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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2021-2026 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
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/>.
\*---------------------------------------------------------------------------*/
#include "squarePulse.H"
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
inline Foam::scalar Foam::Function1s::squarePulse::value(const scalar x) const
{
return start_ < x && x < start_ + duration_;
}
inline Foam::scalar Foam::Function1s::squarePulse::derivative
(
const scalar x
) const
{
return scalar(0);
}
inline Foam::scalar Foam::Function1s::squarePulse::integral
(
const scalar x1,
const scalar x2
) const
{
const scalar sign = x1 < x2 ? +1 : -1;
const scalar xL = min(x1, x2);
const scalar xR = max(x1, x2);
const scalar xLStar = min(max(xL, start_), xR);
const scalar xRStar = max(min(xR, start_ + duration_), xL);
return sign*(xRStar - xLStar);
}
// ************************************************************************* //
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