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Grid/lib/qcd/hmc/integrators/Integrator.cc
2015-07-06 16:46:43 +09:00

29 lines
636 B
C++

/*!
@file Integrator_base.cc
@brief utilities for MD including funcs to generate initial HMC momentum
*/
#include <Grid.h>
namespace Grid{
namespace QCD{
void MDutils::generate_momenta(LatticeLorentzColourMatrix& P,GridParallelRNG& pRNG){
// for future support of different groups
MDutils::generate_momenta_su3(P, pRNG);
}
void MDutils::generate_momenta_su3(LatticeLorentzColourMatrix& P,GridParallelRNG& pRNG){
LatticeColourMatrix Pmu(P._grid);
Pmu = zero;
for(int mu=0;mu<Nd;mu++){
SU3::GaussianLieAlgebraMatrix(pRNG, Pmu);
pokeLorentz(P, Pmu, mu);
}
}
}
}