1 // The libMesh Finite Element Library.
2 // Copyright (C) 2002-2020 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
3 
4 // This library is free software; you can redistribute it and/or
5 // modify it under the terms of the GNU Lesser General Public
6 // License as published by the Free Software Foundation; either
7 // version 2.1 of the License, or (at your option) any later version.
8 
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 // Lesser General Public License for more details.
13 
14 // You should have received a copy of the GNU Lesser General Public
15 // License along with this library; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17 
18 
19 
20 #ifndef LIBMESH_ENUM_NORM_TYPE_H
21 #define LIBMESH_ENUM_NORM_TYPE_H
22 
23 namespace libMesh {
24 
25 /**
26  * \enum libMesh::FEMNormType defines an \p enum for norms
27  * defined on vectors of finite element coefficients
28  *
29  * The fixed type, i.e. ": int", enumeration syntax used here allows
30  * this enum to be forward declared as
31  * enum FEMNormType : int;
32  * reducing header file dependencies.
33  */
34 enum FEMNormType : int {
35                   // Hilbert norms and seminorms in FE space
36                   L2              = 0,
37                   H1              = 1,
38                   H2              = 2,
39                   HCURL           = 3,
40                   HDIV            = 4,
41                   L1              = 5,
42                   L_INF           = 6,
43                   H1_SEMINORM     = 10,
44                   H2_SEMINORM     = 11,
45                   // Vector FE norms
46                   HCURL_SEMINORM  = 12,
47                   HDIV_SEMINORM   = 13,
48                   // Sobolev infinity seminorms
49                   W1_INF_SEMINORM = 15,
50                   W2_INF_SEMINORM = 16,
51                   // discrete norms on coefficient vectors
52                   DISCRETE_L1     = 20,
53                   DISCRETE_L2     = 21,
54                   DISCRETE_L_INF  = 22,
55                   // Seminorms based on only individual gradient
56                   // directional components
57                   H1_X_SEMINORM    = 31,
58                   H1_Y_SEMINORM    = 32,
59                   H1_Z_SEMINORM    = 33,
60                   // Invalid
61                   INVALID_NORM    = 42};
62 }
63 
64 #endif
65