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Better tests

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This commit is contained in:
Alessandro Lupo
2021-10-13 15:07:23 +01:00
parent 0d6674e489
commit 4e31e4e094
4 changed files with 161 additions and 73 deletions
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78
Grid/qcd/utils/Sp2n.h
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@ -433,7 +433,85 @@ public:
ColdConfiguration(out);
}
static void OmegaInvariance(ColourMatrix &in)
{
ColourMatrix Omega;
Omega = Zero();
for (int i = 0; i < ncolour; i++)
{
Omega()()(i, 2*ncolour-1-i) = 1.;
Omega()()(2*ncolour-1-i, i) = -1;
}
auto diff = Omega - (in * Omega * transpose(in) );
auto sdiff = norm2(diff);
if (norm2(sdiff) < 1e-8)
{
std::cout << GridLogMessage << "Symplectic condition satisfied: Omega invariant" << std::endl;
} else {
std::cout << GridLogMessage << "WARNING!!!!!! Matrix Omega NOT left invariant by " << norm2(sdiff) << std::endl;
}
}
template<typename GaugeField>
static void OmegaInvariance(GaugeField &in)
{
typedef typename GaugeField::vector_type vector_type;
typedef iSp2nMatrix<vector_type> vMatrixType;
typedef Lattice<vMatrixType> LatticeMatrixType;
LatticeMatrixType U(in.Grid());
LatticeMatrixType OmegaLatt(in.Grid());
LatticeMatrixType identity(in.Grid());
RealD vol = in.Grid()->gSites();
ColourMatrix Omega;
OmegaLatt = Zero();
Omega = Zero();
identity = 1.;
U = PeekIndex<LorentzIndex>(in,1);
OmegaInvariance(U);
}
static void OmegaInvariance(LatticeColourMatrixD &in)
{
LatticeColourMatrixD OmegaLatt(in.Grid());
LatticeColourMatrixD identity(in.Grid());
RealD vol = in.Grid()->gSites();
ColourMatrix Omega;
OmegaLatt = Zero();
Omega = Zero();
identity = 1.;
for (int i = 0; i < ncolour; i++)
{
Omega()()(i, 2*ncolour-1-i) = 1.;
Omega()()(2*ncolour-1-i, i) = -1;
}
OmegaLatt = OmegaLatt + (identity*Omega);
auto diff = OmegaLatt - (in*Omega*transpose(in));
auto sdiff = sum(diff);
//assert( norm2(sdiff) < 1e-8 );
if (norm2(sdiff) < 1e-8)
{
std::cout << GridLogMessage << "Symplectic condition satisfied: Omega invariant" << std::endl;
} else {
std::cout << GridLogMessage << "WARNING!!!!!! Matrix Omega NOT left invariant by " << norm2(sdiff) << std::endl;
}
}
}; // end of class Sp