portelli/Grid
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Merge branch 'develop' into feature/gpu-port

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This commit is contained in:
Peter Boyle
2019-07-16 11:55:17 +01:00
parent 7c11525d1a c3d0c176ab
commit fa9cd50c5b
274 changed files with 7120 additions and 4663 deletions
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40
tests/core/Test_fft_gfix.cc
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@ -60,11 +60,18 @@ int main (int argc, char ** argv)
std::cout<< "* Testing we can gauge fix steep descent a RGT of Unit gauge *" <<std::endl;
std::cout<< "*****************************************************************" <<std::endl;
// int coulomb_dir = -1;
int coulomb_dir = Nd-1;
LatticeGaugeField Umu(&GRID);
LatticeGaugeField Urnd(&GRID);
LatticeGaugeField Uorg(&GRID);
LatticeGaugeField Utmp(&GRID);
LatticeColourMatrix g(&GRID); // Gauge xform
LatticeColourMatrix xform1(&GRID); // Gauge xform
LatticeColourMatrix xform2(&GRID); // Gauge xform
LatticeColourMatrix xform3(&GRID); // Gauge xform
SU3::ColdConfiguration(pRNG,Umu); // Unit gauge
Uorg=Umu;
@ -78,7 +85,14 @@ int main (int argc, char ** argv)
Real alpha=0.1;
Umu = Urnd;
FourierAcceleratedGaugeFixer<PeriodicGimplR>::SteepestDescentGaugeFix(Umu,alpha,10000,1.0e-12, 1.0e-12,false);
FourierAcceleratedGaugeFixer<PeriodicGimplR>::SteepestDescentGaugeFix(Umu,xform1,alpha,10000,1.0e-12, 1.0e-12,false);
// Check the gauge xform matrices
Utmp=Urnd;
SU<Nc>::GaugeTransform(Utmp,xform1);
Utmp = Utmp - Umu;
std::cout << " Norm Difference of xformed gauge "<< norm2(Utmp) << std::endl;
plaq=WilsonLoops<PeriodicGimplR>::avgPlaquette(Umu);
std::cout << " Final plaquette "<<plaq << std::endl;
@ -92,7 +106,13 @@ int main (int argc, char ** argv)
std::cout<< "* Testing Fourier accelerated fixing *" <<std::endl;
std::cout<< "*****************************************************************" <<std::endl;
Umu=Urnd;
FourierAcceleratedGaugeFixer<PeriodicGimplR>::SteepestDescentGaugeFix(Umu,alpha,10000,1.0e-12, 1.0e-12,true);
FourierAcceleratedGaugeFixer<PeriodicGimplR>::SteepestDescentGaugeFix(Umu,xform2,alpha,10000,1.0e-12, 1.0e-12,true);
Utmp=Urnd;
SU<Nc>::GaugeTransform(Utmp,xform2);
Utmp = Utmp - Umu;
std::cout << " Norm Difference of xformed gauge "<< norm2(Utmp) << std::endl;
plaq=WilsonLoops<PeriodicGimplR>::avgPlaquette(Umu);
std::cout << " Final plaquette "<<plaq << std::endl;
@ -111,6 +131,22 @@ int main (int argc, char ** argv)
plaq=WilsonLoops<PeriodicGimplR>::avgPlaquette(Umu);
std::cout << " Final plaquette "<<plaq << std::endl;
std::cout<< "*****************************************************************" <<std::endl;
std::cout<< "* Testing Fourier accelerated fixing to coulomb gauge *" <<std::endl;
std::cout<< "*****************************************************************" <<std::endl;
Umu=Urnd;
SU3::HotConfiguration(pRNG,Umu); // Unit gauge
plaq=WilsonLoops<PeriodicGimplR>::avgPlaquette(Umu);
std::cout << " Initial plaquette "<<plaq << std::endl;
FourierAcceleratedGaugeFixer<PeriodicGimplR>::SteepestDescentGaugeFix(Umu,xform3,alpha,10000,1.0e-12, 1.0e-12,true,coulomb_dir);
std::cout << Umu<<std::endl;
plaq=WilsonLoops<PeriodicGimplR>::avgPlaquette(Umu);
std::cout << " Final plaquette "<<plaq << std::endl;
Grid_finalize();
}