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131 lines
3.3 KiB
C++
131 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 | Copyright (C) 2004-2011 OpenCFD Ltd.
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\\/ M anipulation |
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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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Class
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Foam::Constant
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Description
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Templated basic entry that holds a constant value.
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Usage - for entry \<entryName\> having the value <value>:
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@verbatim
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<entryName> constant <value>
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@endverbatim
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SourceFiles
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Constant.C
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\*---------------------------------------------------------------------------*/
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#ifndef Constant_H
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#define Constant_H
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#include "DataEntry.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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template<class Type>
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class Constant;
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template<class Type>
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Ostream& operator<<(Ostream&, const Constant<Type>&);
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/*---------------------------------------------------------------------------*\
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Class Constant Declaration
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\*---------------------------------------------------------------------------*/
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template<class Type>
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class Constant
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:
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public DataEntry<Type>
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{
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// Private data
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//- Constant value
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Type value_;
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// Private Member Functions
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//- Disallow default bitwise assignment
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void operator=(const Constant<Type>&);
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public:
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// Runtime type information
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TypeName("constant");
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// Constructors
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//- Construct from entry name and Istream
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Constant(const word& entryName, Istream& is);
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//- Copy constructor
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Constant(const Constant<Type>& cnst);
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//- Construct and return a clone
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virtual tmp<DataEntry<Type> > clone() const
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{
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return tmp<DataEntry<Type> >(new Constant<Type>(*this));
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}
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//- Destructor
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virtual ~Constant();
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// Member Functions
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//- Return constant value
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Type value(const scalar) const;
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//- Integrate between two values
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Type integrate(const scalar x1, const scalar x2) const;
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//- Ostream Operator
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friend Ostream& operator<< <Type>(Ostream&, const Constant<Type>&);
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#ifdef NoRepository
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# include "Constant.C"
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#endif
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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