq3-mq2);
|
||||
} else {
|
||||
this->dp = mq1*this->cee[0];
|
||||
this->dm = mq1*this->cee[Ls-1];
|
||||
}
|
||||
|
||||
//////////////////////////////////////////
|
||||
// LDU decomposition of eeoo
|
||||
//////////////////////////////////////////
|
||||
this->dee.resize(Ls+1);
|
||||
this->lee.resize(Ls);
|
||||
this->leem.resize(Ls);
|
||||
this->uee.resize(Ls);
|
||||
this->ueem.resize(Ls);
|
||||
|
||||
for(int i=0; i<Ls; ++i){
|
||||
|
||||
if(i < Ls-1){
|
||||
|
||||
this->lee[i] = -this->cee[i+1]/this->bee[i]; // sub-diag entry on the ith column
|
||||
|
||||
this->leem[i] = this->dm/this->bee[i];
|
||||
for(int j=0; j<i; j++){ this->leem[i] *= this->aee[j]/this->bee[j]; }
|
||||
|
||||
this->dee[i] = this->bee[i];
|
||||
|
||||
this->uee[i] = -this->aee[i]/this->bee[i]; // up-diag entry on the ith row
|
||||
|
||||
this->ueem[i] = this->dp / this->bee[0];
|
||||
for(int j=1; j<=i; j++){ this->ueem[i] *= this->cee[j]/this->bee[j]; }
|
||||
|
||||
} else {
|
||||
|
||||
this->lee[i] = 0.0;
|
||||
this->leem[i] = 0.0;
|
||||
this->uee[i] = 0.0;
|
||||
this->ueem[i] = 0.0;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
Coeff_t delta_d = 1.0 / this->bee[0];
|
||||
for(int j=1; j<Ls-1; j++){ delta_d *= this->cee[j] / this->bee[j]; }
|
||||
this->dee[Ls-1] = this->bee[Ls-1] + this->cee[0] * this->dm * delta_d;
|
||||
this->dee[Ls] = this->bee[Ls-1] + this->cee[Ls-1] * this->dp * delta_d;
|
||||
}
|
||||
|
||||
int inv = 1;
|
||||
this->MooeeInternalCompute(0, inv, this->MatpInv, this->MatmInv);
|
||||
this->MooeeInternalCompute(1, inv, this->MatpInvDag, this->MatmInvDag);
|
||||
}
|
||||
|
||||
// Recompute Cayley-form coefficients for different shift
|
||||
template<class Impl>
|
||||
void MobiusEOFAFermion<Impl>::RefreshShiftCoefficients(RealD new_shift)
|
||||
{
|
||||
this->shift = new_shift;
|
||||
Approx::zolotarev_data *zdata = Approx::higham(1.0, this->Ls);
|
||||
this->SetCoefficientsTanh(zdata, 1.0, 0.0);
|
||||
}
|
||||
|
||||
template<class Impl>
|
||||
void MobiusEOFAFermion<Impl>::MooeeInternalCompute(int dag, int inv,
|
||||
Vector<iSinglet<Simd> >& Matp, Vector<iSinglet<Simd> >& Matm)
|
||||
{
|
||||
int Ls = this->Ls;
|
||||
|
||||
GridBase* grid = this->FermionRedBlackGrid();
|
||||
int LLs = grid->_rdimensions[0];
|
||||
|
||||
if(LLs == Ls){
|
||||
return; // Not vectorised in 5th direction
|
||||
}
|
||||
|
||||
Eigen::MatrixXcd Pplus = Eigen::MatrixXcd::Zero(Ls,Ls);
|
||||
Eigen::MatrixXcd Pminus = Eigen::MatrixXcd::Zero(Ls,Ls);
|
||||
|
||||
for(int s=0; s<Ls; s++){
|
||||
Pplus(s,s) = this->bee[s];
|
||||
Pminus(s,s) = this->bee[s];
|
||||
}
|
||||
|
||||
for(int s=0; s<Ls-1; s++){
|
||||
Pminus(s,s+1) = -this->cee[s];
|
||||
}
|
||||
|
||||
for(int s=0; s<Ls-1; s++){
|
||||
Pplus(s+1,s) = -this->cee[s+1];
|
||||
}
|
||||
|
||||
Pplus (0,Ls-1) = this->dp;
|
||||
Pminus(Ls-1,0) = this->dm;
|
||||
|
||||
Eigen::MatrixXcd PplusMat ;
|
||||
Eigen::MatrixXcd PminusMat;
|
||||
|
||||
#if(0)
|
||||
std::cout << GridLogMessage << "Pplus:" << std::endl;
|
||||
for(int s=0; s<Ls; ++s){
|
||||
for(int ss=0; ss<Ls; ++ss){
|
||||
std::cout << Pplus(s,ss) << "\t";
|
||||
}
|
||||
std::cout << std::endl;
|
||||
}
|
||||
std::cout << GridLogMessage << "Pminus:" << std::endl;
|
||||
for(int s=0; s<Ls; ++s){
|
||||
for(int ss=0; ss<Ls; ++ss){
|
||||
std::cout << Pminus(s,ss) << "\t";
|
||||
}
|
||||
std::cout << std::endl;
|
||||
}
|
||||
#endif
|
||||
|
||||
if(inv) {
|
||||
PplusMat = Pplus.inverse();
|
||||
PminusMat = Pminus.inverse();
|
||||
} else {
|
||||
PplusMat = Pplus;
|
||||
PminusMat = Pminus;
|
||||
}
|
||||
|
||||
if(dag){
|
||||
PplusMat.adjointInPlace();
|
||||
PminusMat.adjointInPlace();
|
||||
}
|
||||
|
||||
typedef typename SiteHalfSpinor::scalar_type scalar_type;
|
||||
const int Nsimd = Simd::Nsimd();
|
||||
Matp.resize(Ls*LLs);
|
||||
Matm.resize(Ls*LLs);
|
||||
|
||||
for(int s2=0; s2<Ls; s2++){
|
||||
for(int s1=0; s1<LLs; s1++){
|
||||
int istride = LLs;
|
||||
int ostride = 1;
|
||||
Simd Vp;
|
||||
Simd Vm;
|
||||
scalar_type *sp = (scalar_type*) &Vp;
|
||||
scalar_type *sm = (scalar_type*) &Vm;
|
||||
for(int l=0; l<Nsimd; l++){
|
||||
if(switcheroo<Coeff_t>::iscomplex()) {
|
||||
sp[l] = PplusMat (l*istride+s1*ostride,s2);
|
||||
sm[l] = PminusMat(l*istride+s1*ostride,s2);
|
||||
} else {
|
||||
// if real
|
||||
scalar_type tmp;
|
||||
tmp = PplusMat (l*istride+s1*ostride,s2);
|
||||
sp[l] = scalar_type(tmp.real(),tmp.real());
|
||||
tmp = PminusMat(l*istride+s1*ostride,s2);
|
||||
sm[l] = scalar_type(tmp.real(),tmp.real());
|
||||
}
|
||||
}
|
||||
Matp[LLs*s2+s1] = Vp;
|
||||
Matm[LLs*s2+s1] = Vm;
|
||||
}}
|
||||
}
|
||||
|
||||
FermOpTemplateInstantiate(MobiusEOFAFermion);
|
||||
GparityFermOpTemplateInstantiate(MobiusEOFAFermion);
|
||||
|
||||
}}
|
133
lib/qcd/action/fermion/MobiusEOFAFermion.h
Normal file
133
lib/qcd/action/fermion/MobiusEOFAFermion.h
Normal file
@ -0,0 +1,133 @@
|
||||
/*************************************************************************************
|
||||
|
||||
Grid physics library, www.github.com/paboyle/Grid
|
||||
|
||||
Source file: ./lib/qcd/action/fermion/MobiusEOFAFermion.h
|
||||
|
||||
Copyright (C) 2017
|
||||
|
||||
Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
|
||||
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
|
||||
Author: David Murphy <dmurphy@phys.columbia.edu>
|
||||
|
||||
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_MOBIUS_EOFA_FERMION_H
|
||||
#define GRID_QCD_MOBIUS_EOFA_FERMION_H
|
||||
|
||||
#include <Grid/qcd/action/fermion/AbstractEOFAFermion.h>
|
||||
|
||||
namespace Grid {
|
||||
namespace QCD {
|
||||
|
||||
template<class Impl>
|
||||
class MobiusEOFAFermion : public AbstractEOFAFermion<Impl>
|
||||
{
|
||||
public:
|
||||
INHERIT_IMPL_TYPES(Impl);
|
||||
|
||||
public:
|
||||
// Shift operator coefficients for red-black preconditioned Mobius EOFA
|
||||
std::vector<Coeff_t> Mooee_shift;
|
||||
std::vector<Coeff_t> MooeeInv_shift_lc;
|
||||
std::vector<Coeff_t> MooeeInv_shift_norm;
|
||||
std::vector<Coeff_t> MooeeInvDag_shift_lc;
|
||||
std::vector<Coeff_t> MooeeInvDag_shift_norm;
|
||||
|
||||
virtual void Instantiatable(void) {};
|
||||
|
||||
// EOFA-specific operations
|
||||
virtual void Omega (const FermionField& in, FermionField& out, int sign, int dag);
|
||||
virtual void Dtilde (const FermionField& in, FermionField& out);
|
||||
virtual void DtildeInv (const FermionField& in, FermionField& out);
|
||||
|
||||
// override multiply
|
||||
virtual RealD M (const FermionField& in, FermionField& out);
|
||||
virtual RealD Mdag (const FermionField& in, FermionField& out);
|
||||
|
||||
// half checkerboard operations
|
||||
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 MooeeInv_shift (const FermionField& in, FermionField& out);
|
||||
virtual void MooeeInvDag (const FermionField& in, FermionField& out);
|
||||
virtual void MooeeInvDag_shift(const FermionField& in, FermionField& out);
|
||||
|
||||
virtual void M5D (const FermionField& psi, FermionField& chi);
|
||||
virtual void M5Ddag (const FermionField& psi, FermionField& chi);
|
||||
|
||||
/////////////////////////////////////////////////////
|
||||
// Instantiate different versions depending on Impl
|
||||
/////////////////////////////////////////////////////
|
||||
void M5D(const FermionField& psi, const FermionField& phi, FermionField& chi,
|
||||
std::vector<Coeff_t>& lower, std::vector<Coeff_t>& diag, std::vector<Coeff_t>& upper);
|
||||
|
||||
void M5D_shift(const FermionField& psi, const FermionField& phi, FermionField& chi,
|
||||
std::vector<Coeff_t>& lower, std::vector<Coeff_t>& diag, std::vector<Coeff_t>& upper,
|
||||
std::vector<Coeff_t>& shift_coeffs);
|
||||
|
||||
void M5Ddag(const FermionField& psi, const FermionField& phi, FermionField& chi,
|
||||
std::vector<Coeff_t>& lower, std::vector<Coeff_t>& diag, std::vector<Coeff_t>& upper);
|
||||
|
||||
void M5Ddag_shift(const FermionField& psi, const FermionField& phi, FermionField& chi,
|
||||
std::vector<Coeff_t>& lower, std::vector<Coeff_t>& diag, std::vector<Coeff_t>& upper,
|
||||
std::vector<Coeff_t>& shift_coeffs);
|
||||
|
||||
void MooeeInternal(const FermionField& in, FermionField& out, int dag, int inv);
|
||||
|
||||
void MooeeInternalCompute(int dag, int inv, Vector<iSinglet<Simd>>& Matp, Vector<iSinglet<Simd>>& Matm);
|
||||
|
||||
void MooeeInternalAsm(const FermionField& in, FermionField& out, int LLs, int site,
|
||||
Vector<iSinglet<Simd>>& Matp, Vector<iSinglet<Simd>>& Matm);
|
||||
|
||||
void MooeeInternalZAsm(const FermionField& in, FermionField& out, int LLs, int site,
|
||||
Vector<iSinglet<Simd>>& Matp, Vector<iSinglet<Simd>>& Matm);
|
||||
|
||||
virtual void RefreshShiftCoefficients(RealD new_shift);
|
||||
|
||||
// Constructors
|
||||
MobiusEOFAFermion(GaugeField& _Umu, GridCartesian& FiveDimGrid, GridRedBlackCartesian& FiveDimRedBlackGrid,
|
||||
GridCartesian& FourDimGrid, GridRedBlackCartesian& FourDimRedBlackGrid,
|
||||
RealD _mq1, RealD _mq2, RealD _mq3, RealD _shift, int pm,
|
||||
RealD _M5, RealD _b, RealD _c, const ImplParams& p=ImplParams());
|
||||
|
||||
protected:
|
||||
void SetCoefficientsPrecondShiftOps(void);
|
||||
};
|
||||
}}
|
||||
|
||||
#define INSTANTIATE_DPERP_DWF_EOFA(A)\
|
||||
template void MobiusEOFAFermion<A>::M5D(const FermionField& psi, const FermionField& phi, FermionField& chi, \
|
||||
std::vector<Coeff_t>& lower, std::vector<Coeff_t>& diag, std::vector<Coeff_t>& upper); \
|
||||
template void MobiusEOFAFermion<A>::M5D_shift(const FermionField& psi, const FermionField& phi, FermionField& chi, \
|
||||
std::vector<Coeff_t>& lower, std::vector<Coeff_t>& diag, std::vector<Coeff_t>& upper, std::vector<Coeff_t>& shift_coeffs); \
|
||||
template void MobiusEOFAFermion<A>::M5Ddag(const FermionField& psi, const FermionField& phi, FermionField& chi, \
|
||||
std::vector<Coeff_t>& lower, std::vector<Coeff_t>& diag, std::vector<Coeff_t>& upper); \
|
||||
template void MobiusEOFAFermion<A>::M5Ddag_shift(const FermionField& psi, const FermionField& phi, FermionField& chi, \
|
||||
std::vector<Coeff_t>& lower, std::vector<Coeff_t>& diag, std::vector<Coeff_t>& upper, std::vector<Coeff_t>& shift_coeffs); \
|
||||
template void MobiusEOFAFermion<A>::MooeeInv(const FermionField& psi, FermionField& chi); \
|
||||
template void MobiusEOFAFermion<A>::MooeeInv_shift(const FermionField& psi, FermionField& chi); \
|
||||
template void MobiusEOFAFermion<A>::MooeeInvDag(const FermionField& psi, FermionField& chi);
|
||||
template void MobiusEOFAFermion<A>::MooeeInvDag_shift(const FermionField& psi, FermionField& chi);
|
||||
|
||||
#undef MOBIUS_EOFA_DPERP_DENSE
|
||||
#define MOBIUS_EOFA_DPERP_CACHE
|
||||
#undef MOBIUS_EOFA_DPERP_LINALG
|
||||
#define MOBIUS_EOFA_DPERP_VEC
|
||||
|
||||
#endif
|
Loading…
x
Reference in New Issue
Block a user