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This commit is contained in:
Guido Cossu
2016-10-11 15:45:20 +01:00
parent c68a2b9637
commit eda4dd622e
4 changed files with 82 additions and 21 deletions
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87
lib/qcd/QCD.h
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@ -33,6 +33,71 @@ Author: paboyle <paboyle@ph.ed.ac.uk>
#define GRID_QCD_H
namespace Grid{
// First steps in the complete generalization of the Physics part
namespace LatticeTheories {
template <int Dimensions>
struct LatticeTheory {
static const int Nd = Dimensions;
static const int Nds = Dimensions * 2; // double stored field
template <typename vtype>
using iSinglet = iScalar<iScalar<iScalar<vtype> > >;
};
template <int Dimensions, int Colours>
struct LatticeGaugeTheory : public LatticeTheory<Dimensions> {
static const int Nds = Dimensions * 2;
static const int Nd = Dimensions;
static const int Nc = Colours;
template <typename vtype>
using iColourMatrix = iScalar<iScalar<iMatrix<vtype, Nc> > >;
template <typename vtype>
using iLorentzColourMatrix = iVector<iScalar<iMatrix<vtype, Nc> >, Nd>;
template <typename vtype>
using iDoubleStoredColourMatrix = iVector<iScalar<iMatrix<vtype, Nc> >, Nds>;
template <typename vtype>
using iColourVector = iScalar<iScalar<iVector<vtype, Nc> > >;
};
template <int Dimensions, int Colours, int Spin>
struct FermionicLatticeGaugeTheory
: public LatticeGaugeTheory<Dimensions, Colours> {
static const int Nd = Dimensions;
static const int Nds = Dimensions * 2;
static const int Nc = Colours;
static const int Ns = Spin;
template <typename vtype>
using iSpinMatrix = iScalar<iMatrix<iScalar<vtype>, Ns> >;
template <typename vtype>
using iSpinColourMatrix = iScalar<iMatrix<iMatrix<vtype, Nc>, Ns> >;
template <typename vtype>
using iSpinVector = iScalar<iVector<iScalar<vtype>, Ns> >;
template <typename vtype>
using iSpinColourVector = iScalar<iVector<iVector<vtype, Nc>, Ns> >;
// These 2 only is Spin is a multiple of 2
static const int Nhs = Spin / 2;
template <typename vtype>
using iHalfSpinVector = iScalar<iVector<iScalar<vtype>, Nhs> >;
template <typename vtype>
using iHalfSpinColourVector = iScalar<iVector<iVector<vtype, Nc>, Nhs> >;
};
struct QCD : public FermionicLatticeGaugeTheory<4, 3, 4> {
typedef FermionicLatticeGaugeTheory FLGT;
typedef FLGT::iSpinMatrix<Complex > SpinMatrix;
typedef FLGT::iSpinMatrix<ComplexF > SpinMatrixF;
typedef FLGT::iSpinMatrix<ComplexD > SpinMatrixD;
};
struct QED : public FermionicLatticeGaugeTheory<4, 1, 4> {};
template <int Dimensions>
struct Scalar : public LatticeTheory<Dimensions> {};
} // LatticeTheories
namespace QCD {
@ -355,36 +420,36 @@ namespace QCD {
//////////////////////////////////////////////
template<class vobj>
void pokeColour(Lattice<vobj> &lhs,
const Lattice<decltype(peekIndex<ColourIndex>(lhs._odata[0],0))> & rhs,
int i)
const Lattice<decltype(peekIndex<ColourIndex>(lhs._odata[0],0))> & rhs,
int i)
{
PokeIndex<ColourIndex>(lhs,rhs,i);
}
template<class vobj>
void pokeColour(Lattice<vobj> &lhs,
const Lattice<decltype(peekIndex<ColourIndex>(lhs._odata[0],0,0))> & rhs,
int i,int j)
const Lattice<decltype(peekIndex<ColourIndex>(lhs._odata[0],0,0))> & rhs,
int i,int j)
{
PokeIndex<ColourIndex>(lhs,rhs,i,j);
}
template<class vobj>
void pokeSpin(Lattice<vobj> &lhs,
const Lattice<decltype(peekIndex<SpinIndex>(lhs._odata[0],0))> & rhs,
int i)
const Lattice<decltype(peekIndex<SpinIndex>(lhs._odata[0],0))> & rhs,
int i)
{
PokeIndex<SpinIndex>(lhs,rhs,i);
}
template<class vobj>
void pokeSpin(Lattice<vobj> &lhs,
const Lattice<decltype(peekIndex<SpinIndex>(lhs._odata[0],0,0))> & rhs,
int i,int j)
const Lattice<decltype(peekIndex<SpinIndex>(lhs._odata[0],0,0))> & rhs,
int i,int j)
{
PokeIndex<SpinIndex>(lhs,rhs,i,j);
}
template<class vobj>
void pokeLorentz(Lattice<vobj> &lhs,
const Lattice<decltype(peekIndex<LorentzIndex>(lhs._odata[0],0))> & rhs,
int i)
const Lattice<decltype(peekIndex<LorentzIndex>(lhs._odata[0],0))> & rhs,
int i)
{
PokeIndex<LorentzIndex>(lhs,rhs,i);
}
@ -500,7 +565,7 @@ namespace QCD {
#include <Grid/qcd/utils/LinalgUtils.h>
#include <Grid/qcd/utils/CovariantCshift.h>
// Include representations
// Include representations
#include <Grid/qcd/utils/SUn.h>
#include <Grid/qcd/utils/SUnAdjoint.h>
#include <Grid/qcd/utils/SUnTwoIndex.h>