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101 lines
2.9 KiB
C
101 lines
2.9 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 "boundBox.H"
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#include "PstreamReduceOps.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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boundBox::boundBox(const pointField& points, const bool doReduce)
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:
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min_(vector::zero),
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max_(vector::zero)
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{
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if (points.size() == 0)
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{
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if (Pstream::parRun() && doReduce)
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{
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// Use values which get overwritten by reduce minOp,maxOp below
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min_ = point(VGREAT, VGREAT, VGREAT);
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max_ = point(-VGREAT, -VGREAT, -VGREAT);
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}
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else
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{
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WarningIn("boundBox::boundBox(const pointField& points)")
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<< "Cannot find bounding box for zero sized pointField, "
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"returning zero"
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<< endl;
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return;
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}
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}
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else
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{
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min_ = points[0];
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max_ = points[0];
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forAll(points, i)
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{
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min_ = ::Foam::min(min_, points[i]);
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max_ = ::Foam::max(max_, points[i]);
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}
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}
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if (doReduce)
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{
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// Reduce parallel information
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reduce(min_, minOp<point>());
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reduce(max_, maxOp<point>());
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}
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}
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boundBox::boundBox(Istream& is)
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:
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min_(is),
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max_(is)
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{}
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// * * * * * * * * * * * * * * * Ostream Operator * * * * * * * * * * * * * //
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Ostream& operator<<(Ostream& os, const boundBox& b)
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{
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return os << b.min() << token::SPACE << b.max();
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// ************************************************************************* //
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