// #define LOGMASK (LOGLEVEL_PRINT | LOGLEVEL_ASSIGNMENT | LOGLEVEL_OPERATOR | LOGLEVEL_DUPLICATE | LOGLEVEL_OPERATOR | LOGLEVEL_MEMBER_FUNCTION | LOGLEVEL_NONMEMBER_FUNCTION)
#ifdef VERBOSE
-#define debugmsg(msg, loglevel) if ((loglevel) & ~LOGMASK) clog << (msg) << endl;
+#define debugmsg(msg, loglevel) if ((loglevel) & ~LOGMASK) std::clog << (msg) << endl;
#else
#define debugmsg(msg, loglevel)
#endif // def VERBOSE