예제 #1
0
  const RCP<const FactoryBase> FactoryManager<Scalar, LocalOrdinal, GlobalOrdinal, Node, LocalMatOps>::GetDefaultFactory(const std::string & varName) const {
    if (IsAvailable(varName, defaultFactoryTable_)) {

      return defaultFactoryTable_[varName];

    } else {

      if (varName == "A")             return SetAndReturnDefaultFactory(varName, rcp(new RAPFactory()));
      if (varName == "RAP Pattern")   return GetFactory("A");
      if (varName == "AP Pattern")    return GetFactory("A");
      if (varName == "P") {
        RCP<Factory> factory = rcp(new SaPFactory());
        factory->SetFactory("P", GetFactory("Ptent")); // GetFactory("Ptent"): Use the same factory instance for both "P" and "Nullspace"
        return SetAndReturnDefaultFactory(varName, factory);
      }

      if (varName == "R")             return SetAndReturnDefaultFactory(varName, rcp(new TransPFactory()));
#if defined(HAVE_MUELU_ZOLTAN) && defined(HAVE_MPI)
      if (varName == "Partition")     {
        return SetAndReturnDefaultFactory(varName, rcp(new ZoltanInterface()));
      }
#endif //ifdef HAVE_MPI

      if (varName == "Importer") {
#ifdef HAVE_MPI
        return SetAndReturnDefaultFactory(varName, rcp(new RepartitionFactory()));
#else
        return SetAndReturnDefaultFactory(varName, NoFactory::getRCP());
#endif
      }
      if (varName == "number of partitions") {
        return GetFactory("Importer");
      }
      //JJH FIXME is this going to bite me in the backside?
//       if (varName == "Coordinates") {
//         return SetAndReturnDefaultFactory(varName, rcp(new MueLu::MultiVectorTransferFactory<SC,LO,GO,NO,LMO>(varName,"R")));
//       }

      if (varName == "Nullspace") {
        RCP<Factory> factory = rcp(new NullspaceFactory());
        factory->SetFactory("Nullspace", GetFactory("Ptent")); // GetFactory("Ptent"): Use the same factory instance for both "P" and "Nullspace"
        return SetAndReturnDefaultFactory(varName, factory);
      }

      if (varName == "Graph")               return SetAndReturnDefaultFactory(varName, rcp(new CoalesceDropFactory()));
      if (varName == "UnAmalgamationInfo")  return SetAndReturnDefaultFactory(varName, rcp(new AmalgamationFactory())); //GetFactory("Graph"));
      if (varName == "Aggregates")          return SetAndReturnDefaultFactory(varName, rcp(new CoupledAggregationFactory()));
      if (varName == "CoarseMap")           return SetAndReturnDefaultFactory(varName, rcp(new CoarseMapFactory()));
      if (varName == "DofsPerNode")         return GetFactory("Graph");
      if (varName == "Filtering")           return GetFactory("Graph");

      // Same factory for both Pre and Post Smoother. Factory for key "Smoother" can be set by users.
      if (varName == "PreSmoother")         return GetFactory("Smoother");
      if (varName == "PostSmoother")        return GetFactory("Smoother");

#ifdef HAVE_MUELU_EXPERIMENTAL
      if (varName == "Ppattern") {
        RCP<PatternFactory> PpFact = rcp(new PatternFactory);
        PpFact->SetFactory("P", GetFactory("Ptent"));
        return SetAndReturnDefaultFactory(varName, PpFact);
      }
      if (varName == "Constraint")          return SetAndReturnDefaultFactory(varName, rcp(new ConstraintFactory()));
#endif

      //if (varName == "Smoother")    return SetAndReturnDefaultFactory(varName, rcp(new SmootherFactory(rcp(new GaussSeidelSmoother()))));
      if (varName == "Smoother") {
        Teuchos::ParameterList smootherParamList;
        smootherParamList.set("relaxation: type", "Symmetric Gauss-Seidel");
        smootherParamList.set("relaxation: sweeps", (LO) 1);
        smootherParamList.set("relaxation: damping factor", (Scalar) 1.0); //FIXME once Ifpack2's parameter list validator is fixed, change this back to Scalar
        return SetAndReturnDefaultFactory(varName, rcp( new SmootherFactory(rcp(new TrilinosSmoother("RELAXATION", smootherParamList)))));
      }

      if (varName == "CoarseSolver")  return SetAndReturnDefaultFactory(varName, rcp(new SmootherFactory(rcp(new DirectSolver()),Teuchos::null)));

      if (varName == "Ptent") return SetAndReturnDefaultFactory(varName, rcp(new TentativePFactory())); // Use the same factory instance for both "P" and "Nullspace"

      TEUCHOS_TEST_FOR_EXCEPTION(true, MueLu::Exceptions::RuntimeError, "MueLu::FactoryManager::GetDefaultFactory(): No default factory available for building '"+varName+"'.");
    }

  }
  const RCP<const FactoryBase> FactoryManager<Scalar, LocalOrdinal, GlobalOrdinal, Node>::GetDefaultFactory(const std::string& varName) const {
    if (defaultFactoryTable_.count(varName)) {
      // The factory for this name was already created (possibly, for previous level, if we reuse factory manager)
      return defaultFactoryTable_.find(varName)->second;

    } else {
      // No factory was created for this name, but we may know which one to create
      if (varName == "A")                               return SetAndReturnDefaultFactory(varName, rcp(new RAPFactory()));
      if (varName == "RAP Pattern")                     return GetFactory("A");
      if (varName == "AP Pattern")                      return GetFactory("A");
      if (varName == "Ptent")                           return SetAndReturnDefaultFactory(varName, rcp(new TentativePFactory()));
      if (varName == "P") {
        // GetFactory("Ptent"): we need to use the same factory instance for both "P" and "Nullspace"
        RCP<Factory> factory = rcp(new SaPFactory());
        factory->SetFactory("P", GetFactory("Ptent"));
        return SetAndReturnDefaultFactory(varName, factory);
      }
      if (varName == "Nullspace") {
        // GetFactory("Ptent"): we need to use the same factory instance for both "P" and "Nullspace"
        RCP<Factory> factory = rcp(new NullspaceFactory());
        factory->SetFactory("Nullspace", GetFactory("Ptent"));
        return SetAndReturnDefaultFactory(varName, factory);
      }

      if (varName == "R")                               return SetAndReturnDefaultFactory(varName, rcp(new TransPFactory()));
#if defined(HAVE_MUELU_ZOLTAN) && defined(HAVE_MPI)
      if (varName == "Partition")                       return SetAndReturnDefaultFactory(varName, rcp(new ZoltanInterface()));
#endif //ifdef HAVE_MPI

      if (varName == "Importer") {
#ifdef HAVE_MPI
                                                        return SetAndReturnDefaultFactory(varName, rcp(new RepartitionFactory()));
#else
                                                        return SetAndReturnDefaultFactory(varName, NoFactory::getRCP());
#endif
      }

      if (varName == "Graph")                           return SetAndReturnDefaultFactory(varName, rcp(new CoalesceDropFactory()));
      if (varName == "UnAmalgamationInfo")              return SetAndReturnDefaultFactory(varName, rcp(new AmalgamationFactory())); //GetFactory("Graph"));
      if (varName == "Aggregates")                      return SetAndReturnDefaultFactory(varName, rcp(new UncoupledAggregationFactory()));
      if (varName == "CoarseMap")                       return SetAndReturnDefaultFactory(varName, rcp(new CoarseMapFactory()));
      if (varName == "DofsPerNode")                     return GetFactory("Graph");
      if (varName == "Filtering")                       return GetFactory("Graph");
      if (varName == "LineDetection_VertLineIds")       return SetAndReturnDefaultFactory(varName, rcp(new LineDetectionFactory()));
      if (varName == "LineDetection_Layers")            return GetFactory("LineDetection_VertLineIds");
      if (varName == "CoarseNumZLayers")                return GetFactory("LineDetection_VertLineIds");

      // Same factory for both Pre and Post Smoother. Factory for key "Smoother" can be set by users.
      if (varName == "PreSmoother")                     return GetFactory("Smoother");
      if (varName == "PostSmoother")                    return GetFactory("Smoother");

      if (varName == "Ppattern") {
        RCP<PatternFactory> PpFact = rcp(new PatternFactory);
        PpFact->SetFactory("P", GetFactory("Ptent"));
        return SetAndReturnDefaultFactory(varName, PpFact);
      }
      if (varName == "Constraint")                      return SetAndReturnDefaultFactory(varName, rcp(new ConstraintFactory()));

      if (varName == "Smoother") {
        Teuchos::ParameterList smootherParamList;
        smootherParamList.set("relaxation: type",           "Symmetric Gauss-Seidel");
        smootherParamList.set("relaxation: sweeps",         Teuchos::OrdinalTraits<LO>::one());
        smootherParamList.set("relaxation: damping factor", Teuchos::ScalarTraits<Scalar>::one());
        return SetAndReturnDefaultFactory(varName, rcp(new SmootherFactory(rcp(new TrilinosSmoother("RELAXATION", smootherParamList)))));
      }
      if (varName == "CoarseSolver")                    return SetAndReturnDefaultFactory(varName, rcp(new SmootherFactory(rcp(new DirectSolver()), Teuchos::null)));

      TEUCHOS_TEST_FOR_EXCEPTION(true, MueLu::Exceptions::RuntimeError, "MueLu::FactoryManager::GetDefaultFactory(): No default factory available for building '" + varName + "'.");
    }
  }