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library
LibUtilities
Communication
CommDataType.cpp
Go to the documentation of this file.
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///////////////////////////////////////////////////////////////////////////////
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//
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// File CommDataType.cpp
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//
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// For more information, please see: http://www.nektar.info
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//
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// The MIT License
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//
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// Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
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// Department of Aeronautics, Imperial College London (UK), and Scientific
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// Computing and Imaging Institute, University of Utah (USA).
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//
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// License for the specific language governing rights and limitations under
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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// Description: Define static members for the different data types
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//
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///////////////////////////////////////////////////////////////////////////////
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#include <
LibUtilities/BasicUtils/ErrorUtil.hpp
>
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#include <
LibUtilities/Communication/CommDataType.h
>
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namespace
Nektar
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{
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namespace
LibUtilities
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{
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/**
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* @brief Return the size in bytes of a data type @p dt.
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*
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* @param dt Data type
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*
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* @return Size of @p dt in bytes.
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*/
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int
CommDataTypeGetSize
(
CommDataType
dt)
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{
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#ifdef NEKTAR_USE_MPI
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int
size;
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MPI_Type_size(dt, &size);
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return
size;
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#else
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switch
(dt)
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{
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case
MPI_INT
:
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return
sizeof
(int);
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case
MPI_UNSIGNED
:
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return
sizeof
(unsigned);
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case
MPI_LONG
:
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return
sizeof
(long);
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case
MPI_UNSIGNED_LONG
:
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return
sizeof
(
unsigned
long);
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case
MPI_LONG_LONG
:
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return
sizeof
(
long
long);
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case
MPI_UNSIGNED_LONG_LONG
:
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return
sizeof
(
unsigned
long
long);
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case
MPI_FLOAT
:
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return
sizeof
(float);
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case
MPI_DOUBLE
:
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return
sizeof
(double);
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case
MPI_LONG_DOUBLE
:
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return
sizeof
(
long
double);
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default
:
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ASSERTL0
(
false
,
"Unrecognised datatype!"
);
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}
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return
sizeof
(int);
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#endif
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}
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template
<>
CommDataType
&
CommDataTypeTraits<int>::GetDataType
()
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{
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static
CommDataType
type =
MPI_INT
;
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return
type;
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}
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template
<>
CommDataType
&
CommDataTypeTraits<unsigned>::GetDataType
()
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{
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static
CommDataType
type =
MPI_UNSIGNED
;
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return
type;
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}
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template
<>
CommDataType
&
CommDataTypeTraits<long>::GetDataType
()
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{
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static
CommDataType
type =
MPI_LONG
;
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return
type;
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}
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template
<>
CommDataType
&
CommDataTypeTraits<unsigned long>::GetDataType
()
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{
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static
CommDataType
type =
MPI_UNSIGNED_LONG
;
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return
type;
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}
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template
<>
CommDataType
&
CommDataTypeTraits<long long>::GetDataType
()
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{
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static
CommDataType
type =
MPI_LONG_LONG
;
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return
type;
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}
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template
<>
CommDataType
&
CommDataTypeTraits<unsigned long long>::GetDataType
()
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{
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static
CommDataType
type =
MPI_UNSIGNED_LONG_LONG
;
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return
type;
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}
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template
<>
CommDataType
&
CommDataTypeTraits<float>::GetDataType
()
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{
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static
CommDataType
type =
MPI_FLOAT
;
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return
type;
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}
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template
<>
CommDataType
&
CommDataTypeTraits<double>::GetDataType
()
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{
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static
CommDataType
type =
MPI_DOUBLE
;
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return
type;
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}
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template
<>
CommDataType
&
CommDataTypeTraits<long double>::GetDataType
()
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{
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static
CommDataType
type =
MPI_LONG_DOUBLE
;
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return
type;
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}
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}
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}
ASSERTL0
#define ASSERTL0(condition, msg)
Definition:
ErrorUtil.hpp:198
ErrorUtil.hpp
Nektar::LibUtilities::MPI_UNSIGNED
Definition:
CommDataType.h:62
Nektar
<
Definition:
CoupledSolver.h:1
Nektar::LibUtilities::CommDataTypeGetSize
int CommDataTypeGetSize(CommDataType dt)
Return the size in bytes of a data type dt.
Definition:
CommDataType.cpp:51
Nektar::LibUtilities::MPI_DOUBLE
Definition:
CommDataType.h:68
Nektar::LibUtilities::MPI_INT
Definition:
CommDataType.h:61
CommDataType.h
Nektar::LibUtilities::MPI_LONG
Definition:
CommDataType.h:63
Nektar::LibUtilities::MPI_FLOAT
Definition:
CommDataType.h:67
Nektar::LibUtilities::CommDataTypeTraits::GetDataType
static CommDataType & GetDataType()
Nektar::LibUtilities::MPI_UNSIGNED_LONG_LONG
Definition:
CommDataType.h:66
Nektar::LibUtilities::MPI_LONG_DOUBLE
Definition:
CommDataType.h:69
Nektar::LibUtilities::MPI_UNSIGNED_LONG
Definition:
CommDataType.h:64
Nektar::LibUtilities::CommDataType
CommDataType
Definition:
CommDataType.h:59
Nektar::LibUtilities::MPI_LONG_LONG
Definition:
CommDataType.h:65
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