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Two flavour HMC for Wilson/Wilson is conserving energy.

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Still to check plaq and <e(-dH)>, but nevertheless this is
progress
This commit is contained in:
Peter Boyle
2015-07-29 17:53:39 +09:00
parent 4cc2ef84d3
commit 4fe110bd07
20 changed files with 259 additions and 76 deletions
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9
lib/qcd/hmc/integrators/Integrator.h
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@ -63,7 +63,6 @@ namespace Grid{
}
}
void update_U(LatticeLorentzColourMatrix&U, double ep){
//rewrite exponential to deal automatically with the lorentz index?
LatticeColourMatrix Umu(U._grid);
@ -77,7 +76,6 @@ namespace Grid{
}
friend void IntegratorAlgorithm::step (LatticeLorentzColourMatrix& U,
int level, std::vector<int>& clock,
@ -92,9 +90,9 @@ namespace Grid{
~Integrator(){}
//Initialization of momenta and actions
void init(LatticeLorentzColourMatrix& U){
std::cout<<GridLogMessage<< "Integrator init\n";
MDutils::generate_momenta(*P,pRNG);
@ -105,7 +103,6 @@ namespace Grid{
}
}
// Calculate action
RealD S(LatticeLorentzColourMatrix& U){
LatticeComplex Hloc(U._grid);
@ -119,12 +116,14 @@ namespace Grid{
RealD H = Hsum.real();
std::cout<<GridLogMessage << "H_p = "<< H << "\n";
std::cout<<GridLogMessage << "Momentum action H_p = "<< H << "\n";
// Actions
for(int level=0; level<as.size(); ++level)
for(int actionID=0; actionID<as.at(level).size(); ++actionID)
H += as[level].at(actionID)->S(U);
std::cout<<GridLogMessage << "Total action H = "<< H << "\n";
return H;
}