FieldFieldReuseFunctions.H

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#ifndef FieldFieldReuseFunctions_H
#define FieldFieldReuseFunctions_H

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

namespace Foam
{

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

template<template<class> class Field, class TypeR>
tmp<FieldField<Field, TypeR>> New
(
    const tmp<FieldField<Field, TypeR>>& tf1,
    const bool initRet = false
)
{
    if (tf1.isTmp())
    {
        return tf1;
    }
    else
    {
        tmp<FieldField<Field, TypeR>> rtf
        (
            FieldField<Field, TypeR>::NewCalculatedType(tf1())
        );

        if (initRet)
        {
            rtf.ref() = tf1();
        }

        return rtf;
    }
}


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())
        );
    }
};


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())
            );
        }
    }
};


template<template<class> class Field, class TypeR, class Type1, 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())
        );
    }
};


template<template<class> class Field, class TypeR, class Type1>
class reuseTmpTmpFieldField<Field, TypeR, Type1, 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())
            );
        }
    }
};


template<template<class> class Field, class TypeR, class Type2>
class reuseTmpTmpFieldField<Field, 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())
            );
        }
    }
};


template<template<class> class Field, class TypeR>
class reuseTmpTmpFieldField<Field, 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())
            );
        }
    }
};


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

} // End namespace Foam

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

#endif

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