primitiveMeshPointFaces.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
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    Copyright (C) 2011 OpenFOAM Foundation
    Copyright (C) 2024 OpenCFD Ltd.
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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
    (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
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\*---------------------------------------------------------------------------*/
 
#include "primitiveMesh.H"
#include "ListOps.H"
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
const Foam::labelListList& Foam::primitiveMesh::pointFaces() const
{
    if (!pfPtr_)
    {
        if (debug)
        {
            Pout<< "primitiveMesh::pointFaces() : "
                << "calculating pointFaces" << endl;
        }
 
        // Invert faces()
        pfPtr_ = std::make_unique<labelListList>(nPoints());
        invertManyToMany(nPoints(), faces(), *pfPtr_);
    }
 
    return *pfPtr_;
}
 
 
// ************************************************************************* //