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Smearing test. Test on free field.

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This commit is contained in:
Azusa Yamaguchi 2019-02-26 11:31:17 +00:00
parent 8f661f6c05
commit 1ea64b24fe
1 changed files with 73 additions and 0 deletions
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tests/smearing/Test_smearing.cc Normal file
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/*
*
Grid physics library, www.github.com/paboyle/Grid
Source file: ./tests/Test_wilson_cg_prec.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;
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);
std::vector<int> seeds({1,2,3,4});
GridParallelRNG pRNG(&Grid); pRNG.SeedFixedIntegers(seeds);
LatticeFermion src(&Grid); random(pRNG,src);
RealD nrm = norm2(src);
LatticeFermion result(&Grid); result=zero;
LatticeGaugeField Umu(&Grid);
// SU3::HotConfiguration(pRNG,Umu);
SU3::ColdConfiguration(Umu);
std::vector<LatticeColourMatrix> U(4,&Grid);
for(int mu=0;mu<Nd;mu++){
U[mu] = PeekIndex<LorentzIndex>(Umu,mu);
}
std::vector<int> site({4,4,0,0});
src=zero;
SpinColourVector scv;
scv=zero;
scv()(0)(0) = 1.0;
pokeSite(scv,src,site);
CovariantSmearing<PeriodicGimplR>::GaussianSmear(U, src, 2.0, 50, Tdir);
std::cout << src <<std::endl;
}