* Interface to GiNaC's symbolic objects. */
/*
- * GiNaC Copyright (C) 1999-2014 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2024 Johannes Gutenberg University Mainz, Germany
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
// functions overriding virtual functions from base classes
public:
- bool info(unsigned inf) const;
- ex eval(int level = 0) const { return *this; } // for performance reasons
- ex evalf(int level = 0) const { return *this; } // overwrites basic::evalf() for performance reasons
- ex series(const relational & s, int order, unsigned options = 0) const;
- ex subs(const exmap & m, unsigned options = 0) const { return subs_one_level(m, options); } // overwrites basic::subs() for performance reasons
- ex normal(exmap & repl, exmap & rev_lookup, int level = 0) const;
- ex to_rational(exmap & repl) const;
- ex to_polynomial(exmap & repl) const;
- ex conjugate() const;
- ex real_part() const;
- ex imag_part() const;
- bool is_polynomial(const ex & var) const;
+ bool info(unsigned inf) const override;
+ ex eval() const override { return *this; } // for performance reasons
+ ex evalf() const override { return *this; } // overwrites basic::evalf() for performance reasons
+ ex series(const relational & s, int order, unsigned options = 0) const override;
+ ex subs(const exmap & m, unsigned options = 0) const override { return subs_one_level(m, options); } // overwrites basic::subs() for performance reasons
+ ex normal(exmap & repl, exmap & rev_lookup, lst & modifier) const override;
+ ex to_rational(exmap & repl) const override;
+ ex to_polynomial(exmap & repl) const override;
+ ex conjugate() const override;
+ ex real_part() const override;
+ ex imag_part() const override;
+ bool is_polynomial(const ex & var) const override;
/** Save (a.k.a. serialize) object into archive. */
- void archive(archive_node& n) const;
+ void archive(archive_node& n) const override;
/** Read (a.k.a. deserialize) object from archive. */
- void read_archive(const archive_node& n, lst& syms);
+ void read_archive(const archive_node& n, lst& syms) override;
protected:
- ex derivative(const symbol & s) const;
- bool is_equal_same_type(const basic & other) const;
- unsigned calchash() const;
+ ex derivative(const symbol & s) const override;
+ bool is_equal_same_type(const basic & other) const override;
+ unsigned calchash() const override;
+
+ // new virtual functions which can be overridden by derived classes
+public:
+ virtual unsigned get_domain() const { return domain::complex; }
// non-virtual functions in this class
public:
void set_name(const std::string & n) { name = n; }
void set_TeX_name(const std::string & n) { TeX_name = n; }
std::string get_name() const;
- virtual unsigned get_domain() const { return domain::complex; }
+ std::string get_TeX_name() const;
protected:
void do_print(const print_context & c, unsigned level) const;
void do_print_latex(const print_latex & c, unsigned level) const;
explicit realsymbol(const std::string & initname);
realsymbol(const std::string & initname, const std::string & texname);
- unsigned get_domain() const { return domain::real; }
+ unsigned get_domain() const override { return domain::real; }
- ex conjugate() const { return *this; }
- ex real_part() const { return *this; }
- ex imag_part() const { return 0; }
+ ex conjugate() const override { return *this; }
+ ex real_part() const override { return *this; }
+ ex imag_part() const override { return 0; }
- realsymbol* duplicate() const { return new realsymbol(*this); }
+ realsymbol* duplicate() const override
+ {
+ realsymbol * bp = new realsymbol(*this);
+ bp->setflag(status_flags::dynallocated);
+ return bp;
+ }
};
GINAC_DECLARE_UNARCHIVER(realsymbol);
explicit possymbol(const std::string & initname);
possymbol(const std::string & initname, const std::string & texname);
- unsigned get_domain() const { return domain::positive; }
+ unsigned get_domain() const override { return domain::positive; }
- possymbol* duplicate() const { return new possymbol(*this); }
+ possymbol* duplicate() const override
+ {
+ possymbol * bp = new possymbol(*this);
+ bp->setflag(status_flags::dynallocated);
+ return bp;
+ }
};
GINAC_DECLARE_UNARCHIVER(possymbol);