Tpetra Matrix/Vector Services Version of the Day
Tpetra_SerialPlatform.hpp
00001 // @HEADER
00002 // ***********************************************************************
00003 // 
00004 //          Tpetra: Templated Linear Algebra Services Package
00005 //                 Copyright (2008) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 // 
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
00013 // License, or (at your option) any later version.
00014 //  
00015 // This library is distributed in the hope that it will be useful, but
00016 // WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //  
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 // @HEADER
00028 
00029 #ifndef TPETRA_SERIALPLATFORM_HPP
00030 #define TPETRA_SERIALPLATFORM_HPP
00031 
00032 #include <Teuchos_DefaultSerialComm.hpp>
00033 #include <Teuchos_Describable.hpp>
00034 #include <Kokkos_DefaultNode.hpp>
00035 
00036 namespace Tpetra {
00037 
00039 
00044   template <class Node>
00045   class SerialPlatform : public Teuchos::Describable {
00046   public:
00048     typedef Node NodeType;
00050 
00051 
00053     explicit SerialPlatform(const RCP<Node> &node) {
00054       node_ = node;
00055       comm_ = rcp(new Teuchos::SerialComm<int>() );
00056     }
00057 
00059     ~SerialPlatform() {}
00060 
00062 
00064 
00065 
00067     RCP< const Comm<int> > getComm() const {
00068       return comm_;
00069     }
00070 
00072     RCP<Node> getNode() const {
00073       return node_; 
00074     }
00075 
00077     private:
00078     SerialPlatform(const SerialPlatform<Node> &platform);
00079 
00080     protected: 
00082     RCP<const Teuchos::SerialComm<int> > comm_;
00084     RCP<Node> node_;
00085   };
00086 
00087 
00088   template <>
00089   class SerialPlatform<Kokkos::DefaultNode::DefaultNodeType> : public Teuchos::Describable {
00090   private:
00091     SerialPlatform(const SerialPlatform<Kokkos::DefaultNode::DefaultNodeType> &platform);
00092 
00093   protected: 
00095     RCP<const Teuchos::SerialComm<int> > comm_;
00097     RCP<Kokkos::DefaultNode::DefaultNodeType> dnode_;
00098 
00099   public:
00101     typedef Kokkos::DefaultNode::DefaultNodeType NodeType;
00103 
00104 
00106     SerialPlatform() {
00107       // will construct the node late
00108       dnode_ = null;
00109       comm_ = rcp(new Teuchos::SerialComm<int>() );
00110     }
00111 
00113     explicit SerialPlatform(const RCP<Kokkos::DefaultNode::DefaultNodeType> &node) {
00114       dnode_ = node;
00115       comm_ = rcp(new Teuchos::SerialComm<int>() );
00116     }
00117 
00119     ~SerialPlatform() {}
00120 
00122 
00124 
00125 
00127     RCP< const Teuchos::SerialComm<int> > getComm() const {
00128       return comm_;
00129     }
00130 
00132     RCP<Kokkos::DefaultNode::DefaultNodeType> getNode() const {
00133       RCP<Kokkos::DefaultNode::DefaultNodeType> def = dnode_;
00134       if (def == null) {
00135         def = Kokkos::DefaultNode::getDefaultNode(); 
00136       }
00137       return def;
00138     }
00139 
00141 
00142   };
00143 
00144 } // namespace Tpetra
00145 
00146 #endif // TPETRA_SERIALPLATFORM_HPP
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