#ifndef around namespace GiNaC { }

[ginac.git] / ginac / utils.cpp

diff --git a/ginac/utils.cpp b/ginac/utils.cpp
index 69d4f46110dc43e5a50f717d82bb1d834334c20d..7592e4033e8ef6ae7d0eadcb1fffe10102ab7db2 100644 (file)
--- a/ginac/utils.cpp
+++ b/ginac/utils.cpp
@@ -1,7 +1,8 @@
 /** @file utils.cpp
  *
- *  Implementation of several small and furry utilities.
- *
+ *  Implementation of several small and furry utilities. */
+
+/*
  *  GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -19,6 +20,13 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#include "utils.h"
+
+#ifndef NO_GINAC_NAMESPACE
+namespace GiNaC {
+#endif // ndef NO_GINAC_NAMESPACE
+
+/** Integer binary logarithm */
 unsigned log2(unsigned n)
 {
     unsigned k;
@@ -26,6 +34,8 @@ unsigned log2(unsigned n)
     return k;
 }
 
+/** Compare two pointers (just to establish some sort of canonical order).
+ *  @return -1, 0, or 1 */
 int compare_pointers(void const * a, void const * b)
 {
     if (a<b) {
@@ -36,7 +46,8 @@ int compare_pointers(void const * a, void const * b)
     return 0;
 }
 
-// comment skeletton for header files
+
+// comment skeleton for header files
 
 
 // member functions
@@ -61,7 +72,7 @@ int compare_pointers(void const * a, void const * b)
     
 
 
-// comment skeletton for implementation files
+// comment skeleton for implementation files
 
 
 //////////
@@ -110,6 +121,6 @@ int compare_pointers(void const * a, void const * b)
 // private
 // none
 
-
-
-
+#ifndef NO_GINAC_NAMESPACE
+} // namespace GiNaC
+#endif // ndef NO_GINAC_NAMESPACE