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54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
/*
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* Policy classes for the HMC
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* Author: Guido Cossu
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*/
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#ifndef FUNDAMENTAL_H
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#define FUNDAMENTAL_H
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NAMESPACE_BEGIN(Grid);
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/*
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* This is an helper class for the HMC
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* Empty since HMC updates already the fundamental representation
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*/
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template <int ncolour, class group_name>
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class FundamentalRep {
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public:
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static const int Dimension = ncolour;
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static const bool isFundamental = true;
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// typdef to be used by the Representations class in HMC to get the
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// types for the higher representation fields
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typedef typename GaugeGroup<ncolour,group_name>::LatticeMatrix LatticeMatrix;
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typedef LatticeGaugeField LatticeField;
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explicit FundamentalRep(GridBase* grid) {} //do nothing
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void update_representation(const LatticeGaugeField& Uin) {} // do nothing
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LatticeField RtoFundamentalProject(const LatticeField& in, Real scale = 1.0) const{
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return (scale * in);
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}
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};
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template<class Field>
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class EmptyRep {
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public:
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typedef Field LatticeField;
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explicit EmptyRep(GridBase* grid) {} //do nothing
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void update_representation(const LatticeField& Uin) {} // do nothing
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LatticeField RtoFundamentalProject(const LatticeField& in, Real scale = 1.0) const{}// do nothing
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};
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typedef FundamentalRep<Nc,GroupName::SU> FundamentalRepresentation;
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typedef FundamentalRep<Nc,GroupName::Sp> SpFundamentalRepresentation;
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NAMESPACE_END(Grid);
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#endif
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