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ThyraTsqrAdaptorTester.cpp
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41 
42 //
43 // This test exercises Thyra's TSQR adapter.
44 //
45 
46 #include "Epetra_Map.h"
47 #include "Epetra_MultiVector.h"
48 
49 #include "Epetra_Comm.h"
50 #include "Epetra_SerialComm.h"
51 #ifdef HAVE_MPI
52 # include "mpi.h"
53 # include "Epetra_MpiComm.h"
54 #endif
55 
56 #include "BelosConfigDefs.hpp"
57 #include "BelosMVOPTester.hpp"
58 #include "BelosEpetraAdapter.hpp"
59 
60 #ifdef HAVE_EPETRA_THYRA
61 # include "Thyra_TsqrAdaptor.hpp"
62 # include "Thyra_EpetraThyraWrappers.hpp"
63 # include "Thyra_EpetraLinearOp.hpp"
64 #endif // HAVE_EPETRA_THYRA
65 
66 int
67 main (int argc, char *argv[])
68 {
69  using Teuchos::RCP;
70  using Teuchos::rcp;
71  using Teuchos::rcp_implicit_cast;
72  bool success = true;
73 
74 #ifdef HAVE_MPI
75  // Initialize MPI and setup an Epetra communicator
76  MPI_Init (&argc, &argv);
77  Epetra_MpiComm comm (MPI_COMM_WORLD);
78 #else // NOT HAVE_MPI
79  // If we aren't using MPI, then setup a serial communicator.
80  Epetra_SerialComm comm;
81 #endif // HAVE_MPI
82  const int myRank = comm.MyPID ();
83 
84  // Number of global elements
85  const int globalNumRows = 100;
86  const int blockSize = 3;
87  const int indexBase = 0;
88 
89  RCP<const Epetra_Map> range_epetra (new Epetra_Map (globalNumRows, indexBase, comm));
90  RCP<Epetra_MultiVector> X_epetra (new Epetra_MultiVector (*range_epetra, blockSize));
91 
92  // // Get update list and number of local equations from newly created Map.
93  // int NumMyElements = Map.NumMyElements();
94  // std::vector<int> MyGlobalElements(NumMyElements);
95  // Map->MyGlobalElements(&MyGlobalElements[0]);
96 
97 #ifdef HAVE_EPETRA_THYRA
98  // Create a Thyra vector space.
99  RCP<const Thyra::VectorSpaceBase<double> > range_thyra =
100  Thyra::create_VectorSpace (range_epetra);
101  // Create a multivector from the Epetra_MultiVector.
102  RCP<Thyra::MultiVectorBase<double> > X_thyra =
103  Thyra::create_MultiVector (rcp_implicit_cast<Epetra_MultiVector> (X_epetra), range_thyra);
104 
105  (void) range_thyra;
106  (void) X_thyra;
107 
108  typedef Thyra::TsqrAdaptor<double> tsqr_adapter_type;
109 
110 #endif // HAVE_EPETRA_THYRA
111 
112 #ifdef HAVE_MPI
113  MPI_Finalize();
114 #endif
115 
116  if (success) {
117  if (myRank == 0) {
118  std::cout << "End Result: TEST PASSED" << std::endl;
119  }
120  return EXIT_SUCCESS;
121  }
122  else {
123  if (myRank == 0) {
124  std::cout << "End Result: TEST FAILED" << std::endl;
125  }
126  return EXIT_FAILURE;
127  }
128 }
Stub adaptor from Thyra::MultiVectorBase to TSQR.
int main(int argc, char *argv[])