unsigned precedence() const {return 55;}
bool info(unsigned inf) const;
ex eval(int level = 0) const;
+ ex real_part() const;
+ ex imag_part() const;
exvector get_free_indices() const;
protected:
ex thiscontainer(const exvector & v) const;
ex thiscontainer(std::auto_ptr<exvector> vp) const;
unsigned return_type() const;
- const basic* return_type_tinfo() const { return op(0).return_type_tinfo(); }
+ tinfo_t return_type_tinfo() const { return op(0).return_type_tinfo(); }
ex expand(unsigned options = 0) const;
// new virtual functions which can be overridden by derived classes
/** This function returns the given expression with expanded sums
* for all dummy index summations, where the dimensionality of
- * the dummy index is numeric.
+ * the dummy index is a nonnegative integer.
* Optionally all indices with a variance will be substituted by
* indices with the corresponding numeric values without variance.
*