#ifndef around namespace GiNaC { }

[ginac.git] / ginac / utils.cpp

diff --git a/ginac/utils.cpp b/ginac/utils.cpp
index 446377b219ecbd7c4d7d6c6b14ff3f0af82cf552..7592e4033e8ef6ae7d0eadcb1fffe10102ab7db2 100644 (file)
--- a/ginac/utils.cpp
+++ b/ginac/utils.cpp
@@ -22,8 +22,11 @@
 
 #include "utils.h"
 
+#ifndef NO_GINAC_NAMESPACE
 namespace GiNaC {
+#endif // ndef NO_GINAC_NAMESPACE
 
+/** Integer binary logarithm */
 unsigned log2(unsigned n)
 {
     unsigned k;
@@ -31,6 +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) {
@@ -41,7 +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
@@ -66,7 +72,7 @@ int compare_pointers(void const * a, void const * b)
     
 
 
-// comment skeletton for implementation files
+// comment skeleton for implementation files
 
 
 //////////
@@ -115,4 +121,6 @@ int compare_pointers(void const * a, void const * b)
 // private
 // none
 
+#ifndef NO_GINAC_NAMESPACE
 } // namespace GiNaC
+#endif // ndef NO_GINAC_NAMESPACE