17 enum {zero, non_zero, inf, NaN, non_zero_nan};  enumerator
25         return inf;  in classify()
69         case inf:  in test__multc3()
96         case inf:  in test__multc3()
97             if (classify(r) != inf)  in test__multc3()
110     case inf:  in test__multc3()
118             if (classify(r) != inf)  in test__multc3()
121         case inf:  in test__multc3()
122             if (classify(r) != inf)  in test__multc3()
130             if (classify(r) != inf)  in test__multc3()
146         case inf:  in test__multc3()
171         case inf:  in test__multc3()
172             if (classify(r) != inf)  in test__multc3()