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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2020-2026 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::Function1s::Coded

Description
    Constructs a dynamically compiled Function1.

Usage
    Example of a cosine bell shaped pulse inlet:
    \verbatim
    inlet
    {
        type            uniformFixedValue;
        uniformValue    coded;

        name            pulse;

        codeInclude
        #{
            #include "mathematicalConstants.H"
        #};

        code
        #{
            return vector
            (
                0.5*(1 - cos(constant::mathematical::twoPi*min(x/0.3, 1))),
                0,
                0
            );
        #};
    }
    \endverbatim

See also
    Foam::dynamicCode
    Foam::functionEntries::codeStream

SourceFiles
    CodedFunction1I.H
    CodedFunction1.C

\*---------------------------------------------------------------------------*/

#ifndef CodedFunction1_H
#define CodedFunction1_H

#include "Function1.H"
#include "codedBase.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{
namespace Function1s
{

/*---------------------------------------------------------------------------*\
                            Class Coded Declaration
\*---------------------------------------------------------------------------*/

template<class Type>
class Coded
:
    public Function1<Type>,
    public codedBase
{
    // Private Data

        //- Keywords associated with source code
        static const wordList codeKeys;

        //- Name of the dictionary variables in the source code
        static const wordList codeDictVars;

        // Name of the code options template file
        static const word codeOptions;

        // Names of the source files to compile
        static const wordList compileFiles;

        // Names of the source files to copy (header files)
        static const wordList copyFiles;

        //- Cache of the unit conversions
        const unitSets units_;

        //- The dynamically generated Function1 pointer
        mutable autoPtr<Function1<Type>> redirectFunction1Ptr_;


public:

    // Runtime type information
    TypeName("coded");


    // Constructors

        //- Construct from name and dictionary
        Coded
        (
            const word& name,
            const Function1s::unitSets& units,
            const dictionary& dict
        );

        //- Copy constructor
        Coded(const Coded<Type>& cf1);

        //- Construct and return a clone
        virtual tmp<Function1<Type>> clone() const;


    //- Destructor
    virtual ~Coded();


    // Member Functions

        //- Return the value at a scalar coordinate
        virtual inline Type value(const scalar x) const;

        //- Return a field of values at given scalar coordinates
        virtual tmp<Field<Type>> value(const scalarField& x) const;

        //- Return the derivative at a scalar coordinate
        virtual Type derivative(const scalar x) const;

        //- Return a field of derivatives at given scalar coordinates
        virtual tmp<Field<Type>> derivative(const scalarField& x) const;

        //- Return the integral between two scalar coordinates
        virtual Type integral(const scalar x1, const scalar x2) const;

        //- Return a field of integrals given two fields of scalar coordinates
        virtual tmp<Field<Type>> integral
        (
            const scalarField& x1,
            const scalarField& x2
        ) const;

        //- Write in dictionary format
        virtual void write(Ostream& os, const unitSets& units) const;


    // Member Operators

        //- Disallow default bitwise assignment
        void operator=(const Coded<Type>&) = delete;
};


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Function1s
} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#include "CodedFunction1I.H"

#ifdef NoRepository
    #include "CodedFunction1.C"
#endif

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //