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_REFERENCE_ELEM_H 21 #define LIBMESH_REFERENCE_ELEM_H 22 23 // Local includes 24 #include "libmesh/libmesh_common.h" 25 26 #ifdef LIBMESH_FORWARD_DECLARE_ENUMS 27 namespace libMesh 28 { 29 enum ElemType : int; 30 } 31 #else 32 #include "libmesh/enum_elem_type.h" 33 #endif 34 35 namespace libMesh 36 { 37 38 // forward declarations 39 class Elem; 40 41 /** 42 * This namespace implements singleton reference elements for each 43 * fundamental element type supported by \p libMesh. 44 * 45 * \author Benjamin S. Kirk 46 * \date 2013 47 * \brief Namespace providing access to reference geometric element types. 48 */ 49 namespace ReferenceElem 50 { 51 /** 52 * \returns A constant reference to the reference element of 53 * the user-requested type. 54 */ 55 const Elem & get (const ElemType type_in); 56 57 } // namespace ReferenceElem 58 59 60 } // namespace libMesh 61 62 63 #endif // LIBMESH_REFERENCE_ELEM_H 64