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_DERIVOFSYMBFUNC_H 00032 #define SUNDANCE_DERIVOFSYMBFUNC_H 00033 00034 #include "SundanceDefs.hpp" 00035 #include "SundanceFunctionIdentifier.hpp" 00036 #include "SundanceDiffOp.hpp" 00037 #include "SundanceDerivOfSymbFuncEvaluator.hpp" 00038 00039 00040 namespace Sundance 00041 { 00042 using namespace Sundance; 00043 using namespace Teuchos; 00044 00045 00046 00047 00048 /** 00049 * Specialization of DiffOp to the case where the argument is a 00050 * symbolic function, allowing optimized evaluation. 00051 */ 00052 class DerivOfSymbFunc : public DiffOp 00053 { 00054 public: 00055 /** ctor */ 00056 DerivOfSymbFunc(const MultiIndex& op, 00057 const RCP<ScalarExpr>& arg); 00058 00059 /** virtual destructor */ 00060 virtual ~DerivOfSymbFunc() {;} 00061 00062 /** */ 00063 const FunctionIdentifier& argFid() const {return argFid_;} 00064 00065 /** */ 00066 virtual RCP<ExprBase> getRcp() {return rcp(this);} 00067 00068 /** */ 00069 virtual Evaluator* createEvaluator(const EvaluatableExpr* expr, 00070 const EvalContext& context) const ; 00071 00072 /** */ 00073 Deriv representMeAsFunctionalDeriv() const ; 00074 00075 /** Ordering operator for use in transforming exprs to standard form */ 00076 virtual bool lessThan(const ScalarExpr* other) const ; 00077 00078 00079 private: 00080 FunctionIdentifier argFid_; 00081 }; 00082 } 00083 00084 #endif