mirror of
https://github.com/paboyle/Grid.git
synced 2024-09-20 09:15:38 +01:00
95 lines
2.7 KiB
C++
95 lines
2.7 KiB
C++
#include <Grid.h>
|
|
|
|
#include <qcd/utils/CovariantCshift.h>
|
|
#include <qcd/utils/WilsonLoops.h>
|
|
#include <qcd/utils/SUn.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({4,4,4,8});
|
|
GridCartesian * grid = SpaceTimeGrid::makeFourDimGrid(latt,
|
|
GridDefaultSimd(Nd,vComplexF::Nsimd()),
|
|
GridDefaultMpi());
|
|
|
|
GridRedBlackCartesian * rbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(grid);
|
|
|
|
std::cout<<"*********************************************"<<std::endl;
|
|
std::cout<<"* Generators for SU(2)"<<std::endl;
|
|
std::cout<<"*********************************************"<<std::endl;
|
|
SU2::printGenerators();
|
|
SU2::testGenerators();
|
|
|
|
std::cout<<"*********************************************"<<std::endl;
|
|
std::cout<<"* Generators for SU(3)"<<std::endl;
|
|
std::cout<<"*********************************************"<<std::endl;
|
|
SU3::printGenerators();
|
|
SU3::testGenerators();
|
|
|
|
// std::cout<<"*********************************************"<<std::endl;
|
|
// std::cout<<"* Generators for SU(4)"<<std::endl;
|
|
// std::cout<<"*********************************************"<<std::endl;
|
|
// SU4::printGenerators();
|
|
// SU4::testGenerators();
|
|
|
|
// std::cout<<"*********************************************"<<std::endl;
|
|
// std::cout<<"* Generators for SU(5)"<<std::endl;
|
|
// std::cout<<"*********************************************"<<std::endl;
|
|
// SU5::printGenerators();
|
|
// SU5::testGenerators();
|
|
|
|
///////////////////////////////
|
|
// Configuration of known size
|
|
///////////////////////////////
|
|
NerscField header;
|
|
std::string file("./ckpoint_lat.400");
|
|
LatticeGaugeField Umu(grid);
|
|
// readNerscConfiguration(Umu,header,file);
|
|
Umu=1.0; // Cold start
|
|
|
|
// 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);
|
|
|
|
// SU3 colour operatoions
|
|
LatticeColourMatrix link(grid);
|
|
LatticeColourMatrix staple(grid);
|
|
int mu=0;
|
|
|
|
// Get Staple
|
|
ColourWilsonLoops::Staple(staple,Umu,mu);
|
|
// Get Link
|
|
link = peekIndex<LorentzIndex>(Umu,mu);
|
|
|
|
// Apply heatbath to the link
|
|
RealD beta=6.0;
|
|
int subgroup=0;
|
|
int nhb=1;
|
|
int trials=0;
|
|
int fails=0;
|
|
|
|
LatticeInteger one(rbGrid); one = 1; // fill with ones
|
|
LatticeInteger mask(grid); mask= zero;
|
|
one.checkerboard=Even;
|
|
setCheckerboard(mask,one);
|
|
|
|
// update Even checkerboard
|
|
|
|
SU3::SubGroupHeatBath(sRNG,pRNG,beta,link,staple,subgroup,
|
|
nhb,trials,fails,mask);
|
|
|
|
|
|
|
|
Grid_finalize();
|
|
}
|
|
|
|
|