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Xpetra_ImportFactory.hpp
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46 #ifndef XPETRA_IMPORTFACTORY_HPP
47 #define XPETRA_IMPORTFACTORY_HPP
48 
49 #include "Xpetra_ConfigDefs.hpp"
50 
51 #include "Xpetra_Import.hpp"
52 
53 #ifdef HAVE_XPETRA_TPETRA
54 #include "Xpetra_TpetraImport.hpp"
55 #endif
56 #ifdef HAVE_XPETRA_EPETRA
57 #include "Xpetra_EpetraImport.hpp"
58 #endif
59 
60 #include "Xpetra_Exceptions.hpp"
61 
62 namespace Xpetra {
63 
64  template <class LocalOrdinal/* = Import<>::local_ordinal_type*/,
65  class GlobalOrdinal/* = typename Import<LocalOrdinal>::global_ordinal_type*/,
66  class Node = typename Import<LocalOrdinal, GlobalOrdinal>::node_type>
67  class ImportFactory {
68  private:
71 
72  public:
73 
76  XPETRA_MONITOR("ImportFactory::Build");
77 
78  TEUCHOS_TEST_FOR_EXCEPTION(source->lib() != target->lib(), Xpetra::Exceptions::RuntimeError, "");
79 
80 #ifdef HAVE_XPETRA_TPETRA
81  if (source->lib() == UseTpetra)
82  return rcp( new TpetraImport<LocalOrdinal, GlobalOrdinal, Node>(source, target));
83 #endif
84 
85  XPETRA_FACTORY_ERROR_IF_EPETRA(source->lib());
87  }
88 
89  };
90 
91 // we need the Epetra specialization only if Epetra is enabled
92 #if (defined(HAVE_XPETRA_EPETRA) && !defined(XPETRA_EPETRA_NO_32BIT_GLOBAL_INDICES))
93 
94  // Specialization on LO=GO=int with serial node.
95  // Used for Epetra and Tpetra
96  // For any other node definition the general default implementation is used which allows Tpetra only
97  template <>
98  class ImportFactory<int, int, EpetraNode> {
99  typedef int LocalOrdinal;
100  typedef int GlobalOrdinal;
101  typedef EpetraNode Node;
102 
103  private:
106 
107  public:
108 
110  XPETRA_MONITOR("ImportFactory::Build");
111  TEUCHOS_TEST_FOR_EXCEPTION(source->lib() != target->lib(), Xpetra::Exceptions::RuntimeError, "");
112 
113 #ifdef HAVE_XPETRA_TPETRA
114  if (source->lib() == UseTpetra)
115  return rcp( new TpetraImport<LocalOrdinal, GlobalOrdinal, Node>(source, target));
116 #endif
117 
118  if (source->lib() == UseEpetra)
119  return rcp( new EpetraImportT<int,Node>(source, target));
120 
122  }
123 
124  };
125 #endif
126 
127 // we need the Epetra specialization only if Epetra is enabled
128 #if (defined(HAVE_XPETRA_EPETRA) && !defined(XPETRA_EPETRA_NO_64BIT_GLOBAL_INDICES))
129  template <>
130  class ImportFactory<int, long long, EpetraNode> {
131 
132  typedef int LocalOrdinal;
133  typedef long long GlobalOrdinal;
134  typedef EpetraNode Node;
135 
136  private:
139 
140  public:
141 
143  XPETRA_MONITOR("ImportFactory::Build");
144  TEUCHOS_TEST_FOR_EXCEPTION(source->lib() != target->lib(), Xpetra::Exceptions::RuntimeError, "");
145 
146 #ifdef HAVE_XPETRA_TPETRA
147  if (source->lib() == UseTpetra)
148  return rcp( new TpetraImport<LocalOrdinal, GlobalOrdinal, Node>(source, target));
149 #endif
150 
151  if (source->lib() == UseEpetra)
152  return rcp( new EpetraImportT<long long,Node>(source, target));
153 
155  }
156 
157  };
158 #endif
159 }
160 
161 #define XPETRA_IMPORTFACTORY_SHORT
162 #endif
static RCP< Import< LocalOrdinal, GlobalOrdinal, Node > > Build(const RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > &source, const RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > &target)
Constructor specifying the number of non-zeros for all rows.
static RCP< Import< LocalOrdinal, GlobalOrdinal, Node > > Build(const RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > &source, const RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > &target)
#define TEUCHOS_TEST_FOR_EXCEPTION(throw_exception_test, Exception, msg)
Exception throws to report errors in the internal logical of the program.
#define XPETRA_FACTORY_ERROR_IF_EPETRA(lib)
TEUCHOS_DEPRECATED RCP< T > rcp(T *p, Dealloc_T dealloc, bool owns_mem)
#define XPETRA_FACTORY_END
ImportFactory()
Private constructor. This is a static class.
ImportFactory()
Private constructor. This is a static class.
static RCP< Import< LocalOrdinal, GlobalOrdinal, Node > > Build(const RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > &source, const RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > &target)
#define XPETRA_MONITOR(funcName)
ImportFactory()
Private constructor. This is a static class.