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scalar: lambda/4! convention

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This commit is contained in:
Antonin Portelli 2017-06-27 14:38:45 +01:00
parent 0af740dc15
commit 7d7220cbd7
2 changed files with 6 additions and 6 deletions
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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*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 + 2.0*lambda*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);

8
tests/hmc/Test_hmc_ScalarActionNxN.cc
View File

@ -45,7 +45,7 @@ using namespace Grid;
using namespace Grid::QCD;
template <class Impl>
class MagLogger : public HmcObservable<typename Impl::Field> {
class MagMeas : public HmcObservable<typename Impl::Field> {
public:
typedef typename Impl::Field Field;
typedef typename Impl::Simd::scalar_type Trace;
@ -72,13 +72,13 @@ private:
};
template <class Impl>
class MagMod: public ObservableModule<MagLogger<Impl>, NoParameters>{
typedef ObservableModule<MagLogger<Impl>, NoParameters> ObsBase;
class MagMod: public ObservableModule<MagMeas<Impl>, NoParameters>{
typedef ObservableModule<MagMeas<Impl>, NoParameters> ObsBase;
using ObsBase::ObsBase; // for constructors
// acquire resource
virtual void initialize(){
this->ObservablePtr.reset(new MagLogger<Impl>());
this->ObservablePtr.reset(new MagMeas<Impl>());
}
public:
MagMod(): ObsBase(NoParameters()){}