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| author | Jubilee Young <workingjubilee@gmail.com> | 2020-10-31 13:16:14 -0700 |
|---|---|---|
| committer | Jubilee Young <workingjubilee@gmail.com> | 2021-03-22 17:02:09 -0700 |
| commit | 74db93ed2d0677bbca8ba85617f05eae745363d8 (patch) | |
| tree | 75be2048eef663446a8c6b32264c4a59c9e9f1d2 /library/alloc | |
| parent | 588cc644ad6d6d6419dcd48651ae451557cdc100 (diff) | |
| download | rust-74db93ed2d0677bbca8ba85617f05eae745363d8.tar.gz rust-74db93ed2d0677bbca8ba85617f05eae745363d8.zip | |
Preserve signed zero on roundtrip
This commit removes the previous mechanism of differentiating between "Debug" and "Display" formattings for the sign of -0 so as to comply with the IEEE 754 standard's requirements on external character sequences preserving various attributes of a floating point representation. In addition, numerous tests are fixed.
Diffstat (limited to 'library/alloc')
| -rw-r--r-- | library/alloc/tests/fmt.rs | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/library/alloc/tests/fmt.rs b/library/alloc/tests/fmt.rs index 757fddd2418..ade3bc2d334 100644 --- a/library/alloc/tests/fmt.rs +++ b/library/alloc/tests/fmt.rs @@ -154,8 +154,7 @@ fn test_format_macro_interface() { t!(format!("{:+10.3e}", -1.2345e6f64), " -1.234e6"); // Float edge cases - t!(format!("{}", -0.0), "0"); - t!(format!("{:?}", -0.0), "-0.0"); + t!(format!("{}", -0.0), "-0"); t!(format!("{:?}", 0.0), "0.0"); // sign aware zero padding |