* Interface to GiNaC's products of expressions. */
/*
- * GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2003 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
mul(epvector * vp, const ex & oc);
mul(const ex & lh, const ex & mh, const ex & rh);
- // functions overriding virtual functions from bases classes
+ // functions overriding virtual functions from base classes
public:
- void print(std::ostream & os, unsigned upper_precedence) const;
- void printraw(std::ostream & os) const;
- void printcsrc(std::ostream & os, unsigned type, unsigned upper_precedence) const;
+ void print(const print_context & c, unsigned level = 0) const;
+ unsigned precedence(void) const {return 50;}
bool info(unsigned inf) const;
- int degree(const symbol & s) const;
- int ldegree(const symbol & s) const;
- ex coeff(const symbol & s, int n = 1) const;
+ int degree(const ex & s) const;
+ int ldegree(const ex & s) const;
+ ex coeff(const ex & s, int n = 1) const;
ex eval(int level=0) const;
ex evalf(int level=0) const;
+ ex evalm(void) const;
ex series(const relational & s, int order, unsigned options = 0) const;
ex normal(lst &sym_lst, lst &repl_lst, int level = 0) const;
numeric integer_content(void) const;
ex thisexpairseq(const epvector & v, const ex & oc) const;
ex thisexpairseq(epvector * vp, const ex & oc) const;
expair split_ex_to_pair(const ex & e) const;
- expair combine_ex_with_coeff_to_pair(const ex & e,
- const ex & c) const;
- expair combine_pair_with_coeff_to_pair(const expair & p,
- const ex & c) const;
+ expair combine_ex_with_coeff_to_pair(const ex & e, const ex & c) const;
+ expair combine_pair_with_coeff_to_pair(const expair & p, const ex & c) const;
ex recombine_pair_to_ex(const expair & p) const;
bool expair_needs_further_processing(epp it);
ex default_overall_coeff(void) const;
// non-virtual functions in this class
protected:
epvector * expandchildren(unsigned options) const;
-
-// member variables
-
-protected:
- static unsigned precedence;
};
// utility functions
-inline const mul &ex_to_mul(const ex &e)
+
+/** Specialization of is_exactly_a<mul>(obj) for mul objects. */
+template<> inline bool is_exactly_a<mul>(const basic & obj)
{
- return static_cast<const mul &>(*e.bp);
+ return obj.tinfo()==TINFO_mul;
}
} // namespace GiNaC