move rotate_left() function away from the public header.

[ginac.git] / ginac / ex.h

diff --git a/ginac/ex.h b/ginac/ex.h
index 3070b7ada020d68c917907b77434315b8992c12e..336bb14f1c1c51640988515e3c7a647d90b9ffdf 100644 (file)
--- a/ginac/ex.h
+++ b/ginac/ex.h
@@ -3,7 +3,7 @@
  *  Interface to GiNaC's light-weight expression handles. */
 
 /*
- *  GiNaC Copyright (C) 1999-2006 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2007 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
@@ -52,13 +52,6 @@ private:
 /** For construction of flyweights, etc. */
 static library_init library_initializer;
 
-/** Rotate bits of unsigned value by one bit to the left.
-  * This can be necesary if the user wants to define its own hashes. */
-inline unsigned rotate_left(unsigned n)
-{
-       return (n & 0x80000000U) ? (n << 1 | 0x00000001U) : (n << 1);
-}
-
 class scalar_products;
 class const_iterator;
 class const_preorder_iterator;