#! ./run_exams --silent int result = 0; /* * Old Cint versions messed up unary and binary operators: */ { symbol x; ex a = x-x; if (!a.is_zero()) { ++result; } } /* * Some problems with objects of class relational when cast to bool: */ { symbol x; ex a = x; if (bool(a != a)) { ++result; } } exit(result);