Files
openfoam/src/OpenFOAM/primitives/functions/Function1/Constant/Constant.H
2017-03-31 15:34:28 +01:00

136 lines
3.6 KiB
C++

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2017 OpenFOAM Foundation
\\/ M anipulation | Copyright (C) 2015 OpenCFD Ltd.
-------------------------------------------------------------------------------
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::Function1Types::Constant
Description
Templated function that returns a constant value.
Usage - for entry \<entryName\> returning the value <value>:
\verbatim
<entryName> constant <value>
\endverbatim
SourceFiles
Constant.C
\*---------------------------------------------------------------------------*/
#ifndef Constant_H
#define Constant_H
#include "Function1.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace Function1Types
{
/*---------------------------------------------------------------------------*\
Class Constant Declaration
\*---------------------------------------------------------------------------*/
template<class Type>
class Constant
:
public Function1<Type>
{
// Private data
//- Constant value
Type value_;
// Private Member Functions
//- Disallow default bitwise assignment
void operator=(const Constant<Type>&);
public:
// Runtime type information
TypeName("constant");
// Constructors
//- Construct from components
Constant(const word& entryName, const Type& value);
//- Construct from entry name and dictionary
Constant(const word& entryName, const dictionary& dict);
//- Construct from entry name and Istream
// Reads the constant value without the Function1 type
// for backward compatibility
Constant(const word& entryName, Istream& is);
//- Copy constructor
Constant(const Constant<Type>& cnst);
//- Construct and return a clone
virtual tmp<Function1<Type>> clone() const
{
return tmp<Function1<Type>>(new Constant<Type>(*this));
}
//- Destructor
virtual ~Constant();
// Member Functions
//- Return constant value
Type value(const scalar) const;
//- Integrate between two values
Type integrate(const scalar x1, const scalar x2) const;
//- Write in dictionary format
virtual void writeData(Ostream& os) const;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Function1Types
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#ifdef NoRepository
#include "Constant.C"
#include "Function1New.C"
#endif
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //