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_EXPRFIELDWRAPPER_H 00032 #define SUNDANCE_EXPRFIELDWRAPPER_H 00033 00034 00035 #include "SundanceDefs.hpp" 00036 #include "PlayaHandleable.hpp" 00037 #include "SundanceFieldBase.hpp" 00038 #include "SundanceDiscreteFunction.hpp" 00039 #include "SundanceDiscreteSpace.hpp" 00040 #include "SundanceExpr.hpp" 00041 00042 namespace Sundance 00043 { 00044 using namespace Teuchos; 00045 00046 00047 /** 00048 * 00049 */ 00050 class ExprFieldWrapper : public FieldBase 00051 { 00052 public: 00053 /** */ 00054 ExprFieldWrapper(const Expr& expr) ; 00055 00056 /** virtual dtor */ 00057 virtual ~ExprFieldWrapper(){;} 00058 00059 /** */ 00060 virtual double getData(int cellDim, int cellID, int elem) const ; 00061 00062 /** */ 00063 virtual bool isDefined(int cellDim, int cellID, int elem) const ; 00064 00065 /** */ 00066 virtual int numElems() const {return Expr_size_;} 00067 00068 /** */ 00069 virtual bool isPointData() const {return isPointData_;} 00070 00071 /* */ 00072 GET_RCP(FieldBase); 00073 /** 00074 * Return the cell filter on which this field is defined 00075 */ 00076 virtual const CellFilter& domain() const 00077 { // here we return only the first element () 00078 return discreteSpace_.cellFilters(indices_[0][0]); 00079 } 00080 00081 public: 00082 Expr expr_; 00083 00084 // this field should be unique for all the variables 00085 const DiscreteFunctionData* df_; 00086 00087 DiscreteSpace discreteSpace_; 00088 00089 // ---- this field can be expicitly asked ----- 00090 //RCP<DOFMapBase> map_; 00091 00092 Array< Array<int> > indices_; 00093 00094 int Expr_size_; 00095 00096 bool isPointData_; 00097 }; 00098 } 00099 00100 00101 00102 #endif