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_COORDDERIV_H 00032 #define SUNDANCE_COORDDERIV_H 00033 00034 #include "SundanceDefs.hpp" 00035 #include "SundanceDerivBase.hpp" 00036 #include "SundanceMultiIndex.hpp" 00037 00038 #ifndef DOXYGEN_DEVELOPER_ONLY 00039 00040 00041 namespace Sundance 00042 { 00043 using namespace Teuchos; 00044 00045 /** 00046 * CoordDeriv represents a single first-order derivative with respect 00047 * to a coordinate function. It is used internally 00048 * to represent differentiation of 00049 * explicit coordinate dependence. 00050 * 00051 * @see Deriv 00052 * 00053 */ 00054 class CoordDeriv : public DerivBase 00055 { 00056 public: 00057 /** */ 00058 CoordDeriv(int dir); 00059 00060 /** */ 00061 virtual ~CoordDeriv(){;} 00062 00063 /** */ 00064 int dir() const {return dir_;} 00065 00066 /** */ 00067 virtual bool lessThan(const Deriv& other) const ; 00068 00069 /** */ 00070 virtual std::string toString() const ; 00071 00072 /* handleable boilerplate */ 00073 GET_RCP(DerivBase); 00074 00075 /** */ 00076 static int maxDim() {static int rtn=3; return rtn;} 00077 private: 00078 int dir_; 00079 }; 00080 } 00081 00082 00083 00084 #endif /* DOXYGEN_DEVELOPER_ONLY */ 00085 #endif