ncmul(const exvector & v, bool discardable=false);
ncmul(exvector * vp); // vp will be deleted
- // 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 = 0) 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;
+ int degree(const ex & s) const;
+ int ldegree(const ex & s) const;
ex expand(unsigned options=0) const;
- ex coeff(const symbol & s, int n=1) const;
+ ex coeff(const ex & s, int n=1) const;
ex eval(int level=0) const;
- ex subs(const lst & ls, const lst & lr) const;
- exvector get_indices(void) const;
+ ex evalm(void) const;
+ exvector get_free_indices(void) const;
ex thisexprseq(const exvector & v) const;
ex thisexprseq(exvector * vp) const;
protected:
exvector expandchildren(unsigned options) const;
public:
const exvector & get_factors(void) const;
-
-// member variables
-
-protected:
- static unsigned precedence;
};
// friend funtions
ex simplified_ncmul(const exvector & v);
// utility functions
-inline const ncmul &ex_to_ncmul(const ex &e)
+
+/** Specialization of is_exactly_a<ncmul>(obj) for ncmul objects. */
+template<> inline bool is_exactly_a<ncmul>(const basic & obj)
{
- return static_cast <const ncmul &>(*e.bp);
+ return obj.tinfo()==TINFO_ncmul;
}
} // namespace GiNaC