exprResultStackTemplates.C

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    Copyright (C) 2012-2018 Bernhard Gschaider
    Copyright (C) 2019 OpenCFD Ltd.
-------------------------------------------------------------------------------
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.
 
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    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
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template<class T>
bool Foam::expressions::exprResultStack::pushChecked
(
    const exprResult& result
)
{
    if (!isType<T>())
    {
        return false;
    }
 
    // The value to push
    T val(Zero);
 
    const Field<T>& resultField = result.cref<T>();
 
    if (!resultField.empty())
    {
        val = resultField.front();
    }
 
    this->ref<T>().push_back(val);
 
    return true;
}
 
 
template<class T>
bool Foam::expressions::exprResultStack::popChecked
(
    exprResult& result
)
{
    if (!isType<T>())
    {
        return false;
    }
 
    // The popped value
    T val(Zero);
 
    Field<T>& oldField = this->ref<T>();
 
    if (!oldField.empty())
    {
        val = oldField.back();
        oldField.pop_back();
    }
 
    result.setSingleValue(val);
 
    return true;
}
 
 
// ************************************************************************* //