X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fconstant.h;h=04fdc50a067c4eaf53009085118a6982215f812b;hp=89cb7ebae83576c0d1e02cf0c33666e9ddbf30ab;hb=afdd7fa8c6c0a587f7c80789198551383e8beb7b;hpb=9eab44408b9213d8909b7a9e525f404ad06064dd;ds=sidebyside

diff --git a/ginac/constant.h b/ginac/constant.h
index 89cb7eba..04fdc50a 100644
--- a/ginac/constant.h
+++ b/ginac/constant.h
@@ -26,7 +26,9 @@
 #include <string>
 #include <ginac/basic.h>
 
+#ifndef NO_GINAC_NAMESPACE
 namespace GiNaC {
+#endif // ndef NO_GINAC_NAMESPACE
 
 /** This class holds constants, symbols with specific numerical value. Each
  *  object of this class must either provide their own function to evaluate it
@@ -90,6 +92,8 @@ extern const constant Pi;
 extern const constant Catalan;
 extern const constant EulerGamma;
 
+#ifndef NO_GINAC_NAMESPACE
 } // namespace GiNaC
+#endif // ndef NO_GINAC_NAMESPACE
 
 #endif // ndef __GINAC_CONSTANT_H__