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129 lines
3.1 KiB
C
129 lines
3.1 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 1991-2008 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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\*---------------------------------------------------------------------------*/
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#include "transformField.H"
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#include "FieldM.H"
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#include "diagTensor.H"
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// * * * * * * * * * * * * * * * global functions * * * * * * * * * * * * * //
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void Foam::transform
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(
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vectorField& rtf,
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const quaternion& q,
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const vectorField& tf
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)
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{
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tensor t = q.R();
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TFOR_ALL_F_OP_FUNC_S_F(vector, rtf, =, transform, tensor, t, vector, tf)
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}
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Foam::tmp<Foam::vectorField> Foam::transform
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(
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const quaternion& q,
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const vectorField& tf
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)
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{
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tmp<vectorField > tranf(new vectorField(tf.size()));
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transform(tranf(), q, tf);
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return tranf;
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}
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Foam::tmp<Foam::vectorField> Foam::transform
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(
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const quaternion& q,
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const tmp<vectorField>& ttf
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)
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{
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tmp<vectorField > tranf = reuseTmp<vector, vector>::New(ttf);
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transform(tranf(), q, ttf());
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reuseTmp<vector, vector>::clear(ttf);
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return tranf;
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}
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void Foam::transform
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(
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vectorField& rtf,
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const septernion& tr,
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const vectorField& tf
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)
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{
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vector T = tr.t();
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// Check if any rotation
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if (mag(tr.r().R() - I) > SMALL)
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{
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transform(rtf, tr.r(), tf);
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if (mag(T) > VSMALL)
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{
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rtf += T;
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}
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}
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else
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{
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if (mag(T) > VSMALL)
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{
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TFOR_ALL_F_OP_S_OP_F(vector, rtf, =, vector, T, +, vector, tf);
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}
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else
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{
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rtf = vector::zero;
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}
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}
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}
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Foam::tmp<Foam::vectorField> Foam::transform
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(
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const septernion& tr,
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const vectorField& tf
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)
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{
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tmp<vectorField > tranf(new vectorField(tf.size()));
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transform(tranf(), tr, tf);
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return tranf;
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}
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Foam::tmp<Foam::vectorField> Foam::transform
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(
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const septernion& tr,
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const tmp<vectorField>& ttf
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)
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{
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tmp<vectorField > tranf = reuseTmp<vector, vector>::New(ttf);
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transform(tranf(), tr, ttf());
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reuseTmp<vector, vector>::clear(ttf);
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return tranf;
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}
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// ************************************************************************* //
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