* Interface to sequences of expression pairs. */
/*
- * GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2002 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
#define EXPAIRSEQ_USE_HASHTAB 0
typedef std::vector<expair> epvector; ///< expair-vector
-typedef epvector::iterator epviter; ///< expair-vector iterator
typedef epvector::iterator epp; ///< expair-vector pointer
typedef std::list<epp> epplist; ///< list of expair-vector pointers
typedef std::vector<epplist> epplistvector; ///< vector of epplist
// member functions
- // default ctor, dtor, copy ctor assignment operator and helpers
+ // default ctor, dtor, copy ctor, assignment operator and helpers
public:
expairseq() : basic(TINFO_expairseq)
#if EXPAIRSEQ_USE_HASHTAB
expairseq(const epvector & v, const ex & oc);
expairseq(epvector * vp, const ex & oc); // vp will be deleted
- // functions overriding virtual functions from bases classes
+ // functions overriding virtual functions from base classes
public:
basic * duplicate() const;
void print(const print_context & c, unsigned level = 0) const;
ex & let_op(int i);
ex map(map_function & f) const;
ex eval(int level=0) const;
- ex evalf(int level=0) const;
- ex normal(lst &sym_lst, lst &repl_lst, int level=0) const;
ex to_rational(lst &repl_lst) const;
bool match(const ex & pattern, lst & repl_lst) const;
ex subs(const lst & ls, const lst & lr, bool no_pattern = false) const;
protected:
- ex derivative(const symbol & s) const;
int compare_same_type(const basic & other) const;
bool is_equal_same_type(const basic & other) const;
unsigned return_type(void) const;
void remove_hashtab_entry(epvector::const_iterator element);
void move_hashtab_entry(epvector::const_iterator oldpos,
epvector::iterator newpos);
- void sorted_insert(epplist & eppl, epp elem);
+ void sorted_insert(epplist & eppl, epvector::const_iterator elem);
void build_hashtab_and_combine(epvector::iterator & first_numeric,
epvector::iterator & last_non_zero,
vector<bool> & touched,
bool is_canonical() const;
epvector * expandchildren(unsigned options) const;
epvector * evalchildren(int level) const;
- epvector evalfchildren(int level) const;
- epvector normalchildren(int level) const;
- epvector diffchildren(const symbol & s) const;
epvector * subschildren(const lst & ls, const lst & lr, bool no_pattern = false) const;
// member variables
};
// utility functions
-inline const expairseq &ex_to_expairseq(const ex &e)
+
+/** Specialization of is_exactly_a<expairseq>(obj) for expairseq objects. */
+template<> inline bool is_exactly_a<expairseq>(const basic & obj)
{
- return static_cast<const expairseq &>(*e.bp);
+ return obj.tinfo()==TINFO_expairseq;
}
} // namespace GiNaC