UniformValueField.H

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/*---------------------------------------------------------------------------*\
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    \\  /    A nd           | www.openfoam.com
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-------------------------------------------------------------------------------
    Copyright (C) 2018-2020 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
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    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::PatchFunction1Types::UniformValueField
 
Description
    Templated function that returns a uniform field based on a run-time
    selectable Function1 entry.
 
    Usage - for entry <entryName> returning the value <value>:
    \verbatim
        <entryName>    uniformValue
    \endverbatim
 
SourceFiles
    UniformValueField.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef PatchFunction1Types_UniformValueField_H
#define PatchFunction1Types_UniformValueField_H
 
#include "PatchFunction1.H"
#include "Function1.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace PatchFunction1Types
{
 
/*---------------------------------------------------------------------------*\
                     Class UniformValueField Declaration
\*---------------------------------------------------------------------------*/
 
template<class Type>
class UniformValueField
:
    public PatchFunction1<Type>
{
    // Private Data
 
        //- Source of uniform values (in local coordinate system)
        autoPtr<Foam::Function1<Type>> uniformValuePtr_;
 
public:
 
    // Runtime type information
    TypeName("uniformValue");
 
 
    // Generated Methods
 
        //- No copy assignment
        void operator=(const UniformValueField<Type>&) = delete;
 
 
    // Constructors
 
        //- Construct from entry name and dictionary
        UniformValueField
        (
            const polyPatch& pp,
            const word& redirectType,
            const word& entryName,
            const dictionary& dict,
            const bool faceValues = true
        );
 
        //- Copy construct
        explicit UniformValueField(const UniformValueField<Type>& rhs);
 
        //- Copy construct setting patch
        explicit UniformValueField
        (
            const UniformValueField<Type>& rhs,
            const polyPatch& pp
        );
 
        //- Construct and return a clone
        virtual tmp<PatchFunction1<Type>> clone() const
        {
            return tmp<PatchFunction1<Type>>
            (
                new UniformValueField<Type>(*this)
            );
        }
 
        //- Construct and return a clone setting patch
        virtual tmp<PatchFunction1<Type>> clone(const polyPatch& pp) const
        {
            return tmp<PatchFunction1<Type>>
            (
                new UniformValueField<Type>(*this, pp)
            );
        }
 
 
    //- Destructor
    virtual ~UniformValueField() = default;
 
 
    // Member Functions
 
        // Evaluation
 
            //- Return UniformValueField value
            virtual inline tmp<Field<Type>> value(const scalar x) const;
 
            //- Is value constant (i.e. independent of x)
            virtual inline bool constant() const;
 
            //- Is value uniform (i.e. independent of coordinate)
            virtual inline bool uniform() const
            {
                return PatchFunction1<Type>::uniform();
            }
 
            //- Integrate between two values
            virtual inline tmp<Field<Type>> integrate
            (
                const scalar x1,
                const scalar x2
            ) const;
 
 
        // Mapping
 
            //- Map (and resize as needed) from self given a mapping object
            virtual void autoMap(const FieldMapper& mapper);
 
            //- Reverse map the given PatchFunction1 onto this PatchFunction1
            virtual void rmap
            (
                const PatchFunction1<Type>& pf1,
                const labelList& addr
            );
 
 
        // I-O
 
            //- Write in dictionary format
            virtual void writeData(Ostream& os) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace PatchFunction1Types
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "UniformValueFieldI.H"
 
#ifdef NoRepository
    #include "UniformValueField.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //