ex simplify_ncmul(const exvector & v) const;
protected:
bool match_same_type(const basic & other) const;
unsigned return_type(void) const;
unsigned return_type_tinfo(void) const;
ex simplify_ncmul(const exvector & v) const;
protected:
bool match_same_type(const basic & other) const;
unsigned return_type(void) const;
unsigned return_type_tinfo(void) const;