boundBoxTemplates.C

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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
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
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#include "boundBox.H"
#include "FixedList.H"
#include "PstreamReduceOps.H"
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<unsigned Size>
Foam::boundBox::boundBox
(
    const UList<point>& points,
    const FixedList<label, Size>& indices,
    const bool doReduce
)
:
    min_(Zero),
    max_(Zero)
{
    // a FixedList is never empty
    if (points.empty())
    {
        if (doReduce && Pstream::parRun())
        {
            // Use values that get overwritten by reduce minOp, maxOp below
            min_ = point(vGreat, vGreat, vGreat);
            max_ = point(-vGreat, -vGreat, -vGreat);
        }
    }
    else
    {
        min_ = points[indices[0]];
        max_ = points[indices[0]];
 
        for (unsigned i=1; i < Size; ++i)
        {
            min_ = ::Foam::min(min_, points[indices[i]]);
            max_ = ::Foam::max(max_, points[indices[i]]);
        }
    }
 
    // Reduce parallel information
    if (doReduce)
    {
        reduce(min_, minOp<point>());
        reduce(max_, maxOp<point>());
    }
}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
template<unsigned Size>
bool Foam::boundBox::contains
(
    const UList<point>& points,
    const FixedList<label, Size>& indices
) const
{
    // a FixedList is never empty
    if (points.empty())
    {
        return false;
    }
 
    forAll(indices, i)
    {
        if (!contains(points[indices[i]]))
        {
            return false;
        }
    }
 
    return true;
}
 
 
template<unsigned Size>
bool Foam::boundBox::containsAny
(
    const UList<point>& points,
    const FixedList<label, Size>& indices
) const
{
    // a FixedList is never empty
    if (points.empty())
    {
        return false;
    }
 
    forAll(indices, i)
    {
        if (contains(points[indices[i]]))
        {
            return true;
        }
    }
 
    return false;
}
 
 
// ************************************************************************* //