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_UNARYMINUS_H 00032 #define SUNDANCE_UNARYMINUS_H 00033 00034 #include "SundanceDefs.hpp" 00035 #include "SundanceUnaryExpr.hpp" 00036 #include "SundanceUnaryMinusEvaluator.hpp" 00037 00038 00039 namespace Sundance 00040 { 00041 using namespace Sundance; 00042 using namespace Teuchos; 00043 00044 00045 /** */ 00046 class UnaryMinus : public UnaryExpr, 00047 GenericEvaluatorFactory<UnaryMinus, UnaryMinusEvaluator> 00048 { 00049 public: 00050 /** construct with the argument */ 00051 UnaryMinus(const RCP<ScalarExpr>& arg); 00052 00053 /** virtual dtor */ 00054 virtual ~UnaryMinus() {;} 00055 00056 00057 /** */ 00058 virtual std::ostream& toText(std::ostream& os, bool paren) const ; 00059 00060 /** */ 00061 virtual XMLObject toXML() const ; 00062 00063 /** */ 00064 virtual bool isLinear() const {return true;} 00065 00066 /** 00067 * Indicate whether the expression is linear 00068 * with respect to test functions 00069 */ 00070 virtual bool isLinearInTests() const 00071 {return evaluatableArg()->isLinearInTests();} 00072 00073 00074 /** Indicate whether the expression is linear in the given 00075 * functions */ 00076 virtual bool isLinearForm(const Expr& u) const 00077 { 00078 return evaluatableArg()->isLinearForm(u); 00079 } 00080 00081 /** Indicate whether the expression is at most 00082 * quadratic in the given functions */ 00083 virtual bool isQuadraticForm(const Expr& u) const 00084 { 00085 return evaluatableArg()->isQuadraticForm(u); 00086 } 00087 00088 /** */ 00089 virtual Set<MultiSet<int> > internalFindQ_W(int order, 00090 const EvalContext& context) const ; 00091 00092 /** */ 00093 virtual RCP<ExprBase> getRcp() {return rcp(this);} 00094 00095 }; 00096 } 00097 00098 #endif