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| author | Dylan DPC <99973273+Dylan-DPC@users.noreply.github.com> | 2022-05-23 15:11:02 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-05-23 15:11:02 +0200 |
| commit | 98a8035bedd2c660912d1e6ecfe86c895e588feb (patch) | |
| tree | f126f37017f2bc9adf59edfda8d0dc35a73413f5 /compiler/rustc_mir_transform/src/coverage/tests.rs | |
| parent | 32c8c5df06c025441ad04791d7982d65c79a60e4 (diff) | |
| parent | 16c81fa9a6b0e5b56320baa7ca569e024425344e (diff) | |
| download | rust-98a8035bedd2c660912d1e6ecfe86c895e588feb.tar.gz rust-98a8035bedd2c660912d1e6ecfe86c895e588feb.zip | |
Rollup merge of #96129 - mattheww:2022-04_float_rounding, r=Dylan-DPC
Document rounding for floating-point primitive operations and string parsing The docs for floating point don't have much to say at present about either the precision of their results or rounding behaviour. As I understand it[^1][^2], Rust doesn't support operating with non-default rounding directions, so we need only describe roundTiesToEven. [^1]: https://github.com/rust-lang/rust/issues/41753#issuecomment-299322887 [^2]: https://github.com/llvm/llvm-project/issues/8472#issuecomment-980888781 This PR makes a start by documenting that for primitive operations and `from_str()`.
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