Rollup of 7 pull requests #55194
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Rollup of 7 pull requests #55194
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This patch adds a `copysign` function to the float primitive types. It is an exceptionally useful function for writing efficient numeric code, as it often avoids branches, is auto-vectorizable, and there are efficient intrinsics for most platforms. I think this might work as-is, as the relevant `copysign` intrinsic is already used internally for the implementation of `signum`. It's possible that an implementation might be needed in japaric/libm for portability across all platforms, in which case I'll do that also. Part of the work towards rust-lang#55107
I improved the f32 version and made a copy-paste error for f64.
Added a #[must_use] annotation on copysign, per review feedback.
Updated RELEASES.md for 1.30.0 [Rendered](https://github.com/Aaronepower/rust/blob/master/RELEASES.md) r? @Mark-Simulacrum cc @rust-lang/release
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@bors r+ p=9 |
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📌 Commit 3813db1154808a373f7a9957e4d6314dde9bcd69 has been approved by |
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⌛ Testing commit 3813db1154808a373f7a9957e4d6314dde9bcd69 with merge 539c9983dbc841dff5850e5442eb66cc94ee83ea... |
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💔 Test failed - status-appveyor |
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Fix ICE and report a human readable error fixes rust-lang#55063 r? @RalfJung
Cleanup resolve - improve/remove allocations - `truncate` instead of `pop`ping in a loop - improve common patterns
Don't warn about parentheses on `match (return)` Fixes rust-lang#55164.
Add a `copysign` function to f32 and f64 This patch adds a `copysign` function to the float primitive types. It is an exceptionally useful function for writing efficient numeric code, as it often avoids branches, is auto-vectorizable, and there are efficient intrinsics for most platforms. I think this might work as-is, as the relevant `copysign` intrinsic is already used internally for the implementation of `signum`. It's possible that an implementation might be needed in japaric/libm for portability across all platforms, in which case I'll do that also. Part of the work towards rust-lang#55107
…lexcrichton Stabilize slice::chunks_exact(), chunks_exact_mut(), rchunks(), rchunks_mut(), rchunks_exact(), rchunks_exact_mut() Fixes rust-lang#47115, rust-lang#55177
…ounds, r=nikomatsakis [NLL] Propagate bounds from generators This used to only be done for closures.
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📌 Commit 0724efd has been approved by |
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Oct 19, 2018
Rollup of 7 pull requests Successful merges: - #54300 (Updated RELEASES.md for 1.30.0) - #55013 ([NLL] Propagate bounds from generators) - #55071 (Fix ICE and report a human readable error) - #55144 (Cleanup resolve) - #55166 (Don't warn about parentheses on `match (return)`) - #55169 (Add a `copysign` function to f32 and f64) - #55178 (Stabilize slice::chunks_exact(), chunks_exact_mut(), rchunks(), rchunks_mut(), rchunks_exact(), rchunks_exact_mut())
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☀️ Test successful - status-appveyor, status-travis |
This was referenced Oct 19, 2018
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Successful merges:
match (return)#55166 (Don't warn about parentheses onmatch (return))copysignfunction to f32 and f64 #55169 (Add acopysignfunction to f32 and f64)