mirror of
https://github.com/paboyle/Grid.git
synced 2024-11-14 01:35:36 +00:00
223 lines
7.8 KiB
C++
223 lines
7.8 KiB
C++
/*************************************************************************************
|
|
|
|
Grid physics library, www.github.com/paboyle/Grid
|
|
|
|
Source file: ./tests/Test_gpwilson_even_odd.cc
|
|
|
|
Copyright (C) 2015
|
|
|
|
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.h>
|
|
|
|
using namespace std;
|
|
using namespace Grid;
|
|
using namespace Grid::QCD;
|
|
|
|
int main (int argc, char ** argv)
|
|
{
|
|
Grid_init(&argc,&argv);
|
|
|
|
std::vector<int> latt_size = GridDefaultLatt();
|
|
std::vector<int> simd_layout = GridDefaultSimd(Nd,vComplex::Nsimd());
|
|
std::vector<int> mpi_layout = GridDefaultMpi();
|
|
GridCartesian Grid(latt_size,simd_layout,mpi_layout);
|
|
GridRedBlackCartesian RBGrid(latt_size,simd_layout,mpi_layout);
|
|
|
|
int threads = GridThread::GetThreads();
|
|
std::cout<<GridLogMessage << "Grid is setup to use "<<threads<<" threads"<<std::endl;
|
|
|
|
std::vector<int> seeds({1,2,3,4});
|
|
|
|
GridParallelRNG pRNG(&Grid);
|
|
// std::vector<int> seeds({1,2,3,4});
|
|
// pRNG.SeedFixedIntegers(seeds);
|
|
pRNG.SeedRandomDevice();
|
|
|
|
typedef typename GparityWilsonFermionR::FermionField FermionField;
|
|
|
|
FermionField src (&Grid); random(pRNG,src);
|
|
FermionField phi (&Grid); random(pRNG,phi);
|
|
FermionField chi (&Grid); random(pRNG,chi);
|
|
FermionField result(&Grid); result=zero;
|
|
FermionField ref(&Grid); ref=zero;
|
|
FermionField tmp(&Grid); tmp=zero;
|
|
FermionField err(&Grid); tmp=zero;
|
|
LatticeGaugeField Umu(&Grid); random(pRNG,Umu);
|
|
std::vector<LatticeColourMatrix> U(4,&Grid);
|
|
|
|
double volume=1;
|
|
for(int mu=0;mu<Nd;mu++){
|
|
volume=volume*latt_size[mu];
|
|
}
|
|
|
|
// Only one non-zero (y)
|
|
Umu=zero;
|
|
for(int nn=0;nn<Nd;nn++){
|
|
random(pRNG,U[nn]);
|
|
std::cout<<GridLogMessage<<"U[nn]"<<norm2(U[nn])<<std::endl;
|
|
PokeIndex<LorentzIndex>(Umu,U[nn],nn);
|
|
std::cout<<GridLogMessage<<"Umu"<<norm2(Umu)<<std::endl;
|
|
}
|
|
|
|
RealD mass=0.1;
|
|
|
|
GparityWilsonFermionR::ImplParams params;
|
|
std::vector<int> twists(Nd,0); twists[1] = 1;
|
|
params.twists = twists;
|
|
GparityWilsonFermionR Dw(Umu,Grid,RBGrid,mass,params);
|
|
|
|
FermionField src_e (&RBGrid);
|
|
FermionField src_o (&RBGrid);
|
|
FermionField r_e (&RBGrid);
|
|
FermionField r_o (&RBGrid);
|
|
FermionField r_eo (&Grid);
|
|
|
|
std::cout<<GridLogMessage<<"=========================================================="<<std::endl;
|
|
std::cout<<GridLogMessage<<"= Testing that Deo + Doe = Dunprec "<<std::endl;
|
|
std::cout<<GridLogMessage<<"=========================================================="<<std::endl;
|
|
|
|
pickCheckerboard(Even,src_e,src);
|
|
pickCheckerboard(Odd,src_o,src);
|
|
|
|
Dw.Meooe(src_e,r_o); std::cout<<GridLogMessage<<"Applied Meo"<<std::endl;
|
|
Dw.Meooe(src_o,r_e); std::cout<<GridLogMessage<<"Applied Moe"<<std::endl;
|
|
Dw.Dhop (src,ref,DaggerNo);
|
|
|
|
setCheckerboard(r_eo,r_o);
|
|
setCheckerboard(r_eo,r_e);
|
|
|
|
err= ref - r_eo;
|
|
std::cout<<GridLogMessage << "EO norm diff "<< norm2(err)<< " "<<norm2(ref)<< " " << norm2(r_eo) <<std::endl;
|
|
|
|
LatticeComplex cerr(&Grid);
|
|
cerr = localInnerProduct(err,err);
|
|
|
|
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;
|
|
|
|
FermionField chi_e (&RBGrid);
|
|
FermionField chi_o (&RBGrid);
|
|
|
|
FermionField dchi_e (&RBGrid);
|
|
FermionField dchi_o (&RBGrid);
|
|
|
|
FermionField phi_e (&RBGrid);
|
|
FermionField phi_o (&RBGrid);
|
|
|
|
FermionField dphi_e (&RBGrid);
|
|
FermionField dphi_o (&RBGrid);
|
|
|
|
|
|
pickCheckerboard(Even,chi_e,chi);
|
|
pickCheckerboard(Odd ,chi_o,chi);
|
|
pickCheckerboard(Even,phi_e,phi);
|
|
pickCheckerboard(Odd ,phi_o,phi);
|
|
|
|
Dw.Meooe(chi_e,dchi_o);
|
|
Dw.Meooe(chi_o,dchi_e);
|
|
Dw.MeooeDag(phi_e,dphi_o);
|
|
Dw.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);
|
|
|
|
Dw.Mooee(chi_e,src_e);
|
|
Dw.MooeeInv(src_e,phi_e);
|
|
|
|
Dw.Mooee(chi_o,src_o);
|
|
Dw.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);
|
|
|
|
Dw.MooeeDag(chi_e,src_e);
|
|
Dw.MooeeInvDag(src_e,phi_e);
|
|
|
|
Dw.MooeeDag(chi_o,src_o);
|
|
Dw.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;
|
|
|
|
std::cout<<GridLogMessage<<"=============================================================="<<std::endl;
|
|
std::cout<<GridLogMessage<<"= Test MpcDagMpc is Hermitian "<<std::endl;
|
|
std::cout<<GridLogMessage<<"=============================================================="<<std::endl;
|
|
|
|
random(pRNG,phi);
|
|
random(pRNG,chi);
|
|
pickCheckerboard(Even,chi_e,chi);
|
|
pickCheckerboard(Odd ,chi_o,chi);
|
|
pickCheckerboard(Even,phi_e,phi);
|
|
pickCheckerboard(Odd ,phi_o,phi);
|
|
RealD t1,t2;
|
|
|
|
SchurDiagMooeeOperator<GparityWilsonFermionR,FermionField> HermOpEO(Dw);
|
|
HermOpEO.MpcDagMpc(chi_e,dchi_e,t1,t2);
|
|
HermOpEO.MpcDagMpc(chi_o,dchi_o,t1,t2);
|
|
|
|
HermOpEO.MpcDagMpc(phi_e,dphi_e,t1,t2);
|
|
HermOpEO.MpcDagMpc(phi_o,dphi_o,t1,t2);
|
|
|
|
pDce = innerProduct(phi_e,dchi_e);
|
|
pDco = innerProduct(phi_o,dchi_o);
|
|
cDpe = innerProduct(chi_e,dphi_e);
|
|
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) "<< pDco-conj(cDpo) <<std::endl;
|
|
std::cout<<GridLogMessage <<"pDco - conj(cDpe) "<< pDce-conj(cDpe) <<std::endl;
|
|
|
|
Grid_finalize();
|
|
}
|