X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Findexed.h;h=3c8951a1ee4b4af48a7108d01998fb59083cff27;hp=0da2c421233385482ef4116c449d09b54245582d;hb=b65fcd7481a401ec23c284c91f6f4e883e967676;hpb=22d004fe5759658a8232736e40b49202987e9407

diff --git a/ginac/indexed.h b/ginac/indexed.h
index 0da2c421..3c8951a1 100644
--- a/ginac/indexed.h
+++ b/ginac/indexed.h
@@ -3,7 +3,7 @@
  *  Interface to GiNaC's indexed expressions. */
 
 /*
- *  GiNaC Copyright (C) 1999-2005 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2008 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
@@ -147,6 +147,8 @@ public:
 	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:
@@ -154,7 +156,7 @@ protected:
 	ex thiscontainer(const exvector & v) const;
 	ex thiscontainer(std::auto_ptr<exvector> vp) const;
 	unsigned return_type() const;
-	unsigned 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
@@ -245,12 +247,6 @@ protected:
 
 // utility functions
 
-/** Specialization of is_exactly_a<indexed>(obj) for indexed objects. */
-template<> inline bool is_exactly_a<indexed>(const basic & obj)
-{
-	return obj.tinfo()==TINFO_indexed;
-}
-
 /** Returns all dummy indices from the expression */
 exvector get_all_dummy_indices(const ex & e);
 
@@ -274,7 +270,7 @@ lst rename_dummy_indices_uniquely(const exvector & va, const exvector & vb);
 
 /** 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.
  *