X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=check%2Fmatrix_checks.cpp;h=3da30af85fcf3870c532e601af2ff3d284d44267;hp=80d8bf95a718d9f2d9b961bb82d8e3c1fd638a0e;hb=afdd7fa8c6c0a587f7c80789198551383e8beb7b;hpb=48b41ea321ed9fa6115a1061d1a1d2f8d8ad0400

diff --git a/check/matrix_checks.cpp b/check/matrix_checks.cpp
index 80d8bf95..3da30af8 100644
--- a/check/matrix_checks.cpp
+++ b/check/matrix_checks.cpp
@@ -22,7 +22,10 @@
 
 #include <stdexcept>
 #include <ginac/ginac.h>
+
+#ifndef NO_GINAC_NAMESPACE
 using namespace GiNaC;
+#endif // ndef NO_GINAC_NAMESPACE
 
 static unsigned matrix_determinants(void)
 {