mirror of
https://github.com/paboyle/Grid.git
synced 2024-11-15 02:05:37 +00:00
107 lines
2.9 KiB
C++
107 lines
2.9 KiB
C++
|
/*************************************************************************************
|
||
|
|
|
||
|
|
Grid physics library, www.github.com/paboyle/Grid
|
||
|
|
|
||
|
|
Source file: ./tests/Test_quenched_update.cc
|
||
|
|
|
||
|
|
Copyright (C) 2015
|
||
|
|
|
||
|
|
Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
|
||
|
|
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;
|
||
|
|
;
|
||
|
|
|
||
|
|
int main (int argc, char ** argv)
|
||
|
|
{
|
||
|
|
Grid_init(&argc,&argv);
|
||
|
|
|
||
|
|
std::vector<int> latt({8,8,8,8});
|
||
|
|
GridCartesian * grid = SpaceTimeGrid::makeFourDimGrid(latt,
|
||
|
|
GridDefaultSimd(Nd,vComplexD::Nsimd()),
|
||
|
|
GridDefaultMpi());
|
||
|
|
|
||
|
|
GridCartesian * gridF = SpaceTimeGrid::makeFourDimGrid(latt,
|
||
|
|
GridDefaultSimd(Nd,vComplexF::Nsimd()),
|
||
|
|
GridDefaultMpi());
|
||
|
|
|
||
|
|
|
||
|
|
///////////////////////////////
|
||
|
|
// Configuration of known size
|
||
|
|
///////////////////////////////
|
||
|
|
LatticeColourMatrixD ident(grid);
|
||
|
|
LatticeColourMatrixD U(grid);
|
||
|
|
LatticeColourMatrixD tmp(grid);
|
||
|
|
LatticeColourMatrixD org(grid);
|
||
|
|
LatticeColourMatrixF UF(gridF);
|
||
|
|
|
||
|
|
LatticeGaugeField Umu(grid);
|
||
|
|
|
||
|
|
ident =1.0;
|
||
|
|
|
||
|
|
// RNG set up for test
|
||
|
|
std::vector<int> pseeds({1,2,3,4,5}); // once I caught a fish alive
|
||
|
|
std::vector<int> sseeds({6,7,8,9,10});// then i let it go again
|
||
|
|
GridParallelRNG pRNG(grid); pRNG.SeedFixedIntegers(pseeds);
|
||
|
|
GridSerialRNG sRNG; sRNG.SeedFixedIntegers(sseeds);
|
||
|
|
|
||
|
|
SU<Nc>::HotConfiguration(pRNG,Umu);
|
||
|
|
|
||
|
|
U = PeekIndex<LorentzIndex>(Umu,0);
|
||
|
|
org=U;
|
||
|
|
|
||
|
|
|
||
|
|
tmp= U*adj(U) - ident ;
|
||
|
|
RealD Def1 = norm2( tmp );
|
||
|
|
std::cout << " Defect1 "<<Def1<<std::endl;
|
||
|
|
|
||
|
|
tmp = U - org;
|
||
|
|
std::cout << "Diff1 "<<norm2(tmp)<<std::endl;
|
||
|
|
precisionChange(UF,U);
|
||
|
|
precisionChange(U,UF);
|
||
|
|
|
||
|
|
tmp= U*adj(U) - ident ;
|
||
|
|
RealD Def2 = norm2( tmp );
|
||
|
|
std::cout << " Defect2 "<<Def2<<std::endl;
|
||
|
|
|
||
|
|
tmp = U - org;
|
||
|
|
std::cout << "Diff2 "<<norm2(tmp)<<std::endl;
|
||
|
|
|
||
|
|
U = ProjectOnGroup(U);
|
||
|
|
|
||
|
|
tmp= U*adj(U) - ident ;
|
||
|
|
RealD Def3 = norm2( tmp);
|
||
|
|
std::cout << " Defect3 "<<Def3<<std::endl;
|
||
|
|
|
||
|
|
|
||
|
|
tmp = U - org;
|
||
|
|
std::cout << "Diff3 "<<norm2(tmp)<<std::endl;
|
||
|
|
|
||
|
|
|
||
|
|
Grid_finalize();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|