EpetraExt  Development
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
EpetraExt_BTF_LinearProblem.h
Go to the documentation of this file.
1 //@HEADER
2 // ***********************************************************************
3 //
4 // EpetraExt: Epetra Extended - Linear Algebra Services Package
5 // Copyright (2011) Sandia Corporation
6 //
7 // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
8 // the U.S. Government retains certain rights in this software.
9 //
10 // Redistribution and use in source and binary forms, with or without
11 // modification, are permitted provided that the following conditions are
12 // met:
13 //
14 // 1. Redistributions of source code must retain the above copyright
15 // notice, this list of conditions and the following disclaimer.
16 //
17 // 2. Redistributions in binary form must reproduce the above copyright
18 // notice, this list of conditions and the following disclaimer in the
19 // documentation and/or other materials provided with the distribution.
20 //
21 // 3. Neither the name of the Corporation nor the names of the
22 // contributors may be used to endorse or promote products derived from
23 // this software without specific prior written permission.
24 //
25 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
26 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
29 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
30 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
31 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
32 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
33 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
34 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
35 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 //
37 // Questions? Contact Michael A. Heroux (maherou@sandia.gov)
38 //
39 // ***********************************************************************
40 //@HEADER
41 
42 #ifndef EpetraExt_LINEARPROBLEM_BTF_H
43 #define EpetraExt_LINEARPROBLEM_BTF_H
44 
45 #if defined(EpetraExt_SHOW_DEPRECATED_WARNINGS)
46 #ifdef __GNUC__
47 #warning "The EpetraExt package is deprecated"
48 #endif
49 #endif
50 
51 #include <EpetraExt_Transform.h>
52 
53 #include <vector>
54 #include <map>
55 #include <set>
56 
58 class Epetra_VbrMatrix;
59 class Epetra_MultiVector;
60 class Epetra_Vector;
61 class Epetra_CrsMatrix;
62 class Epetra_CrsGraph;
63 class Epetra_Map;
64 class Epetra_BlockMap;
66 
67 namespace EpetraExt {
68 
69 class LinearProblem_BTF : public SameTypeTransform<Epetra_LinearProblem> {
70 
71  public:
72 
74 
75  LinearProblem_BTF( double thres = 0.0,
76  int verbose = 0 )
77  : NewMap_(0),
78  NewMatrix_(0),
79  NewGraph_(0),
80  NewLHS_(0),
81  NewRHS_(0),
82  NewProblem_(0),
83  OrigGraph_(0),
84  OrigMatrix_(0),
85  OrigRHS_(0),
86  OrigLHS_(0),
87  OrigProblem_(0),
88  threshold_(thres),
89  verbose_(verbose),
90  changedLP_(false)
91  {}
92 
94 
95  bool fwd();
96  bool rvs();
97 
98  bool changedLP() { return changedLP_; }
99 
100  private:
101 
102  void deleteNewObjs_();
103 
104  Epetra_BlockMap * NewMap_;
105 
106  Epetra_LinearProblem * NewProblem_;
107 
108  Epetra_VbrMatrix * NewMatrix_;
109  Epetra_CrsGraph * NewGraph_;
110 
111  Epetra_MultiVector * NewLHS_;
112  Epetra_MultiVector * NewRHS_;
113 
114  Epetra_Map * OrigRowMap_;
115  Epetra_Map * OrigColMap_;
116  Epetra_LinearProblem * OrigProblem_;
117  Epetra_CrsGraph * OrigGraph_;
118  Epetra_CrsMatrix * OrigMatrix_;
119  Epetra_MultiVector * OrigLHS_;
120  Epetra_MultiVector * OrigRHS_;
121 
122  std::vector<int> OldGlobalElements_;
123 
124  std::vector< std::set<int> > ZeroElements_;
125 
126  std::vector< std::vector<Epetra_SerialDenseMatrix*> > Blocks_;
127  std::vector<int> BlockDim_;
128  std::vector<int> BlockCnt_;
129  std::map<int,int> BlockRowMap_;
130  std::map<int,int> SubBlockRowMap_;
131  std::map<int,int> BlockColMap_;
132  std::map<int,int> SubBlockColMap_;
133 
134  std::vector< std::vector<int> > NewBlockRows_;
135 
136  const double threshold_;
137  const int verbose_;
138 
139  bool changedLP_;
140 };
141 
142 } //namespace EpetraExt
143 
144 #endif //EpetraExt_LINEARPROBLEM_BTF_H
bool fwd()
Forward transfer of data from orig object input in the operator() method call to the new object creat...
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...
LinearProblem_BTF(double thres=0.0, int verbose=0)