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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2018-2025 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
Class
Foam::functionEntries::negEntry
Description
Negate a variable by prefixing with \c #neg
E.g.
\verbatim
Umean 5.75;
.
.
.
inlet
{
type uniformFixedValue;
uniformValue (#neg $Umean 0 0);
}
\endverbatim
Note the space required between the \c #neg and the '$'
SourceFiles
negEntry.C
\*---------------------------------------------------------------------------*/
#ifndef negEntry_H
#define negEntry_H
#include "functionEntry.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace functionEntries
{
/*---------------------------------------------------------------------------*\
Class negEntry Declaration
\*---------------------------------------------------------------------------*/
class negEntry
:
public functionEntry
{
// Private Member Functions
//- Lookup variable, negate and return as a string
static string negateVariable
(
const dictionary& parentDict,
Istream& is
);
public:
//- Runtime type information
FunctionTypeName("#neg");
// Constructors
//- Disallow default bitwise copy construction
negEntry(const negEntry&) = delete;
// Member Functions
//- Expand the functionEntry into the contextDict
virtual bool execute(dictionary& contextDict, Istream& is)
{
NotImplemented;
return false;
}
//- Expand the functionEntry into the contextEntry
static bool execute
(
const dictionary& contextDict,
primitiveEntry& contextEntry,
Istream&
);
// Member Operators
//- Disallow default bitwise assignment
void operator=(const negEntry&) = delete;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace functionEntries
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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