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MueLu_MergedSmoother_decl.hpp
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46 #ifndef MUELU_MERGEDSMOOTHER_DECL_HPP
47 #define MUELU_MERGEDSMOOTHER_DECL_HPP
48 
49 #include "MueLu_ConfigDefs.hpp"
51 #include "MueLu_SmootherPrototype.hpp"
52 
57 namespace MueLu {
58 
59  class Level;
60 
61  template <class Scalar = SmootherPrototype<>::scalar_type,
62  class LocalOrdinal = typename SmootherPrototype<Scalar>::local_ordinal_type,
63  class GlobalOrdinal = typename SmootherPrototype<Scalar, LocalOrdinal>::global_ordinal_type,
64  class Node = typename SmootherPrototype<Scalar, LocalOrdinal, GlobalOrdinal>::node_type>
65  class MergedSmoother : public SmootherPrototype<Scalar,LocalOrdinal,GlobalOrdinal,Node> {
66 #undef MUELU_MERGEDSMOOTHER_SHORT
67 #include "MueLu_UseShortNames.hpp"
68 
69  public:
71 
72 
74  MergedSmoother(ArrayRCP<RCP<SmootherPrototype> >& smootherList, bool verbose = false);
75 
77  MergedSmoother(const MergedSmoother& src);
78 
81 
83  virtual ~MergedSmoother() { }
85 
87 
88 
89  void StandardOrder() { reverseOrder_ = false; }
90  void ReverseOrder() { reverseOrder_ = true; }
91 
92  // TODO: GetOrder() is a better name (+ enum to define order)
93  bool GetReverseOrder() const { return reverseOrder_; }
94 
95  // TODO const ArrayRCP<const RCP<const SmootherPrototype> > & GetSmootherList() const;
97 
99 
100  void DeclareInput(Level &currentLevel) const;
101 
103 
104 
106  void Setup(Level& level);
107 
116  void Apply(MultiVector& X, const MultiVector& B, bool InitialGuessIsZero = false) const;
117 
119 
121  void SetFactory(const std::string& varName, const RCP<const FactoryBase>& factory);
122 
123  void print(Teuchos::FancyOStream& out, const VerbLevel verbLevel = Default) const;
124 
125  void CopyParameters(RCP<SmootherPrototype> src); // TODO: wrong prototype. We do not need an RCP here.
126 
128 
130  size_t getNodeSmootherComplexity() const;
131 
133 
134  private:
135  // List of smoothers. It is an ArrayRCP of RCP because:
136  // 1) I need a vector of pointers (to avoid slicing problems)
137  // 2) I can use an std::vector insead of an ArrayRCP but then the constructor will do a copy of user input
139 
140  //
142 
143  // tmp, for debug
144  bool verbose_;
145 
146  }; //class MergedSmoother
147 
148 } //namespace MueLu
149 
150 #define MUELU_MERGEDSMOOTHER_SHORT
151 #endif // MUELU_MERGEDSMOOTHER_DECL_HPP
RCP< SmootherPrototype > Copy() const
Copy method (performs a deep copy of input object)
MueLu::DefaultLocalOrdinal LocalOrdinal
ArrayRCP< RCP< SmootherPrototype > > smootherList_
size_t getNodeSmootherComplexity() const
Get a rough estimate of cost per iteration.
Base class for smoother prototypes.
void Apply(MultiVector &X, const MultiVector &B, bool InitialGuessIsZero=false) const
Apply.
MueLu::DefaultNode Node
void DeclareInput(Level &currentLevel) const
Input.
void CopyParameters(RCP< SmootherPrototype > src)
MueLu::DefaultGlobalOrdinal GlobalOrdinal
Class that holds all level-specific information.
Definition: MueLu_Level.hpp:99
void print(Teuchos::FancyOStream &out, const VerbLevel verbLevel=Default) const
ArrayRCP< RCP< SmootherPrototype > > SmootherListDeepCopy(const ArrayRCP< const RCP< SmootherPrototype > > &srcSmootherList)
const ArrayRCP< const RCP< SmootherPrototype > > GetSmootherList() const
void SetFactory(const std::string &varName, const RCP< const FactoryBase > &factory)
Custom SetFactory.
MergedSmoother(ArrayRCP< RCP< SmootherPrototype > > &smootherList, bool verbose=false)
Constructor.
virtual ~MergedSmoother()
Destructor.
void Setup(Level &level)
Set up.