mirror of
https://github.com/paboyle/Grid.git
synced 2024-11-10 07:55:35 +00:00
4b17e8eba8
Conflicts: lib/qcd/action/fermion/Fermion.h lib/qcd/action/fermion/WilsonFermion.cc lib/util/Init.cc tests/Test_cayley_even_odd_vec.cc
250 lines
9.5 KiB
C++
250 lines
9.5 KiB
C++
/*************************************************************************************
|
|
|
|
Grid physics library, www.github.com/paboyle/Grid
|
|
|
|
Source file: ./tests/Test_cayley_even_odd.cc
|
|
|
|
Copyright (C) 2015
|
|
|
|
Author: Peter Boyle <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>
|
|
|
|
using namespace std;
|
|
using namespace Grid;
|
|
using namespace Grid::QCD;
|
|
|
|
template<class d>
|
|
struct scal {
|
|
d internal;
|
|
};
|
|
|
|
Gamma::Algebra Gmu [] = {
|
|
Gamma::Algebra::GammaX,
|
|
Gamma::Algebra::GammaY,
|
|
Gamma::Algebra::GammaZ,
|
|
Gamma::Algebra::GammaT
|
|
};
|
|
|
|
|
|
template<class What>
|
|
void TestWhat(What & Ddwf,
|
|
GridCartesian * FGrid, GridRedBlackCartesian * FrbGrid,
|
|
GridCartesian * UGrid, GridRedBlackCartesian * UrbGrid,
|
|
RealD mass, RealD M5,
|
|
GridParallelRNG *RNG4, GridParallelRNG *RNG5);
|
|
|
|
int main (int argc, char ** argv)
|
|
{
|
|
Grid_init(&argc,&argv);
|
|
|
|
int threads = GridThread::GetThreads();
|
|
std::cout<<GridLogMessage << "Grid is setup to use "<<threads<<" threads"<<std::endl;
|
|
|
|
const int Ls=8;
|
|
GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplex::Nsimd()),GridDefaultMpi());
|
|
GridRedBlackCartesian * UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
|
|
GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid);
|
|
GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGrid);
|
|
|
|
|
|
std::vector<int> seeds4({1,2,3,4});
|
|
std::vector<int> seeds5({5,6,7,8});
|
|
GridParallelRNG RNG5(FGrid); RNG5.SeedFixedIntegers(seeds5);
|
|
GridParallelRNG RNG4(UGrid); RNG4.SeedFixedIntegers(seeds4);
|
|
|
|
LatticeGaugeField Umu(UGrid); SU3::HotConfiguration(RNG4,Umu);
|
|
std::vector<LatticeColourMatrix> U(4,UGrid);
|
|
|
|
RealD mass=0.1;
|
|
RealD M5 =1.8;
|
|
std::cout<<GridLogMessage <<"DomainWallFermion test"<<std::endl;
|
|
DomainWallFermionR Ddwf(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5);
|
|
TestWhat<DomainWallFermionR>(Ddwf,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
|
|
|
RealD b=1.5;// Scale factor b+c=2, b-c=1
|
|
RealD c=0.5;
|
|
std::vector<ComplexD> gamma(Ls,ComplexD(1.0,0.1));
|
|
|
|
std::cout<<GridLogMessage <<"MobiusFermion test"<<std::endl;
|
|
MobiusFermionR Dmob(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,b,c);
|
|
TestWhat<MobiusFermionR>(Dmob,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
|
|
|
std::cout<<GridLogMessage <<"ZMobiusFermion test"<<std::endl;
|
|
ZMobiusFermionR ZDmob(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,gamma,b,c);
|
|
TestWhat<ZMobiusFermionR>(ZDmob,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
|
|
|
std::cout<<GridLogMessage <<"MobiusZolotarevFermion test"<<std::endl;
|
|
MobiusZolotarevFermionR Dzolo(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,b,c,0.1,2.0);
|
|
TestWhat<MobiusZolotarevFermionR>(Dzolo,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
|
|
|
std::cout<<GridLogMessage <<"ScaledShamirFermion test"<<std::endl;
|
|
ScaledShamirFermionR Dsham(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,2.0);
|
|
TestWhat<ScaledShamirFermionR>(Dsham,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
|
|
|
|
|
std::cout<<GridLogMessage <<"ShamirZolotarevFermion test"<<std::endl;
|
|
ShamirZolotarevFermionR Dshamz(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,0.1,2.0);
|
|
TestWhat<ShamirZolotarevFermionR>(Dshamz,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
|
|
|
std::cout<<GridLogMessage <<"OverlapWilsonCayleyTanhFermion test"<<std::endl;
|
|
OverlapWilsonCayleyTanhFermionR Dov(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,1.0);
|
|
TestWhat<OverlapWilsonCayleyTanhFermionR>(Dov,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
|
|
|
std::cout<<GridLogMessage <<"OverlapWilsonCayleyZolotarevFermion test"<<std::endl;
|
|
OverlapWilsonCayleyZolotarevFermionR Dovz(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,0.1,2.0);
|
|
TestWhat<OverlapWilsonCayleyZolotarevFermionR>(Dovz,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
|
|
|
Grid_finalize();
|
|
}
|
|
|
|
template<class What>
|
|
void TestWhat(What & Ddwf,
|
|
GridCartesian * FGrid, GridRedBlackCartesian * FrbGrid,
|
|
GridCartesian * UGrid, GridRedBlackCartesian * UrbGrid,
|
|
RealD mass, RealD M5,
|
|
GridParallelRNG *RNG4,
|
|
GridParallelRNG *RNG5)
|
|
{
|
|
|
|
LatticeFermion src (FGrid); random(*RNG5,src);
|
|
LatticeFermion phi (FGrid); random(*RNG5,phi);
|
|
LatticeFermion chi (FGrid); random(*RNG5,chi);
|
|
LatticeFermion result(FGrid); result=zero;
|
|
LatticeFermion ref(FGrid); ref=zero;
|
|
LatticeFermion tmp(FGrid); tmp=zero;
|
|
LatticeFermion err(FGrid); tmp=zero;
|
|
|
|
LatticeFermion src_e (FrbGrid);
|
|
LatticeFermion src_o (FrbGrid);
|
|
LatticeFermion r_e (FrbGrid);
|
|
LatticeFermion r_o (FrbGrid);
|
|
LatticeFermion r_eo (FGrid);
|
|
LatticeFermion r_eeoo(FGrid);
|
|
|
|
std::cout<<GridLogMessage<<"=========================================================="<<std::endl;
|
|
std::cout<<GridLogMessage<<"= Testing that Meo + Moe + Moo + Mee = Munprec "<<std::endl;
|
|
std::cout<<GridLogMessage<<"=========================================================="<<std::endl;
|
|
|
|
pickCheckerboard(Even,src_e,src);
|
|
pickCheckerboard(Odd,src_o,src);
|
|
|
|
Ddwf.Meooe(src_e,r_o); std::cout<<GridLogMessage<<"Applied Meo"<<std::endl;
|
|
Ddwf.Meooe(src_o,r_e); std::cout<<GridLogMessage<<"Applied Moe"<<std::endl;
|
|
setCheckerboard(r_eo,r_o);
|
|
setCheckerboard(r_eo,r_e);
|
|
|
|
Ddwf.Mooee(src_e,r_e); std::cout<<GridLogMessage<<"Applied Mee"<<std::endl;
|
|
Ddwf.Mooee(src_o,r_o); std::cout<<GridLogMessage<<"Applied Moo"<<std::endl;
|
|
setCheckerboard(r_eeoo,r_e);
|
|
setCheckerboard(r_eeoo,r_o);
|
|
|
|
r_eo=r_eo+r_eeoo;
|
|
Ddwf.M(src,ref);
|
|
|
|
// std::cout<<GridLogMessage << r_eo<<std::endl;
|
|
// std::cout<<GridLogMessage << ref <<std::endl;
|
|
|
|
err= ref - r_eo;
|
|
std::cout<<GridLogMessage << "EO norm diff "<< norm2(err)<< " "<<norm2(ref)<< " " << norm2(r_eo) <<std::endl;
|
|
|
|
LatticeComplex cerr(FGrid);
|
|
cerr = localInnerProduct(err,err);
|
|
// std::cout<<GridLogMessage << cerr<<std::endl;
|
|
|
|
std::cout<<GridLogMessage<<"=============================================================="<<std::endl;
|
|
std::cout<<GridLogMessage<<"= Test Ddagger is the dagger of D by requiring "<<std::endl;
|
|
std::cout<<GridLogMessage<<"= < phi | Deo | chi > * = < chi | Deo^dag| phi> "<<std::endl;
|
|
std::cout<<GridLogMessage<<"=============================================================="<<std::endl;
|
|
|
|
LatticeFermion chi_e (FrbGrid);
|
|
LatticeFermion chi_o (FrbGrid);
|
|
|
|
LatticeFermion dchi_e (FrbGrid);
|
|
LatticeFermion dchi_o (FrbGrid);
|
|
|
|
LatticeFermion phi_e (FrbGrid);
|
|
LatticeFermion phi_o (FrbGrid);
|
|
|
|
LatticeFermion dphi_e (FrbGrid);
|
|
LatticeFermion dphi_o (FrbGrid);
|
|
|
|
|
|
pickCheckerboard(Even,chi_e,chi);
|
|
pickCheckerboard(Odd ,chi_o,chi);
|
|
pickCheckerboard(Even,phi_e,phi);
|
|
pickCheckerboard(Odd ,phi_o,phi);
|
|
|
|
Ddwf.Meooe(chi_e,dchi_o);
|
|
Ddwf.Meooe(chi_o,dchi_e);
|
|
Ddwf.MeooeDag(phi_e,dphi_o);
|
|
Ddwf.MeooeDag(phi_o,dphi_e);
|
|
|
|
ComplexD pDce = innerProduct(phi_e,dchi_e);
|
|
ComplexD pDco = innerProduct(phi_o,dchi_o);
|
|
ComplexD cDpe = innerProduct(chi_e,dphi_e);
|
|
ComplexD cDpo = innerProduct(chi_o,dphi_o);
|
|
|
|
std::cout<<GridLogMessage <<"e "<<pDce<<" "<<cDpe <<std::endl;
|
|
std::cout<<GridLogMessage <<"o "<<pDco<<" "<<cDpo <<std::endl;
|
|
|
|
std::cout<<GridLogMessage <<"pDce - conj(cDpo) "<< pDce-conj(cDpo) <<std::endl;
|
|
std::cout<<GridLogMessage <<"pDco - conj(cDpe) "<< pDco-conj(cDpe) <<std::endl;
|
|
|
|
std::cout<<GridLogMessage<<"=============================================================="<<std::endl;
|
|
std::cout<<GridLogMessage<<"= Test MeeInv Mee = 1 "<<std::endl;
|
|
std::cout<<GridLogMessage<<"=============================================================="<<std::endl;
|
|
|
|
pickCheckerboard(Even,chi_e,chi);
|
|
pickCheckerboard(Odd ,chi_o,chi);
|
|
|
|
Ddwf.Mooee(chi_e,src_e);
|
|
Ddwf.MooeeInv(src_e,phi_e);
|
|
|
|
Ddwf.Mooee(chi_o,src_o);
|
|
Ddwf.MooeeInv(src_o,phi_o);
|
|
|
|
setCheckerboard(phi,phi_e);
|
|
setCheckerboard(phi,phi_o);
|
|
|
|
err = phi-chi;
|
|
std::cout<<GridLogMessage << "norm diff "<< norm2(err)<< std::endl;
|
|
|
|
std::cout<<GridLogMessage<<"=============================================================="<<std::endl;
|
|
std::cout<<GridLogMessage<<"= Test MeeInvDag MeeDag = 1 "<<std::endl;
|
|
std::cout<<GridLogMessage<<"=============================================================="<<std::endl;
|
|
|
|
pickCheckerboard(Even,chi_e,chi);
|
|
pickCheckerboard(Odd ,chi_o,chi);
|
|
|
|
Ddwf.MooeeDag(chi_e,src_e);
|
|
Ddwf.MooeeInvDag(src_e,phi_e);
|
|
|
|
Ddwf.MooeeDag(chi_o,src_o);
|
|
Ddwf.MooeeInvDag(src_o,phi_o);
|
|
|
|
setCheckerboard(phi,phi_e);
|
|
setCheckerboard(phi,phi_o);
|
|
|
|
err = phi-chi;
|
|
std::cout<<GridLogMessage << "norm diff "<< norm2(err)<< std::endl;
|
|
|
|
}
|