* Definition of expression pairs (building blocks of expairseq). */
/*
- * GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2005 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
{
public:
expair() : rest(0), coeff(1) { }
- ~expair() { }
- expair(const expair & other) : rest(other.rest), coeff(other.coeff)
- {
- GINAC_ASSERT(is_exactly_a<numeric>(coeff));
- }
- const expair & operator=(const expair & other)
- {
- if (this != &other) {
- rest = other.rest;
- coeff = other.coeff;
- }
- return *this;
- }
-
+
/** Construct an expair from two ex. */
expair(const ex & r, const ex & c) : rest(r), coeff(c)
{
void print(std::ostream & os) const;
/** True if this is of the form (numeric,ex(1)). */
- bool is_canonical_numeric(void) const
+ bool is_canonical_numeric() const
{
GINAC_ASSERT(is_exactly_a<numeric>(coeff));
return (is_exactly_a<numeric>(rest) && (coeff.is_equal(1)));
rest.swap(other.rest);
coeff.swap(other.coeff);
}
-
+
+ const expair conjugate() const;
+
ex rest; ///< first member of pair, an arbitrary expression
ex coeff; ///< second member of pair, must be numeric
};