Transform abs(x)^n => x^n if x is real and n is even.

[ginac.git] / ginac / hash_map.h

diff --git a/ginac/hash_map.h b/ginac/hash_map.h
index a8e497e1e0e6fdb6655bb070bbf64f6ae1a97bed..5e9895ae387dd9861cbe34905cc123b7c5f32fa2 100644 (file)
--- a/ginac/hash_map.h
+++ b/ginac/hash_map.h
@@ -3,7 +3,7 @@
  *  Replacement for map<> using hash tables. */
 
 /*
- *  GiNaC Copyright (C) 1999-2007 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2011 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
@@ -20,16 +20,15 @@
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#ifndef __GINAC_HASH_MAP_H__
-#define __GINAC_HASH_MAP_H__
+#ifndef GINAC_HASH_MAP_H
+#define GINAC_HASH_MAP_H
 
-#include <list>
-#include <iterator>
 #include <algorithm>
 #include <functional>
+#include <iterator>
+#include <list>
 #include <utility>
 
-
 namespace GiNaC {
 
 /*
@@ -594,4 +593,4 @@ inline void swap(GiNaC::exhashmap<T, A> &lhs, GiNaC::exhashmap<T, A> &rhs)
 
 } // namespace std
 
-#endif // ndef __GINAC_HASH_MAP_H__
+#endif // ndef GINAC_HASH_MAP_H