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Ifpack_Graph_Epetra_RowMatrix.cpp
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42 
43 #include "Ifpack_ConfigDefs.h"
44 #include "Ifpack_Graph.h"
45 #include "Ifpack_Graph_Epetra_RowMatrix.h"
46 #include "Epetra_Comm.h"
47 #include "Epetra_Map.h"
48 #include "Epetra_RowMatrix.h"
49 
50 //==============================================================================
51 Ifpack_Graph_Epetra_RowMatrix::Ifpack_Graph_Epetra_RowMatrix(const Teuchos::RefCountPtr<const Epetra_RowMatrix>& RowMatrix) :
52 RowMatrix_(RowMatrix)
53 {
54  NumMyRows_ = RowMatrix_->NumMyRows();
55  NumMyCols_ = RowMatrix_->NumMyCols();
56  NumGlobalRows_ = RowMatrix_->NumGlobalRows64();
57  NumGlobalCols_ = RowMatrix_->NumGlobalCols64();
58  MaxNumIndices_ = RowMatrix_->MaxNumEntries();
59 
60  Values_.resize(MaxNumIndices_);
61 }
62 
63 //==============================================================================
65 {
66  return(RowMatrix_->Comm());
67 }
68 
69 //==============================================================================
71 {
72  return(RowMatrix_->Filled());
73 }
74 
75 //==============================================================================
76 #ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
78 {
79  return(RowMatrix_->RowMatrixRowMap().GID(LRID_in));
80 }
81 
82 //==============================================================================
84 {
85  return(RowMatrix_->RowMatrixColMap().GID(LCID_in));
86 }
87 #endif
88 
89 long long Ifpack_Graph_Epetra_RowMatrix::GRID64(int LRID_in) const
90 {
91  return(RowMatrix_->RowMatrixRowMap().GID64(LRID_in));
92 }
93 
94 //==============================================================================
95 long long Ifpack_Graph_Epetra_RowMatrix::GCID64(int LCID_in) const
96 {
97  return(RowMatrix_->RowMatrixColMap().GID64(LCID_in));
98 }
99 
100 //==============================================================================
101 #ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
103 {
104  return(RowMatrix_->RowMatrixRowMap().LID(GRID_in));
105 }
106 
107 //==============================================================================
109 {
110  return(RowMatrix_->RowMatrixColMap().LID(GCID_in));
111 }
112 #endif
113 //==============================================================================
114 #ifndef EPETRA_NO_64BIT_GLOBAL_INDICES
115 int Ifpack_Graph_Epetra_RowMatrix::LRID(long long GRID_in) const
116 {
117  return(RowMatrix_->RowMatrixRowMap().LID(GRID_in));
118 }
119 
120 //==============================================================================
121 int Ifpack_Graph_Epetra_RowMatrix::LCID(long long GCID_in) const
122 {
123  return(RowMatrix_->RowMatrixColMap().LID(GCID_in));
124 }
125 #endif
126 //==============================================================================
128 ExtractMyRowCopy(int MyRow, int LenOfIndices,
129  int &NumIndices, int *Indices) const
130 {
131  return(RowMatrix_->ExtractMyRowCopy(MyRow, LenOfIndices,
132  NumIndices, &Values_[0],
133  Indices));
134 }
135 
136 //==============================================================================
138 {
139  return(RowMatrix_->NumMyNonzeros());
140 }
141 
142 // ======================================================================
143 std::ostream& Ifpack_Graph_Epetra_RowMatrix::Print(std::ostream& os) const
144 {
145  using std::endl;
146 
147  if (Comm().MyPID())
148  return(os);
149 
150  os << "================================================================================" << endl;
151  os << "Ifpack_Graph_Epetra_RowMatrix" << endl;
152  os << "Number of local rows = " << NumMyRows_ << endl;
153  os << "Number of global rows = " << NumGlobalRows_ << endl;
154  os << "================================================================================" << endl;
155 
156  return(os);
157 
158 }
159 
int ExtractMyRowCopy(int GlobalRow, int LenOfIndices, int &NumIndices, int *Indices) const
Extracts a copy of input local row.
int NumMyNonzeros() const
Returns the number of local nonzero entries.
int GRID(int) const
Returns the global row ID of input local row.
long long GCID64(int) const
Returns the global column ID of input local column.
const Epetra_Comm & Comm() const
Returns the communicator object of the graph.
std::ostream & Print(std::ostream &os) const
Prints basic information abobut the graph object.
int GCID(int) const
Returns the global column ID of input local column.
bool Filled() const
Returns true is graph is filled.
int LCID(int) const
Returns the local column ID of input global column.
int LRID(int) const
Returns the local row ID of input global row.
Ifpack_Graph_Epetra_RowMatrix(const Teuchos::RefCountPtr< const Epetra_RowMatrix > &RowMatrix)
Constructor.