Provided by: librheolef-dev_5.93-2_i386 bug

NAME

       hexa - Hexaedra reference element

DESCRIPTION

       The hexa reference element is [-1,1]^3.

NUMBERING

       The  orientation  is  such  that triedra (01, 03, 04) is direct and all
       faces, see from exterior, are in the direct sens.   References:  P.  L.
       Georges, "Generation automatique de maillages", page 24-, coll RMA, 16,
       Masson, 1994.

                   z

                   4 - - -7
              . '  .  . ' |
             5 - - -6     |
             |     .|     |
             |     .|     |
             |     .|     |
             |     0|. . .3     y
             | . '  | . '
             1 - - -2

           x

IMPLEMENTATION

       const size_t dimension = 3;
       const Float  measure = 8;
       const size_t n_vertex = 8;
       const Float vertex [n_vertex][dimension] = {
               {-1,-1,-1 },
               { 1,-1,-1 },
               { 1, 1,-1 },
               {-1, 1,-1 },
               {-1,-1, 1 },
               { 1,-1, 1 },
               { 1, 1, 1 },
               {-1, 1, 1 } };
       const size_t  n_face = 6;
       const size_t face [n_face][4] = {
               {0, 3, 2, 1 },
               {0, 4, 7, 3 },
               {0, 1, 5, 4 },
               {4, 5, 6, 7 },
               {1, 2, 6, 5 },
               {2, 3, 7, 6 } };
       const size_t  n_edge = 12;
       const size_t edge [n_edge][2] = {
               {0, 1 },
               {1, 2 },
               {2, 3 },
               {3, 0 },
               {0, 4 },
               {1, 5 },
               {2, 6 },
               {3, 7 },
               {4, 5 },
               {5, 6 },
               {6, 7 },
               {7, 4 } };