#include <ginac/basic.h>
+namespace GiNaC {
+
class fail : public basic
{
// member functions
extern const fail some_fail;
extern type_info const & typeid_fail;
-#endif // ndef __GINAC_FAIL_H__
-
+} // namespace GiNaC
+#endif // ndef __GINAC_FAIL_H__