Field.H

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/*---------------------------------------------------------------------------*\
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   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2011-2024 OpenFOAM Foundation
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-------------------------------------------------------------------------------
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::Field
 
Description
    Generic templated field type.
 
SourceFiles
    FieldFunctions.H
    FieldFunctionsM.H
    FieldM.H
    Field.C
    FieldFunctions.C
    FieldFunctionsM.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef Field_H
#define Field_H
 
#include "tmp.H"
#include "direction.H"
#include "VectorSpace.H"
#include "scalarList.H"
#include "labelList.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward declaration of friend functions and operators
 
template<class Type>
class Field;
 
//- Pre-declare related SubField type
template<class Type>
class SubField;
 
template<class Type>
void writeEntry(Ostream& os, const Field<Type>&);
 
template<class Type>
Ostream& operator<<(Ostream&, const Field<Type>&);
 
template<class Type>
Ostream& operator<<(Ostream&, const tmp<Field<Type>>&);
 
class unitConversion;
class dictionary;
 
/*---------------------------------------------------------------------------*\
                            Class Field Declaration
\*---------------------------------------------------------------------------*/
 
template<class Type>
class Field
:
    public tmp<Field<Type>>::refCount,
    public List<Type>
{
    // Private Member Functions
 
        //- Return reference to copy of this field if mapF is the same field
        //  otherwise return mapF
        const UList<Type>& copySelf
        (
            const UList<Type>& mapF,
            tmp<Field<Type>>& tmapFcpy
        ) const;
 
 
public:
 
    //- Component type
    typedef typename pTraits<Type>::cmptType cmptType;
 
    //- Declare type of subField
    typedef SubField<Type> subField;
 
 
    // Static Data Members
 
        static const char* const typeName;
 
 
    // Static Member Functions
 
        //- Return a null field
        inline static const Field<Type>& null()
        {
            return NullObjectRef<Field<Type>>();
        }
 
 
    // Constructors
 
        //- Construct null
        //  Used for temporary fields which are initialised after construction
        Field();
 
        //- Construct given size
        //  Used for temporary fields which are initialised after construction
        explicit Field(const label);
 
        //- Construct given size and initial value
        Field(const label, const Type&);
 
        //- Construct given size and initialised to zero
        Field(const label, const zero);
 
        //- Copy constructor of a UList<Type>
        explicit Field(const UList<Type>&);
 
        //- Mover constructor transferring the List contents
        explicit Field(List<Type>&&);
 
        //- Copy constructor of a UIndirectList<Type>
        explicit Field(const UIndirectList<Type>&);
 
        //- Copy constructor
        Field(const Field<Type>&);
 
        //- Copy constructor or reuse as specified.
        Field(Field<Type>&, bool reuse);
 
        //- Move constructor transferring the Field contents
        Field(Field<Type>&&);
 
        //- Copy constructor of tmp<Field>
        Field(const tmp<Field<Type>>&);
 
        //- Construct by 1 to 1 mapping from the given field
        Field
        (
            const UList<Type>& mapF,
            const labelUList& mapAddressing
        );
 
        //- Construct by 1 to 1 mapping from the given tmp field
        Field
        (
            const tmp<Field<Type>>& tmapF,
            const labelUList& mapAddressing
        );
 
        //- Construct by interpolative mapping from the given field
        Field
        (
            const UList<Type>& mapF,
            const labelListList& mapAddressing,
            const scalarListList& weights
        );
 
        //- Construct by interpolative mapping from the given tmp field
        Field
        (
            const tmp<Field<Type>>& tmapF,
            const labelListList& mapAddressing,
            const scalarListList& weights
        );
 
        //- Construct from Istream
        Field(Istream&);
 
        //- Construct from a dictionary entry
        Field(const word& keyword, const dictionary&, const label size);
 
        //- Construct from a dictionary entry with unit conversion
        Field
        (
            const word& keyword,
            const unitConversion&,
            const dictionary&,
            const label size
        );
 
        //- Clone
        tmp<Field<Type>> clone() const;
 
        //- Return a pointer to a new calculatedFvPatchFieldField created on
        //  freestore without setting patchField values
        template<class Type2>
        static tmp<Field<Type>> NewCalculatedType(const Field<Type2>& f)
        {
            return tmp<Field<Type>>(new Field<Type>(f.size()));
        }
 
 
    // Member Functions
 
        //- 1 to 1 map from the given field
        void map
        (
            const UList<Type>& mapF,
            const labelUList& mapAddressing
        );
 
        //- 1 to 1 map from the given tmp field
        void map
        (
            const tmp<Field<Type>>& tmapF,
            const labelUList& mapAddressing
        );
 
        //- Interpolative map from the given field
        void map
        (
            const UList<Type>& mapF,
            const labelListList& mapAddressing,
            const scalarListList& weights
        );
 
        //- Interpolative map from the given tmp field
        void map
        (
            const tmp<Field<Type>>& tmapF,
            const labelListList& mapAddressing,
            const scalarListList& weights
        );
 
        //- 1 to 1 reverse-map from the given field
        void rmap
        (
            const UList<Type>& mapF,
            const labelUList& mapAddressing
        );
 
        //- 1 to 1 reverse-map from the given tmp field
        void rmap
        (
            const tmp<Field<Type>>& tmapF,
            const labelUList& mapAddressing
        );
 
        //- Interpolative reverse map from the given field
        void rmap
        (
            const UList<Type>& mapF,
            const labelUList& mapAddressing,
            const UList<scalar>& weights
        );
 
        //- Interpolative reverse map from the given tmp field
        void rmap
        (
            const tmp<Field<Type>>& tmapF,
            const labelUList& mapAddressing,
            const UList<scalar>& weights
        );
 
        //- Reset the field values to the given field
        //  Equivalent to operator=
        void reset(const Field<Type>&);
 
        //- Negate this field
        void negate();
 
        //- Return a component field of the field
        tmp<Field<cmptType>> component(const direction) const;
 
        //- Replace a component field of the field
        void replace(const direction, const UList<cmptType>&);
 
        //- Replace a component field of the field
        void replace(const direction, const tmp<Field<cmptType>>&);
 
        //- Replace a component field of the field
        void replace(const direction, const cmptType&);
 
        template<class VSForm>
        VSForm block(const label start) const;
 
        //- Return the field transpose (only defined for second rank tensors)
        tmp<Field<Type>> T() const;
 
 
    // Member Operators
 
        void operator=(const Field<Type>&);
        void operator=(Field<Type>&&);
        void operator=(const UList<Type>&);
        void operator=(List<Type>&&);
        void operator=(const SubField<Type>&);
        void operator=(const tmp<Field<Type>>&);
        void operator=(const Type&);
        void operator=(const zero);
 
        template<class Form, class Cmpt, direction nCmpt>
        void operator=(const VectorSpace<Form,Cmpt,nCmpt>&);
 
        void operator+=(const UList<Type>&);
        void operator+=(const tmp<Field<Type>>&);
 
        void operator-=(const UList<Type>&);
        void operator-=(const tmp<Field<Type>>&);
 
        void operator*=(const UList<scalar>&);
        void operator*=(const tmp<Field<scalar>>&);
 
        void operator/=(const UList<scalar>&);
        void operator/=(const tmp<Field<scalar>>&);
 
        void operator+=(const Type&);
        void operator-=(const Type&);
 
        void operator*=(const scalar&);
        void operator/=(const scalar&);
 
 
    // IOstream Operators
 
        friend Ostream& operator<< <Type>
        (Ostream&, const Field<Type>&);
 
        friend Ostream& operator<< <Type>
        (Ostream&, const tmp<Field<Type>>&);
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "FieldFunctions.H"
 
#ifdef NoRepository
    #include "Field.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //