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137 lines
3.3 KiB
C++
137 lines
3.3 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) 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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InNamespace
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Foam::expressions
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Description
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Operations involving expressions.
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SourceFiles
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exprOps.H
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\*---------------------------------------------------------------------------*/
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#ifndef exprOps_H
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#define exprOps_H
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#include "scalar.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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/*---------------------------------------------------------------------------*\
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Namespace expressions Declarations
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\*---------------------------------------------------------------------------*/
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namespace expressions
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{
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//- Convert [0-1] values (usually scalars) as false/true
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template<class T>
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struct boolOp
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{
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bool operator()(const T& val) const
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{
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return (0.5 < Foam::mag(val));
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}
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};
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//- Inverse of boolOp()
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template<class T>
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struct boolNotOp
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{
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bool operator()(const T& val) const
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{
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return (Foam::mag(val) < 0.5);
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}
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};
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//- Convert to bool, pass-through for bool
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template<>
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struct boolOp<bool>
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{
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bool operator()(bool val) const
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{
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return val;
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}
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};
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//- Inverse of boolOp, no conversion required for bool
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template<>
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struct boolNotOp<bool>
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{
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bool operator()(bool val) const
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{
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return !val;
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}
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};
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//- Logical 'and', possibly with scalars as (false, true) values
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template<class T>
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struct boolAndOp
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{
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bool operator()(const T& a, const T& b) const
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{
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return (boolOp<T>()(a) && boolOp<T>()(b));
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}
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};
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//- Logical 'or', possibly with scalars as (false, true) values
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template<class T>
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struct boolOrOp
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{
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bool operator()(const T& a, const T& b) const
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{
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return (boolOp<T>()(a) || boolOp<T>()(b));
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}
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};
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//- Logical 'xor', possibly with scalars as (false, true) values
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template<class T>
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struct boolXorOp
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{
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bool operator()(const T& a, const T& b) const
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{
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return (boolOp<T>()(a) != boolOp<T>()(b));
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}
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};
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} // End namespace expressions
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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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