00001 /* @HEADER@ */ 00002 // ************************************************************************ 00003 // 00004 // Sundance 00005 // Copyright (2005) Sandia Corporation 00006 // 00007 // Copyright (year first published) Sandia Corporation. Under the terms 00008 // of Contract DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government 00009 // retains certain rights in this software. 00010 // 00011 // This library is free software; you can redistribute it and/or modify 00012 // it under the terms of the GNU Lesser General Public License as 00013 // published by the Free Software Foundation; either version 2.1 of the 00014 // License, or (at your option) any later version. 00015 // 00016 // This library is distributed in the hope that it will be useful, but 00017 // WITHOUT ANY WARRANTY; without even the implied warranty of 00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00019 // Lesser General Public License for more details. 00020 // 00021 // You should have received a copy of the GNU Lesser General Public 00022 // License along with this library; if not, write to the Free Software 00023 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 00024 // USA 00025 // Questions? Contact Kevin Long (krlong@sandia.gov), 00026 // Sandia National Laboratories, Livermore, California, USA 00027 // 00028 // ************************************************************************ 00029 /* @HEADER@ */ 00030 00031 #ifndef SUNDANCE_TENSORBASISBASE_H 00032 #define SUNDANCE_TENSORBASISBASE_H 00033 00034 namespace Sundance { 00035 00036 /** 00037 * 00038 */ 00039 class TensorBasisBase 00040 { 00041 public: 00042 00043 /** 00044 * \brief Return the tensor order of the basis 00045 */ 00046 virtual int tensorOrder() const = 0 ; 00047 00048 /** 00049 * \brief Return the dimension of the members of 00050 * a vector-valued basis. Return 1 if the basis 00051 * is scalar-valued. 00052 */ 00053 virtual int dim() const = 0 ; 00054 00055 /** \brief Inform caller as to whether I am a scalar basis. Default 00056 * implementation returns false. Overridden by ScalarBasis. */ 00057 virtual bool isScalarBasis() const {return false;} 00058 00059 /** \brief Inform caller as to whether I am in H(div) */ 00060 virtual bool isHDivBasis() const {return false;} 00061 00062 /** \brief Inform caller as to whether I am in H(curl) */ 00063 virtual bool isHCurlBasis() const {return false;} 00064 }; 00065 00066 00067 00068 } // namespace Sundance 00069 00070 00071 #endif