Files
openfoam/src/OpenFOAM/fields/Fields/transformField/transformField.C
2008-11-25 19:48:19 +00:00

129 lines
3.1 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2008 OpenCFD Ltd.
\\/ 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 2 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, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
\*---------------------------------------------------------------------------*/
#include "transformField.H"
#include "FieldM.H"
#include "diagTensor.H"
// * * * * * * * * * * * * * * * global functions * * * * * * * * * * * * * //
void Foam::transform
(
vectorField& rtf,
const quaternion& q,
const vectorField& tf
)
{
tensor t = q.R();
TFOR_ALL_F_OP_FUNC_S_F(vector, rtf, =, transform, tensor, t, vector, tf)
}
Foam::tmp<Foam::vectorField> Foam::transform
(
const quaternion& q,
const vectorField& tf
)
{
tmp<vectorField > tranf(new vectorField(tf.size()));
transform(tranf(), q, tf);
return tranf;
}
Foam::tmp<Foam::vectorField> Foam::transform
(
const quaternion& q,
const tmp<vectorField>& ttf
)
{
tmp<vectorField > tranf = reuseTmp<vector, vector>::New(ttf);
transform(tranf(), q, ttf());
reuseTmp<vector, vector>::clear(ttf);
return tranf;
}
void Foam::transform
(
vectorField& rtf,
const septernion& tr,
const vectorField& tf
)
{
vector T = tr.t();
// Check if any rotation
if (mag(tr.r().R() - I) > SMALL)
{
transform(rtf, tr.r(), tf);
if (mag(T) > VSMALL)
{
rtf += T;
}
}
else
{
if (mag(T) > VSMALL)
{
TFOR_ALL_F_OP_S_OP_F(vector, rtf, =, vector, T, +, vector, tf);
}
else
{
rtf = vector::zero;
}
}
}
Foam::tmp<Foam::vectorField> Foam::transform
(
const septernion& tr,
const vectorField& tf
)
{
tmp<vectorField > tranf(new vectorField(tf.size()));
transform(tranf(), tr, tf);
return tranf;
}
Foam::tmp<Foam::vectorField> Foam::transform
(
const septernion& tr,
const tmp<vectorField>& ttf
)
{
tmp<vectorField > tranf = reuseTmp<vector, vector>::New(ttf);
transform(tranf(), tr, ttf());
reuseTmp<vector, vector>::clear(ttf);
return tranf;
}
// ************************************************************************* //