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