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_CELLDIAMETEREXPR_H 00032 #define SUNDANCE_CELLDIAMETEREXPR_H 00033 00034 #include "SundanceEvaluatorFactory.hpp" 00035 #include "SundanceCellDiameterEvaluator.hpp" 00036 00037 namespace Sundance 00038 { 00039 using namespace Sundance; 00040 using namespace Sundance; 00041 00042 /** 00043 * Expression that returns a characteristic size for each cell on 00044 * which it is evaluated. 00045 */ 00046 class CellDiameterExpr 00047 : public EvaluatableExpr, 00048 public GenericEvaluatorFactory<CellDiameterExpr, CellDiameterExprEvaluator> 00049 { 00050 public: 00051 /** */ 00052 CellDiameterExpr(const std::string& name="h"); 00053 00054 /** */ 00055 virtual ~CellDiameterExpr() {;} 00056 00057 /** */ 00058 virtual XMLObject toXML() const ; 00059 00060 const std::string& name() const {return name_;} 00061 00062 /** Write a simple text description suitable 00063 * for output to a terminal */ 00064 virtual std::ostream& toText(std::ostream& os, bool paren) const ; 00065 00066 /** */ 00067 virtual Set<MultipleDeriv> 00068 internalFindW(int order, const EvalContext& context) const ; 00069 00070 /** */ 00071 virtual RCP<ExprBase> getRcp() {return rcp(this);} 00072 00073 /** Ordering operator for use in transforming exprs to standard form */ 00074 virtual bool lessThan(const ScalarExpr* other) const ; 00075 private: 00076 std::string name_; 00077 }; 00078 } 00079 00080 #endif