preconditioner.C
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1 // The libMesh Finite Element Library.
2 // Copyright (C) 2002-2014 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
3 
4 // This library is free software; you can redistribute it and/or
5 // modify it under the terms of the GNU Lesser General Public
6 // License as published by the Free Software Foundation; either
7 // version 2.1 of the License, or (at your option) any later version.
8 
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 // Lesser General Public License for more details.
13 
14 // You should have received a copy of the GNU Lesser General Public
15 // License along with this library; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 
18 
19 
20 // C++ includes
21 
22 // Local Includes
23 #include "libmesh/auto_ptr.h"
24 #include "libmesh/preconditioner.h"
28 
29 
30 
31 namespace libMesh
32 {
33 
34 //------------------------------------------------------------------
35 // Preconditioner members
36 template <typename T>
37 Preconditioner<T> *
39  const SolverPackage solver_package)
40 {
41  // Build the appropriate solver
42  switch (solver_package)
43  {
44 
45 /*
46 #ifdef LIBMESH_HAVE_LASPACK
47  case LASPACK_SOLVERS:
48  {
49  AutoPtr<Preconditioner<T> > ap(new LaspackPreconditioner<T>(comm));
50  return ap;
51  }
52 #endif
53 */
54 
55 #ifdef LIBMESH_HAVE_PETSC
56  case PETSC_SOLVERS:
57  {
58  return new PetscPreconditioner<T>(comm);
59  }
60 #endif
61 
62 #ifdef LIBMESH_HAVE_TRILINOS
63  case TRILINOS_SOLVERS:
64  return new TrilinosPreconditioner<T>(comm);
65 #endif
66 
67 #ifdef LIBMESH_HAVE_EIGEN
68  case EIGEN_SOLVERS:
69  return new EigenPreconditioner<T>(comm);
70 #endif
71 
72  default:
73  libMesh::err << "ERROR: Unrecognized solver package: "
74  << solver_package
75  << std::endl;
76  libmesh_error();
77  }
78 
79  return NULL;
80 }
81 
82 
83 
84 //------------------------------------------------------------------
85 // Explicit instantiations
86 template class Preconditioner<Number>;
87 
88 } // namespace libMesh

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Last modified: February 07 2014 16:57:06 UTC

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