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ThyraTsqrAdaptorTester.cpp
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2// ***********************************************************************
3//
4// Stratimikos: Thyra-based strategies for linear solvers
5// Copyright (2006) Sandia Corporation
6//
7// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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40// @HEADER
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
66int
67main (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}
int main(int argc, char *argv[])