| Shih-wei Liao | ea28516 | 2010-06-04 12:34:56 -0700 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -Wfloat-equal -verify %s |
| 2 | |
| 3 | int f1(float x, float y) { |
| 4 | return x == y; // expected-warning {{comparing floating point with ==}} |
| 5 | } |
| 6 | |
| 7 | int f2(float x, float y) { |
| 8 | return x != y; // expected-warning {{comparing floating point with ==}} |
| 9 | } |
| 10 | |
| 11 | int f3(float x) { |
| 12 | return x == x; // no-warning |
| 13 | } |
| 14 | |
| 15 | int f4(float x) { |
| 16 | return x == 0.0; // no-warning {{comparing}} |
| 17 | } |
| 18 | |
| 19 | int f5(float x) { |
| 20 | return x == __builtin_inf(); // no-warning |
| 21 | } |
| 22 | |
| 23 | int f7(float x) { |
| 24 | return x == 3.14159; // expected-warning {{comparing}} |
| 25 | } |