text: /*
  
  The MIT License (MIT)
  
  Copyright (c) 2017-2022 Tim Warburton, Noel Chalmers, Jesse Chan, Ali Karakus
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.
  
  */
  
  #include "mesh.hpp"
  
  namespace libp {
  
  void mesh_t::SetElementType(const int eType) {
  
    if (eType==TRIANGLES) {
      elementType = TRIANGLES;
  
      dim = 2;           // mesh dimension
      Nverts = 3;        // number of vertices per element
      Nfaces = 3;        // number of faces per element
      NfaceVertices = 2; // number of vertices per face
  
      // vertices on each face
      int _faceVertices[4][2] = {{0,1},{1,2},{2,0}};
  
      faceVertices.malloc(NfaceVertices*Nfaces);
      faceVertices.copyFrom(_faceVertices[0]);
  
    } else if (eType==QUADRILATERALS) {
      elementType = QUADRILATERALS;
  
      dim = 2;           // mesh dimension
      Nverts = 4;        // number of vertices per element
      Nfaces = 4;        // number of faces per element
      NfaceVertices = 2; // number of vertices per face
  
      // vertices on each face
      int _faceVertices[4][2] = {{0,1},{1,2},{2,3},{3,0}};
  
      faceVertices.malloc(NfaceVertices*Nfaces);
      faceVertices.copyFrom(_faceVertices[0]);
  
    } else if (eType==TETRAHEDRA) {
      elementType = TETRAHEDRA;
  
      dim = 3;           // mesh dimension
      Nverts = 4;        // number of vertices per element
      Nfaces = 4;        // number of faces per element
      NfaceVertices = 3; // number of vertices per face
  
      // vertices on each face
      int _faceVertices[4][3] = {{0,1,2},{0,3,1},{1,3,2},{0,2,3}};
  
      faceVertices.malloc(NfaceVertices*Nfaces);
      faceVertices.copyFrom(_faceVertices[0]);
  
    } else if (eType==HEXAHEDRA) {
      elementType = HEXAHEDRA;
  
      dim = 3;           // mesh dimension
      Nverts = 8;        // number of vertices per element
      Nfaces = 6;        // number of faces per element
      NfaceVertices = 4; // number of vertices per face
  
      // vertices on each face
      int _faceVertices[6][4] =
        {{0,1,2,3},{0,4,5,1},{1,5,6,2},{2,6,7,3},{0,3,7,4},{4,7,6,5}};
  
      faceVertices.malloc(NfaceVertices*Nfaces);
      faceVertices.copyFrom(_faceVertices[0]);
    } else {
      LIBP_FORCE_ABORT("Unknown element type: " << eType);
    }
  }
  
  } //namespace libp
  