X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fnumeric.cpp;h=795c76099172dba5d5284fd6fc08c4183428fc3d;hp=f05763da1fe9d4ef231b6cbd88cd5018706ac5ff;hb=0289100f425e420da988a709cd52616b6d69d348;hpb=286b0d93528e35957a50c51343e0b4a9bc623bce

diff --git a/ginac/numeric.cpp b/ginac/numeric.cpp
index f05763da..795c7609 100644
--- a/ginac/numeric.cpp
+++ b/ginac/numeric.cpp
@@ -24,7 +24,9 @@
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
 
 #include "numeric.h"
 #include "ex.h"
@@ -700,7 +702,7 @@ bool numeric::info(unsigned inf) const
 		case info_flags::negative:
 			return is_negative();
 		case info_flags::nonnegative:
-			return !is_negative();
+			return is_zero() || is_positive();
 		case info_flags::posint:
 			return is_pos_integer();
 		case info_flags::negint: