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minor scalar action fixes

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Antonin Portelli
2017-06-28 12:45:44 +01:00
parent 0b707b861c
commit 07de925127
2 changed files with 4 additions and 4 deletions
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4
lib/qcd/action/scalar/ScalarImpl.h
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@@ -124,11 +124,11 @@ class ScalarImplTypes {
}
static inline void HotConfiguration(GridParallelRNG &pRNG, Field &U) {
Group::LieRandomize(pRNG, U);
Group::GaussianFundamentalLieAlgebraMatrix(pRNG, U);
}
static inline void TepidConfiguration(GridParallelRNG &pRNG, Field &U) {
Group::LieRandomize(pRNG, U, 0.01);
Group::GaussianFundamentalLieAlgebraMatrix(pRNG, U, 0.01);
}
static inline void ColdConfiguration(GridParallelRNG &pRNG, Field &U) {

4
lib/qcd/action/scalar/ScalarInteractionAction.h
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@@ -81,7 +81,7 @@ namespace Grid {
phiStencil.HaloExchange(p, compressor);
Field action(p._grid), pshift(p._grid), phisquared(p._grid);
phisquared = p*p;
action = (2.0*Ndim + mass_square)*phisquared + lambda/24.*phisquared*phisquared;
action = (2.0*Ndim + mass_square)*phisquared - lambda/24.*phisquared*phisquared;
for (int mu = 0; mu < Ndim; mu++) {
// pshift = Cshift(p, mu, +1); // not efficient, implement with stencils
parallel_for (int i = 0; i < p._grid->oSites(); i++) {
@@ -113,7 +113,7 @@ namespace Grid {
virtual void deriv(const Field &p, Field &force) {
assert(p._grid->Nd() == Ndim);
force = (2.0*Ndim + mass_square)*p + lambda/12.*p*p*p;
force = (2.0*Ndim + mass_square)*p - lambda/12.*p*p*p;
// move this outside
static Stencil phiStencil(p._grid, npoint, 0, directions, displacements);
phiStencil.HaloExchange(p, compressor);