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EpetraExt_BlockJacobi_LinearProblem.h
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4// EpetraExt: Epetra Extended - Linear Algebra Services Package
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41
42#ifndef EPETRAEXT_BLOCKJACOBI_LINEARPROBLEM_H
43#define EPETRAEXT_BLOCKJACOBI_LINEARPROBLEM_H
44
45#include <EpetraExt_Transform.h>
46
47#include <vector>
48
53
54namespace EpetraExt {
55
56class LinearProblem_BlockJacobi : public SameTypeTransform<Epetra_LinearProblem> {
57
58 public:
59
61
62 LinearProblem_BlockJacobi( int verbose = 0,
63 int thresholding = 0,
64 double rthresh = 0.0,
65 double athresh = 0.0,
66 bool removeDiag = false )
67 : NumBlocks_(0),
68 NewProblem_(0),
69 NewMatrix_(0),
70 thresholding_(thresholding),
71 rthresh_(rthresh),
72 athresh_(athresh),
73 removeDiag_(removeDiag),
74 verbose_(verbose)
75 {}
76
78
79 bool fwd();
80 bool rvs();
81
82 void RThresh( double val ) { rthresh_ = val; }
83
84 private:
85
87
88 double rthresh_;
89 double athresh_;
90 const int thresholding_;
91
92 const bool removeDiag_;
93
96
97 std::vector<Epetra_SerialDenseMatrix**> VbrBlocks_;
98 std::vector<int> VbrBlockCnt_;
99 std::vector<int> VbrBlockDim_;
100 std::vector<int*> VbrBlockIndices_;
101
102 std::vector<Epetra_SerialDenseSVD*> SVDs_;
103 std::vector<Epetra_SerialDenseMatrix*> Inverses_;
104 std::vector<Epetra_SerialDenseMatrix*> RHSBlocks_;
105
106 const int verbose_;
107};
108
109} //namespace EpetraExt
110
111#endif //EPETRAEXT_BLOCKJACOBI_LINEARPROBLEM_H
std::vector< Epetra_SerialDenseMatrix * > Inverses_
NewTypeRef operator()(OriginalTypeRef orig)
Analysis of transform operation on original object and construction of new object.
bool rvs()
Reverse transfer of data from new object created in the operator() method call to the orig object inp...
bool fwd()
Forward transfer of data from orig object input in the operator() method call to the new object creat...
std::vector< Epetra_SerialDenseSVD * > SVDs_
std::vector< Epetra_SerialDenseMatrix * > RHSBlocks_
std::vector< Epetra_SerialDenseMatrix ** > VbrBlocks_
LinearProblem_BlockJacobi(int verbose=0, int thresholding=0, double rthresh=0.0, double athresh=0.0, bool removeDiag=false)
EpetraExt::BlockCrsMatrix: A class for constructing a distributed block matrix.