Constant.C

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    Copyright (C) 2015-2020 OpenCFD Ltd.
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#include "Constant.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class Type>
Foam::Function1Types::Constant<Type>::Constant
(
    const word& entryName,
    const Type& value
)
:
    Function1<Type>(entryName),
    value_(value)
{}
 
 
template<class Type>
Foam::Function1Types::Constant<Type>::Constant
(
    const word& entryName,
    const dictionary& dict
)
:
    Function1<Type>(entryName, dict),
    value_(Zero)
{
    Istream& is = dict.lookup(entryName);
    word entryType(is);
    is  >> value_;
}
 
 
template<class Type>
Foam::Function1Types::Constant<Type>::Constant
(
    const word& entryName,
    Istream& is
)
:
    Function1<Type>(entryName),
    value_(pTraits<Type>(is))
{}
 
 
template<class Type>
Foam::Function1Types::Constant<Type>::Constant(const Constant<Type>& cnst)
:
    Function1<Type>(cnst),
    value_(cnst.value_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class Type>
Foam::tmp<Foam::Field<Type>> Foam::Function1Types::Constant<Type>::value
(
    const scalarField& x
) const
{
    return tmp<Field<Type>>::New(x.size(), value_);
}
 
 
template<class Type>
Foam::tmp<Foam::Field<Type>> Foam::Function1Types::Constant<Type>::integrate
(
    const scalarField& x1,
    const scalarField& x2
) const
{
    return (x2 - x1)*value_;
}
 
template<class Type>
void Foam::Function1Types::Constant<Type>::writeData(Ostream& os) const
{
    Function1<Type>::writeData(os);
 
    os  << token::SPACE << value_ << token::END_STATEMENT << nl;
}
 
 
// ************************************************************************* //