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MueLu_MatlabSmoother_decl.hpp
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46 #ifndef MUELU_MATLABSMOOTHER_DECL_HPP
47 #define MUELU_MATLABSMOOTHER_DECL_HPP
48 
50 #include <Xpetra_Matrix_fwd.hpp>
51 #include "MueLu_ConfigDefs.hpp"
52 
53 #if defined(HAVE_MUELU_TPETRA) && defined(HAVE_MUELU_MATLAB)
54 #include <Tpetra_CrsMatrix.hpp>
55 #include "MueLu_SmootherPrototype.hpp"
58 
59 namespace MueLu {
60 
70  template <class Scalar = SmootherPrototype<>::scalar_type,
71  class LocalOrdinal = typename SmootherPrototype<Scalar>::local_ordinal_type,
72  class GlobalOrdinal = typename SmootherPrototype<Scalar, LocalOrdinal>::global_ordinal_type,
73  class Node = typename SmootherPrototype<Scalar, LocalOrdinal, GlobalOrdinal>::node_type>
74  class MatlabSmoother : public SmootherPrototype<Scalar, LocalOrdinal, GlobalOrdinal, Node>
75  {
76 #undef MUELU_MATLABSMOOTHER_SHORT
77 #include "MueLu_UseShortNames.hpp"
78 
79  public:
80 
82 
83  //TODO: update doc for Matlab.
90 #ifndef _MSC_VER
91  // Avoid error C3772: invalid friend template declaration
92  template<class Scalar2, class LocalOrdinal2, class GlobalOrdinal2, class Node2>
93  friend class MatlabSmoother;
94 #endif
95 
97 
99  virtual ~MatlabSmoother() { }
100 
102 
103  void SetParameterList(const Teuchos::ParameterList& paramList);
104 
106 
107 
108  void DeclareInput(Level &currentLevel) const;
109 
111 
113 
114 
122  void Setup(Level &currentLevel);
123 
132  void Apply(MultiVector& X, const MultiVector& B, bool InitialGuessIsZero = false) const;
133 
135 
137 
138 
140 
142 
144  template<typename Node2>
146  clone(const RCP<Node2>& node2, const Teuchos::RCP<const Xpetra::Matrix<Scalar,LocalOrdinal,GlobalOrdinal,Node2> >& A_newnode) const;
147 
149 
150 
152  std::string description() const;
153 
155  //using MueLu::Describable::describe; // overloading, not hiding
156  //void describe(Teuchos::FancyOStream &out, const VerbLevel verbLevel = Default) const
157  void print(Teuchos::FancyOStream &out, const VerbLevel verbLevel = Default) const;
158 
160 
161 
163 
164  private:
165 
167  mutable std::string needsSetup_;
168 
171 
173  std::vector<Teuchos::RCP<MuemexArg> > solveData_;
174 
176  std::string setupFunction_;
177 
179  std::string solveFunction_;
180 
182  mutable RCP<Matrix> A_;
183 
184  }; // class MatlabSmoother
185 
186  template<class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
187  template<typename Node2>
190  const ParameterList& paramList = this->GetParameterList();
191 
194 
195  cloneSmoother->needsSetup_ = needsSetup_;
196  cloneSmoother->setupFunction_ = setupFunction_;
197  cloneSmoother->solveFunction_ = solveFunction_;
198  cloneSmoother->A_ = A_;
199 
200  for(size_t i=0; i< solveData_.size(); i++)
201  cloneSmoother->solveData_->push_back(solveData_[i]);
202  cloneSmoother->SetParameterList(paramList);
203  cloneSmoother->IsSetup(this->IsSetup());
204  return cloneSmoother;
205  }
206 
207 
208 } // namespace MueLu
209 
210 #define MUELU_MATLABSMOOTHER_SHORT
211 #endif // HAVE_MUELU_TPETRA && HAVE_MUELU_MATLAB
212 #endif // MUELU_MATLABSMOOTHER_DECL_HPP
void SetParameterList(const Teuchos::ParameterList &paramList)
Set parameters from a parameter list and return with default values.
void DeclareInput(Level &currentLevel) const
Input.
void Apply(MultiVector &X, const MultiVector &B, bool InitialGuessIsZero=false) const
Apply the preconditioner.
RCP< SmootherPrototype > Copy() const
size_t solveDataSize_
Amount of solve data (besides A, LHS &amp; RHS)
std::vector< Teuchos::RCP< MuemexArg > > solveData_
List of data generated by setup which will be sent to solve after &quot;A&quot;, &quot;LHS&quot; and &quot;RHS&quot;.
void Setup(Level &currentLevel)
Set up the smoother.
RCP< Matrix > A_
Matrix, (maybe) used in apply.
virtual ~MatlabSmoother()
Destructor.
TEUCHOS_DEPRECATED RCP< T > rcp(T *p, Dealloc_T dealloc, bool owns_mem)
Class that holds all level-specific information.
Definition: MueLu_Level.hpp:99
void print(Teuchos::FancyOStream &out, const VerbLevel verbLevel=Default) const
Print the object with some verbosity level to an FancyOStream object.
std::string setupFunction_
Matlab setup function.
friend class MatlabSmoother
Constructor.
RCP< MueLu::MatlabSmoother< Scalar, LocalOrdinal, GlobalOrdinal, Node2 > > clone(const RCP< Node2 > &node2, const Teuchos::RCP< const Xpetra::Matrix< Scalar, LocalOrdinal, GlobalOrdinal, Node2 > > &A_newnode) const
Clone the smoother to a different node type.
std::string solveFunction_
Matlab solve function.
Class that encapsulates Matlab smoothers.
std::string description() const
Return a simple one-line description of this object.
size_t getNodeSmootherComplexity() const
Compute a rough estimate of the cost to apply this smoother on this MPI rank. Return Teuchos::Ordinal...
std::string needsSetup_
List of arguments to the MATLAB setup function besides &quot;A&quot;, in order.