src/OpenFOAM/meshes/primitiveMesh/primitiveMeshEdgeCells.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright held by original author
   6      \\/     M anipulation  |
   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of OpenFOAM.
  10
  11     OpenFOAM is free software; you can redistribute it and/or modify it
  12     under the terms of the GNU General Public License as published by the
  13     Free Software Foundation; either version 2 of the License, or (at your
  14     option) any later version.
  15
  16     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
  17     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  19     for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with OpenFOAM; if not, write to the Free Software Foundation,
  23     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  24
  25 \*---------------------------------------------------------------------------*/
  26
  27 #include "primitiveMesh.H"
  28 #include "ListOps.H"
  29
  30
  31 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
  32
  33 const Foam::labelListList& Foam::primitiveMesh::edgeCells() const
  34 {
  35     if (!ecPtr_)
  36     {
  37         if (debug)
  38         {
  39             Pout<< "primitiveMesh::edgeCells() : calculating edgeCells"
  40                 << endl;
  41
  42             if (debug == -1)
  43             {
  44                 // For checking calls:abort so we can quickly hunt down
  45                 // origin of call
  46                 FatalErrorIn("primitiveMesh::edgeCells()")
  47                     << abort(FatalError);
  48             }
  49         }
  50         // Invert cellEdges
  51         ecPtr_ = new labelListList(nEdges());
  52         invertManyToMany(nEdges(), cellEdges(), *ecPtr_);
  53     }
  54
  55     return *ecPtr_;
  56 }
  57
  58
  59 const Foam::labelList& Foam::primitiveMesh::edgeCells
  60 (
  61     const label edgeI,
  62     DynamicList<label>& storage
  63 ) const
  64 {
  65     if (hasEdgeCells())
  66     {
  67         return edgeCells()[edgeI];
  68     }
  69     else
  70     {
  71         const labelList& own = faceOwner();
  72         const labelList& nei = faceNeighbour();
  73
  74         // Construct edgeFaces
  75         DynamicList<label> eFacesStorage;
  76         const labelList& eFaces = edgeFaces(edgeI, eFacesStorage);
  77
  78         storage.clear();
  79
  80         // Do quadratic insertion.
  81         forAll(eFaces, i)
  82         {
  83             label faceI = eFaces[i];
  84
  85             {
  86                 label ownCellI = own[faceI];
  87
  88                 // Check if not already in storage
  89                 forAll(storage, j)
  90                 {
  91                     if (storage[j] == ownCellI)
  92                     {
  93                         ownCellI = -1;
  94                         break;
  95                     }
  96                 }
  97
  98                 if (ownCellI != -1)
  99                 {
 100                     storage.append(ownCellI);
 101                 }
 102             }
 103
 104             if (isInternalFace(faceI))
 105             {
 106                 label neiCellI = nei[faceI];
 107
 108                 forAll(storage, j)
 109                 {
 110                     if (storage[j] == neiCellI)
 111                     {
 112                         neiCellI = -1;
 113                         break;
 114                     }
 115                 }
 116
 117                 if (neiCellI != -1)
 118                 {
 119                     storage.append(neiCellI);
 120                 }
 121             }
 122         }
 123
 124         return storage;
 125     }
 126 }
 127
 128
 129 const Foam::labelList& Foam::primitiveMesh::edgeCells(const label edgeI) const
 130 {
 131     return edgeCells(edgeI, labels_);
 132 }
 133
 134
 135 // ************************************************************************* //