Added .is_polynomial() method.

[ginac.git] / ginac / symbol.h

diff --git a/ginac/symbol.h b/ginac/symbol.h
index e13341f021052aaf0875ed67d7535ba15656dc61..b7c17a8000ecd3eff0b271eae6a3b1ce60bac524 100644 (file)
--- a/ginac/symbol.h
+++ b/ginac/symbol.h
@@ -57,9 +57,10 @@ class symbol : public basic
        // other constructors
 public:
        explicit symbol(const std::string & initname, unsigned domain = domain::complex);
-       symbol(const std::string & initname, unsigned rt, unsigned domain);
        symbol(const std::string & initname, const std::string & texname, unsigned domain = domain::complex);
        symbol(const std::string & initname, const std::string & texname, unsigned rt, unsigned domain);
+       symbol(const std::string & initname, unsigned rt, tinfo_t rtt, unsigned domain = domain::complex);
+       symbol(const std::string & initname, const std::string & texname, unsigned rt, tinfo_t rtt, unsigned domain = domain::complex);
        
        // functions overriding virtual functions from base classes
 public:
@@ -72,7 +73,9 @@ public:
        ex to_rational(exmap & repl) const;
        ex to_polynomial(exmap & repl) const;
        unsigned return_type() const { return ret_type; }
+       tinfo_t return_type_tinfo() const { return ret_type_tinfo; }
        ex conjugate() const;
+       bool is_polynomial(const ex & var) const;
 protected:
        ex derivative(const symbol & s) const;
        bool is_equal_same_type(const basic & other) const;
@@ -103,6 +106,7 @@ protected:
        std::string TeX_name;            ///< LaTeX name of this symbol
        unsigned domain;                 ///< domain of symbol, complex (default) or real
        unsigned ret_type;               ///< value returned by return_type()
+       tinfo_t ret_type_tinfo;         ///< value returned by return_type_tinfo()
 private:
        static unsigned next_serial;
 };
@@ -116,8 +120,8 @@ public:
        realsymbol();
        explicit realsymbol(const std::string & initname, unsigned domain = domain::real);
        realsymbol(const std::string & initname, const std::string & texname, unsigned domain = domain::real);
-       realsymbol(const std::string & initname, unsigned rt, unsigned domain = domain::real);
-       realsymbol(const std::string & initname, const std::string & texname, unsigned rt, unsigned domain = domain::real);
+       realsymbol(const std::string & initname, unsigned rt, tinfo_t rtt, unsigned domain = domain::real);
+       realsymbol(const std::string & initname, const std::string & texname, unsigned rt, tinfo_t rtt, unsigned domain = domain::real);
 };