- added symmetrize() and antisymmetrize() functions

[ginac.git] / ginac / indexed.h

diff --git a/ginac/indexed.h b/ginac/indexed.h
index 9f6af5fd1dd1001846da0ae5c3c322b584f6802e..fd85b8db25cfa055805e78a2547d63b40229b273 100644 (file)
--- a/ginac/indexed.h
+++ b/ginac/indexed.h
@@ -263,6 +263,11 @@ ex simplify_indexed(const ex & e);
  *  @return simplified expression */
 ex simplify_indexed(const ex & e, const scalar_products & sp);
 
+/** Symmetrize expression over its free indices. */
+ex symmetrize(const ex & e);
+
+/** Antisymmetrize expression over its free indices. */
+ex antisymmetrize(const ex & e);
 
 } // namespace GiNaC