src/foam/meshes/primitiveMesh/primitiveMeshEdgeCells.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | foam-extend: Open Source CFD
   4    \\    /   O peration     | Version:     3.2
   5     \\  /    A nd           | Web:         http://www.foam-extend.org
   6      \\/     M anipulation  | For copyright notice see file Copyright
   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of foam-extend.
  10
  11     foam-extend 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 3 of the License, or (at your
  14     option) any later version.
  15
  16     foam-extend is distributed in the hope that it will be useful, but
  17     WITHOUT ANY WARRANTY; without even the implied warranty of
  18     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19     General Public License for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with foam-extend.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 \*---------------------------------------------------------------------------*/
  25
  26 #include "primitiveMesh.H"
  27 #include "ListOps.H"
  28
  29
  30 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
  31
  32 const Foam::labelListList& Foam::primitiveMesh::edgeCells() const
  33 {
  34     if (!ecPtr_)
  35     {
  36         if (debug)
  37         {
  38             Pout<< "primitiveMesh::edgeCells() : calculating edgeCells"
  39                 << endl;
  40
  41             if (debug == -1)
  42             {
  43                 // For checking calls:abort so we can quickly hunt down
  44                 // origin of call
  45                 FatalErrorIn("primitiveMesh::edgeCells()")
  46                     << abort(FatalError);
  47             }
  48         }
  49         // Invert cellEdges
  50         ecPtr_ = new labelListList(nEdges());
  51         invertManyToMany(nEdges(), cellEdges(), *ecPtr_);
  52     }
  53
  54     return *ecPtr_;
  55 }
  56
  57
  58 const Foam::labelList& Foam::primitiveMesh::edgeCells
  59 (
  60     const label edgeI,
  61     dynamicLabelList& storage
  62 ) const
  63 {
  64     if (hasEdgeCells())
  65     {
  66         return edgeCells()[edgeI];
  67     }
  68     else
  69     {
  70         const labelList& own = faceOwner();
  71         const labelList& nei = faceNeighbour();
  72
  73         // Construct edgeFaces
  74         dynamicLabelList eFacesStorage;
  75         const labelList& eFaces = edgeFaces(edgeI, eFacesStorage);
  76
  77         storage.clear();
  78
  79         // Do quadratic insertion.
  80         forAll(eFaces, i)
  81         {
  82             label faceI = eFaces[i];
  83
  84             {
  85                 label ownCellI = own[faceI];
  86
  87                 // Check if not already in storage
  88                 forAll(storage, j)
  89                 {
  90                     if (storage[j] == ownCellI)
  91                     {
  92                         ownCellI = -1;
  93                         break;
  94                     }
  95                 }
  96
  97                 if (ownCellI != -1)
  98                 {
  99                     storage.append(ownCellI);
 100                 }
 101             }
 102
 103             if (isInternalFace(faceI))
 104             {
 105                 label neiCellI = nei[faceI];
 106
 107                 forAll(storage, j)
 108                 {
 109                     if (storage[j] == neiCellI)
 110                     {
 111                         neiCellI = -1;
 112                         break;
 113                     }
 114                 }
 115
 116                 if (neiCellI != -1)
 117                 {
 118                     storage.append(neiCellI);
 119                 }
 120             }
 121         }
 122
 123         return storage;
 124     }
 125 }
 126
 127
 128 const Foam::labelList& Foam::primitiveMesh::edgeCells(const label edgeI) const
 129 {
 130     return edgeCells(edgeI, labels_);
 131 }
 132
 133
 134 // ************************************************************************* //