- rotate_31() and golden_hash_ratio() moved to utils.h

[ginac.git] / ginac / expair.h

diff --git a/ginac/expair.h b/ginac/expair.h
index 3f98d4127d80e8a15a4282e07bf4e1c8d86974ae..0a9867750ade0ca86a456bbf78de604f47f83ced 100644 (file)
--- a/ginac/expair.h
+++ b/ginac/expair.h
@@ -1,5 +1,8 @@
 /** @file expair.h
  *
 /** @file expair.h
  *

+ *  Definition of expression pairs (building blocks of expairseq). */
+
+/*

  *  GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
  *  GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify


@@ -17,6 +20,14 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 

+#ifndef __GINAC_EXPAIR_H__
+#define __GINAC_EXPAIR_H__
+
+#include <ginac/ex.h>
+#include <ginac/numeric.h>
+
+namespace GiNaC {
+

 /** A pair of expressions.
  *  This similar to, but slightly extended STL's pair<> but we need to account
  *  for methods like .compare() */
 /** A pair of expressions.
  *  This similar to, but slightly extended STL's pair<> but we need to account
  *  for methods like .compare() */


@@ -186,5 +197,6 @@ public:
     }
 };
 
     }
 };
 

+} // namespace GiNaC

 
 

-           
+#endif // ndef __GINAC_EXPAIR_H__