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Hadrons: CG guesser fix

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This commit is contained in:
Antonin Portelli 2018-03-19 13:11:38 +00:00
parent d516938707
commit cbc73a3fd1
1 changed files with 13 additions and 14 deletions
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27
extras/Hadrons/Modules/MSolver/RBPrecCG.hpp
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@ -55,13 +55,14 @@ template <typename FImpl, int nBasis>
class TRBPrecCG: public Module<RBPrecCGPar>
{
public:
FGS_TYPE_ALIASES(FImpl,);
typedef FermionEigenPack<FImpl> EPack;
typedef CoarseFermionEigenPack<FImpl, nBasis> CoarseEPack;
typedef std::shared_ptr<Guesser<FermionField>> GuesserPt;
typedef DeflatedGuesser<typename FImpl::FermionField> FineGuesser;
typedef LocalCoherenceDeflatedGuesser<
typename FImpl::FermionField,
typename CoarseEPack::CoarseField> CoarseGuesser;
FGS_TYPE_ALIASES(FImpl,);
public:
// constructor
TRBPrecCG(const std::string name);
@ -131,41 +132,39 @@ void TRBPrecCG<FImpl, nBasis>::setup(void)
<< par().residual << ", maximum iteration "
<< par().maxIteration << std::endl;
auto Ls = env().getObjectLs(par().action);
auto &mat = envGet(FMat, par().action);
auto Ls = env().getObjectLs(par().action);
auto &mat = envGet(FMat, par().action);
std::string guesserName = getName() + "_guesser";
GuesserPt guesser{nullptr};
if (par().eigenPack.empty())
{
env().template createDerivedObject<Guesser<FermionField>, ZeroGuesser<FermionField>>
(guesserName, Environment::Storage::object, Ls);
guesser.reset(new ZeroGuesser<FermionField>());
}
else
{
try
{
auto &epack = envGetDerived(EPack, CoarseEPack, par().eigenPack);
envCreateDerived(Guesser<FermionField>, CoarseGuesser,
guesserName, Ls, epack.evec, epack.evecCoarse,
epack.evalCoarse);
guesser.reset(new CoarseGuesser(epack.evec, epack.evecCoarse,
epack.evalCoarse));
}
catch (Exceptions::Definition &e)
{
auto &epack = envGet(EPack, par().eigenPack);
envCreateDerived(Guesser<FermionField>, FineGuesser,
guesserName, Ls, epack.evec, epack.eval);
guesser.reset(new FineGuesser(epack.evec, epack.eval));
}
}
auto &guesser = envGet(Guesser<FermionField>, guesserName);
auto solver = [&mat, &guesser, this](FermionField &sol, const FermionField &source)
auto solver = [&mat, guesser, this](FermionField &sol,
const FermionField &source)
{
ConjugateGradient<FermionField> cg(par().residual,
par().maxIteration);
HADRONS_DEFAULT_SCHUR_SOLVE<FermionField> schurSolver(cg);
schurSolver(mat, source, sol, guesser);
schurSolver(mat, source, sol, *guesser);
};
envCreate(SolverFn, getName(), Ls, solver);
}