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Views introduced

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paboyle 2018-03-04 16:12:49 +00:00
parent 0e6197fbed
commit 783795a44a
1 changed files with 20 additions and 17 deletions
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37
lib/qcd/utils/SUn.h
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@ -222,21 +222,23 @@ public:
conformable(subgroup, Determinant); conformable(subgroup, Determinant);
int i0, i1; int i0, i1;
su2SubGroupIndex(i0, i1, su2_index); su2SubGroupIndex(i0, i1, su2_index);
auto subgroup_v = subgroup.View();
auto source_v = source.View();
auto Determinant_v = Determinant.View();
thread_loop( (int ss = 0; ss < grid->oSites(); ss++) ,{ thread_loop( (int ss = 0; ss < grid->oSites(); ss++) ,{
subgroup[ss]()()(0, 0) = source[ss]()()(i0, i0); subgroup_v[ss]()()(0, 0) = source_v[ss]()()(i0, i0);
subgroup[ss]()()(0, 1) = source[ss]()()(i0, i1); subgroup_v[ss]()()(0, 1) = source_v[ss]()()(i0, i1);
subgroup[ss]()()(1, 0) = source[ss]()()(i1, i0); subgroup_v[ss]()()(1, 0) = source_v[ss]()()(i1, i0);
subgroup[ss]()()(1, 1) = source[ss]()()(i1, i1); subgroup_v[ss]()()(1, 1) = source_v[ss]()()(i1, i1);
iSU2Matrix<vcplx> Sigma = subgroup[ss]; iSU2Matrix<vcplx> Sigma = subgroup_v[ss];
Sigma = Sigma - adj(Sigma) + trace(adj(Sigma)); Sigma = Sigma - adj(Sigma) + trace(adj(Sigma));
subgroup[ss] = Sigma; subgroup_v[ss] = Sigma;
// this should be purely real // this should be purely real
Determinant[ss] = Determinant_v[ss] =
Sigma()()(0, 0) * Sigma()()(1, 1) - Sigma()()(0, 1) * Sigma()()(1, 0); Sigma()()(0, 0) * Sigma()()(1, 1) - Sigma()()(0, 1) * Sigma()()(1, 0);
}); });
} }
@ -253,11 +255,13 @@ public:
su2SubGroupIndex(i0, i1, su2_index); su2SubGroupIndex(i0, i1, su2_index);
dest = 1.0; // start out with identity dest = 1.0; // start out with identity
auto dest_v = dest.View();
auto subgroup_v = subgroup.View();
thread_loop( (int ss = 0; ss < grid->oSites(); ss++) ,{ thread_loop( (int ss = 0; ss < grid->oSites(); ss++) ,{
dest[ss]()()(i0, i0) = subgroup[ss]()()(0, 0); dest_v[ss]()()(i0, i0) = subgroup_v[ss]()()(0, 0);
dest[ss]()()(i0, i1) = subgroup[ss]()()(0, 1); dest_v[ss]()()(i0, i1) = subgroup_v[ss]()()(0, 1);
dest[ss]()()(i1, i0) = subgroup[ss]()()(1, 0); dest_v[ss]()()(i1, i0) = subgroup_v[ss]()()(1, 0);
dest[ss]()()(i1, i1) = subgroup[ss]()()(1, 1); dest_v[ss]()()(i1, i1) = subgroup_v[ss]()()(1, 1);
}); });
} }
@ -271,12 +275,12 @@ public:
// in action. // in action.
// //
/////////////////////////////////////////////// ///////////////////////////////////////////////
static void SubGroupHeatBath( static void SubGroupHeatBath(GridSerialRNG &sRNG, GridParallelRNG &pRNG,
GridSerialRNG &sRNG, GridParallelRNG &pRNG,
RealD beta, // coeff multiplying staple in action (with no 1/Nc) RealD beta, // coeff multiplying staple in action (with no 1/Nc)
LatticeMatrix &link, LatticeMatrix &link,
const LatticeMatrix &barestaple, // multiplied by action coeffs so th const LatticeMatrix &barestaple, // multiplied by action coeffs so th
int su2_subgroup, int nheatbath, LatticeInteger &wheremask) { int su2_subgroup, int nheatbath, LatticeInteger &wheremask)
{
GridBase *grid = link.Grid(); GridBase *grid = link.Grid();
const RealD twopi = 2.0 * M_PI; const RealD twopi = 2.0 * M_PI;
@ -289,8 +293,7 @@ public:
V = link * staple; V = link * staple;
// Subgroup manipulation in the lie algebra space // Subgroup manipulation in the lie algebra space
LatticeSU2Matrix u( LatticeSU2Matrix u(grid); // Kennedy pendleton "u" real projected normalised Sigma
grid); // Kennedy pendleton "u" real projected normalised Sigma
LatticeSU2Matrix uinv(grid); LatticeSU2Matrix uinv(grid);
LatticeSU2Matrix ua(grid); // a in pauli form LatticeSU2Matrix ua(grid); // a in pauli form
LatticeSU2Matrix b(grid); // rotated matrix after hb LatticeSU2Matrix b(grid); // rotated matrix after hb