More evaluation rules: abs(x^n) => abs(x)^n (x > 0, n is real).

[ginac.git] / ginac / tostring.h

diff --git a/ginac/tostring.h b/ginac/tostring.h
index 5ef9d94d47b69c5e0c1807c272cae6dd0d65adc5..a24732f99268a2d90018ea82a11b6480ee3c1e56 100644 (file)
--- a/ginac/tostring.h
+++ b/ginac/tostring.h
@@ -4,7 +4,7 @@
  *  internal header file. */
 
 /*
- *  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
@@ -21,8 +21,8 @@
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#ifndef __GINAC_TOSTRING_H__
-#define __GINAC_TOSTRING_H__
+#ifndef GINAC_TOSTRING_H
+#define GINAC_TOSTRING_H
 
 #include <sstream>
 
@@ -38,4 +38,4 @@ std::string ToString(const T & t)
 
 } // namespace GiNaC
 
-#endif // ndef __GINAC_TOSTRING_H__
+#endif // ndef GINAC_TOSTRING_H