FieldFieldReuseFunctions.H

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#ifndef FieldFieldReuseFunctions_H
#define FieldFieldReuseFunctions_H

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

namespace Foam
{

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

template<template<class> class Field, class TypeR, class Type1>
class reuseTmpFieldField
{
public:

    static tmp<FieldField<Field, TypeR> > New
    (
        const tmp<FieldField<Field, Type1> >& tf1
    )
    {
        return tmp<FieldField<Field, TypeR> >
        (
            FieldField<Field, TypeR>::NewCalculatedType(tf1())
        );
    }

    static void clear(const tmp<FieldField<Field, Type1> >& tf1)
    {
        tf1.clear();
    }
};


template<template<class> class Field, class TypeR>
class reuseTmpFieldField<Field, TypeR, TypeR>
{
public:

    static tmp<FieldField<Field, TypeR> > New
    (
        const tmp<FieldField<Field, TypeR> >& tf1
    )
    {
        if (tf1.isTmp())
        {
            return tf1;
        }
        else
        {
            return tmp<FieldField<Field, TypeR> >
            (
                FieldField<Field, TypeR>::NewCalculatedType(tf1())
            );
        }
    }

    static void clear(const tmp<FieldField<Field, TypeR> >& tf1)
    {
        if (tf1.isTmp())
        {
            tf1.ptr();
        }
    }
};


template
<
    template<class> class Field,
    class TypeR,
    class Type1,
    class Type12,
    class Type2
>
class reuseTmpTmpFieldField
{
public:

    static tmp<FieldField<Field, TypeR> > New
    (
        const tmp<FieldField<Field, Type1> >& tf1,
        const tmp<FieldField<Field, Type2> >& tf2
    )
    {
        return tmp<FieldField<Field, TypeR> >
        (
            FieldField<Field, TypeR>::NewCalculatedType(tf1())
        );
    }

    static void clear
    (
        const tmp<FieldField<Field, Type1> >& tf1,
        const tmp<FieldField<Field, Type2> >& tf2
    )
    {
        tf1.clear();
        tf2.clear();
    }
};


template<template<class> class Field, class TypeR, class Type1, class Type12>
class reuseTmpTmpFieldField<Field, TypeR, Type1, Type12, TypeR>
{
public:

    static tmp<FieldField<Field, TypeR> > New
    (
        const tmp<FieldField<Field, Type1> >& tf1,
        const tmp<FieldField<Field, TypeR> >& tf2
    )
    {
        if (tf2.isTmp())
        {
            return tf2;
        }
        else
        {
            return tmp<FieldField<Field, TypeR> >
            (
                FieldField<Field, TypeR>::NewCalculatedType(tf1())
            );
        }
    }

    static void clear
    (
        const tmp<FieldField<Field, Type1> >& tf1,
        const tmp<FieldField<Field, TypeR> >& tf2
    )
    {
        tf1.clear();
        if (tf2.isTmp())
        {
            tf2.ptr();
        }
    }
};


template<template<class> class Field, class TypeR, class Type2>
class reuseTmpTmpFieldField<Field, TypeR, TypeR, TypeR, Type2>
{
public:

    static tmp<FieldField<Field, TypeR> > New
    (
        const tmp<FieldField<Field, TypeR> >& tf1,
        const tmp<FieldField<Field, Type2> >& tf2
    )
    {
        if (tf1.isTmp())
        {
            return tf1;
        }
        else
        {
            return tmp<FieldField<Field, TypeR> >
            (
                FieldField<Field, TypeR>::NewCalculatedType(tf1())
            );
        }
    }

    static void clear
    (
        const tmp<FieldField<Field, TypeR> >& tf1,
        const tmp<FieldField<Field, Type2> >& tf2
    )
    {
        if (tf1.isTmp())
        {
            tf1.ptr();
        }
        tf2.clear();
    }
};


template<template<class> class Field, class TypeR>
class reuseTmpTmpFieldField<Field, TypeR, TypeR, TypeR, TypeR>
{
public:

    static tmp<FieldField<Field, TypeR> > New
    (
        const tmp<FieldField<Field, TypeR> >& tf1,
        const tmp<FieldField<Field, TypeR> >& tf2
    )
    {
        if (tf1.isTmp())
        {
            return tf1;
        }
        else if (tf2.isTmp())
        {
            return tf2;
        }
        else
        {
            return tmp<FieldField<Field, TypeR> >
            (
                FieldField<Field, TypeR>::NewCalculatedType(tf1())
            );
        }
    }

    static void clear
    (
        const tmp<FieldField<Field, TypeR> >& tf1,
        const tmp<FieldField<Field, TypeR> >& tf2
    )
    {
        if (tf1.isTmp())
        {
            tf1.ptr();
            tf2.clear();
        }
        else if (tf2.isTmp())
        {
            tf1.clear();
            tf2.ptr();
        }
    }
};


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

} // End namespace Foam

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

#endif

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