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00001 #ifndef FUNCEXPRBASE_H 00002 #define FUNCEXPRBASE_H 00003 00004 #include "SundanceDefs.h" 00005 00006 #include "Expr.h" 00007 #include "MultiIndex.h" 00008 00009 00010 namespace Sundance 00011 { 00012 00013 using namespace TSF; 00014 using std::string; 00015 00016 using std::ostream; 00017 00018 /** \ingroup LowLevelSymbolics 00019 * Base class for expression objects that are functions 00020 */ 00021 00022 class FuncExprBase : public ExprBase 00023 { 00024 public: 00025 /** \name Developer-only methods */ 00026 //@{ 00027 /** no detailed doc available */ 00028 FuncExprBase(const string& name); 00029 /** */ 00030 virtual ~FuncExprBase(){;} 00031 00032 // ordering 00033 /** */ 00034 virtual bool operator==(const Expr& other) const = 0 ; 00035 /** */ 00036 virtual bool operator<(const Expr& other) const = 0 ; 00037 /** */ 00038 virtual int sortPriority() const {return FUNCEXPRBASE;} 00039 00040 // misc 00041 /** */ 00042 virtual ExprBase* clone() const = 0 ; 00043 /** */ 00044 virtual void print(ostream& os, bool paren=false) const = 0 ; 00045 00046 00047 /** */ 00048 virtual const string& name() const {return name_;} 00049 00050 // function ID number 00051 /** */ 00052 virtual int funcID() const {return funcID_;} 00053 //@} 00054 protected: 00055 static int topID_; 00056 string name_; 00057 int funcID_; 00058 }; 00059 00060 } 00061 #endif