Belos Package Browser (Single Doxygen Collection)  Development
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
Belos_Details_registerLinearSolverFactory.cpp
Go to the documentation of this file.
1 //@HEADER
2 // ************************************************************************
3 //
4 // Belos: Block Linear Solvers Package
5 // Copyright 2004 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 
44 #include "Teuchos_ConfigDefs.hpp" // for __attribute__((weak)) check
45 
46 // FIXME (mfh 23 Aug 2015) Belos' main library is upstream from
47 // libraries where Belos' Epetra and Tpetra specializations live.
48 // That's why we need to use weak symbols here. Otherwise, link
49 // errors result. Fixing this requires the same run-time registration
50 // solution that Bug 6392 is all about.
51 
52 #if defined(HAVE_BELOS_EPETRA) && defined(HAVE_TEUCHOS_CXX_ATTRIBUTE_WEAK)
53 namespace Belos {
54 namespace Details {
55 namespace Epetra {
56  extern void __attribute__((weak)) registerLinearSolverFactory ();
57 } // namespace Epetra
58 } // namespace Details
59 } // namespace Belos
60 #endif // defined(HAVE_BELOS_EPETRA) && defined(HAVE_TEUCHOS_CXX_ATTRIBUTE_WEAK)
61 
62 #if defined(HAVE_BELOS_TPETRA) && defined(HAVE_TEUCHOS_CXX_ATTRIBUTE_WEAK)
63 namespace Belos {
64 namespace Details {
65 namespace Tpetra {
66  extern void __attribute__((weak)) registerLinearSolverFactory ();
67 } // namespace Tpetra
68 } // namespace Details
69 } // namespace Belos
70 #endif // defined(HAVE_BELOS_TPETRA) && defined(HAVE_TEUCHOS_CXX_ATTRIBUTE_WEAK)
71 
72 //
73 // FIXME (mfh 23 Aug 2015) We should add Thyra as well.
74 //
75 
76 namespace Belos {
77 namespace Details {
78 
79 void
81 {
82 #if defined(HAVE_BELOS_TPETRA) && defined(HAVE_TEUCHOS_CXX_ATTRIBUTE_WEAK)
83  // It's a weak symbol, so it might be NULL.
84  if (::Belos::Details::Tpetra::registerLinearSolverFactory != NULL) {
85  ::Belos::Details::Tpetra::registerLinearSolverFactory ();
86  }
87 #endif // defined(HAVE_BELOS_TPETRA) && defined(HAVE_TEUCHOS_CXX_ATTRIBUTE_WEAK)
88 
89 #if defined(HAVE_BELOS_EPETRA) && defined(HAVE_TEUCHOS_CXX_ATTRIBUTE_WEAK)
90  // It's a weak symbol, so it might be NULL.
91  if (::Belos::Details::Epetra::registerLinearSolverFactory != NULL) {
92  ::Belos::Details::Epetra::registerLinearSolverFactory ();
93  }
94 #endif // defined(HAVE_BELOS_EPETRA) && defined(HAVE_TEUCHOS_CXX_ATTRIBUTE_WEAK)
95 }
96 
97 } // namespace Details
98 } // namespace Belos
99 
100 
Implementation of Trilinos::Details::LinearSolverFactory.
void registerLinearSolverFactory()
Register Belos' LinearSolverFactory with the central repository, for all enabled combinations of temp...
Declaration of Belos::Details::registerLinearSolverFactory.