Tpetra parallel linear algebra Version of the Day
Loading...
Searching...
No Matches
Tpetra_Details_MpiTypeTraits.hpp
Go to the documentation of this file.
1/*
2// @HEADER
3// ***********************************************************************
4//
5// Tpetra: Templated Linear Algebra Services Package
6// Copyright (2008) Sandia Corporation
7//
8// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
9// the U.S. Government retains certain rights in this software.
10//
11// Redistribution and use in source and binary forms, with or without
12// modification, are permitted provided that the following conditions are
13// met:
14//
15// 1. Redistributions of source code must retain the above copyright
16// notice, this list of conditions and the following disclaimer.
17//
18// 2. Redistributions in binary form must reproduce the above copyright
19// notice, this list of conditions and the following disclaimer in the
20// documentation and/or other materials provided with the distribution.
21//
22// 3. Neither the name of the Corporation nor the names of the
23// contributors may be used to endorse or promote products derived from
24// this software without specific prior written permission.
25//
26// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
27// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
30// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
31// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
32// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
33// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
34// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
35// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37//
38// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
39//
40// ************************************************************************
41// @HEADER
42*/
43
44#ifndef TPETRA_DETAILS_MPITYPETRAITS_HPP
45#define TPETRA_DETAILS_MPITYPETRAITS_HPP
46
70
71#include "TpetraCore_config.h"
72#ifdef HAVE_TPETRACORE_MPI
73
74#include "Kokkos_Complex.hpp"
75#include "Teuchos_Details_MpiTypeTraits.hpp"
76// Include this file for uintptr_t.
77// Windows (Visual Studio 2015) claims to have that type too:
78//
79// https://msdn.microsoft.com/en-us/library/323b6b3k.aspx
80#include <cstdint>
81
82namespace Teuchos {
83namespace Details {
84
86template<>
87class MpiTypeTraits< ::Kokkos::complex<double> > {
88private:
89#if MPI_VERSION >= 3
90 static const bool hasMpi3 = true;
91#else
92 static const bool hasMpi3 = false;
93#endif // MPI_VERSION >= 3
94
95public:
97 static const bool isSpecialized = true;
98
101 static const bool needsFree = ! hasMpi3;
102
104 static MPI_Datatype getType (const ::Kokkos::complex<double>& z);
105
107 static MPI_Datatype getType ();
108};
109
110template<>
111class MpiTypeTraits< ::Kokkos::complex<float> > {
112private:
113#if MPI_VERSION >= 3
114 static const bool hasMpi3 = true;
115#else
116 static const bool hasMpi3 = false;
117#endif // MPI_VERSION >= 3
118
119public:
121 static const bool isSpecialized = true;
122
125 static const bool needsFree = ! hasMpi3;
126
128 static MPI_Datatype getType (const ::Kokkos::complex<float>& z);
129
131 static MPI_Datatype getType ();
132};
133
134} // namespace Details
135} // namespace Teuchos
136
137namespace Tpetra {
138namespace Details {
139
140// Import MpiTypeTraits into the Tpetra::Details namespace.
141using ::Teuchos::Details::MpiTypeTraits;
142
143} // namespace Details
144} // namespace Tpetra
145
146#endif // HAVE_TPETRACORE_MPI
147#endif // TPETRA_DETAILS_MPITYPETRAITS_HPP
Implementation details of Tpetra.
Namespace Tpetra contains the class and methods constituting the Tpetra library.