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Tsqr_MpiCommFactory.hpp
1// @HEADER
2// ***********************************************************************
3//
4// Anasazi: Block Eigensolvers Package
5// Copyright 2004 Sandia Corporation
6//
7// Under terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
8// the U.S. Government retains certain rights in this software.
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11// modification, are permitted provided that the following conditions are
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14// 1. Redistributions of source code must retain the above copyright
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16//
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23// this software without specific prior written permission.
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40// @HEADER
41#ifndef __TSQR_MpiCommFactory_hpp
42#define __TSQR_MpiCommFactory_hpp
43
44#include <mpi.h>
45#include <Tsqr_Config.hpp>
46#include <Tsqr_MpiMessenger.hpp>
47#include <Teuchos_RCP.hpp>
48
51
52namespace TSQR {
53 namespace MPI {
54
55 namespace details {
56
57 template< class Scalar >
58 Teuchos::RCP< MessengerBase< Scalar > >
59 makeMpiComm (MPI_Comm comm)
60 {
61 return Teuchos::rcp_implicit_cast< MessengerBase< Scalar > >(new MpiMessenger< Scalar > (comm));
62 }
63 } // namespace details
64
65#ifdef HAVE_MPI_COMM_NETWORK
68 template< class Scalar >
69 Teuchos::RCP< MessengerBase< Scalar > >
70 makeMpiCommNetwork ()
71 {
72 makeMpiComm (MPI_COMM_NETWORK);
73 }
74#endif // HAVE_MPI_COMM_NETWORK
75
76#ifdef HAVE_MPI_COMM_NODE
79 template< class Scalar >
80 Teuchos::RCP< MessengerBase< Scalar > >
81 makeMpiCommNode ()
82 {
83 makeMpiComm (MPI_COMM_NODE);
84 }
85#endif // HAVE_MPI_COMM_NODE
86
91 template< class Scalar >
92 Teuchos::RCP< MessengerBase< Scalar > >
93 makeMpiCommWorld ()
94 {
95 makeMpiComm (MPI_COMM_WORLD);
96 }
97
98 } // namespace MPI
99} // namespace TSQR
100
101#endif // __TSQR_MpiCommFactory_hpp
102