170 lines
3.9 KiB
C++
170 lines
3.9 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | www.openfoam.com
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2011-2016 OpenFOAM Foundation
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Copyright (C) 2019 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#ifndef FieldReuseFunctions_H
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#define FieldReuseFunctions_H
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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template<class TypeR, class Type1>
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struct reuseTmp
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{
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static tmp<Field<TypeR>> New(const tmp<Field<Type1>>& tf1)
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{
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return tmp<Field<TypeR>>::New(tf1().size());
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}
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};
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template<class TypeR>
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struct reuseTmp<TypeR, TypeR>
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{
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static tmp<Field<TypeR>> New
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(
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const tmp<Field<TypeR>>& tf1,
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const bool initCopy = false
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)
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{
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if (tf1.isTmp())
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{
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return tf1;
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}
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auto rtf = tmp<Field<TypeR>>::New(tf1().size());
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if (initCopy)
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{
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rtf.ref() = tf1();
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}
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return rtf;
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}
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};
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//- This global function forwards to reuseTmp::New
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template<class TypeR> tmp<Field<TypeR>> New
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(
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const tmp<Field<TypeR>>& tf1,
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const bool initCopy = false
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)
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{
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return reuseTmp<TypeR, TypeR>::New(tf1, initCopy);
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}
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template<class TypeR, class Type1, class Type12, class Type2>
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struct reuseTmpTmp
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{
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static tmp<Field<TypeR>> New
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(
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const tmp<Field<Type1>>& tf1,
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const tmp<Field<Type2>>& tf2
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)
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{
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return tmp<Field<TypeR>>::New(tf1().size());
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}
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};
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template<class TypeR, class Type1, class Type12>
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struct reuseTmpTmp<TypeR, Type1, Type12, TypeR>
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{
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static tmp<Field<TypeR>> New
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(
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const tmp<Field<Type1>>& tf1,
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const tmp<Field<TypeR>>& tf2
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)
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{
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if (tf2.isTmp())
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{
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return tf2;
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}
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return tmp<Field<TypeR>>::New(tf1().size());
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}
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};
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template<class TypeR, class Type2>
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struct reuseTmpTmp<TypeR, TypeR, TypeR, Type2>
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{
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static tmp<Field<TypeR>> New
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(
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const tmp<Field<TypeR>>& tf1,
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const tmp<Field<Type2>>& tf2
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)
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{
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if (tf1.isTmp())
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{
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return tf1;
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}
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return tmp<Field<TypeR>>::New(tf1().size());
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}
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};
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template<class TypeR>
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struct reuseTmpTmp<TypeR, TypeR, TypeR, TypeR>
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{
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static tmp<Field<TypeR>> New
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(
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const tmp<Field<TypeR>>& tf1,
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const tmp<Field<TypeR>>& tf2
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)
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{
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if (tf1.isTmp())
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{
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return tf1;
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}
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else if (tf2.isTmp())
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{
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return tf2;
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}
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return tmp<Field<TypeR>>::New(tf1().size());
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}
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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