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| author | Huon Wilson <dbau.pp+github@gmail.com> | 2014-02-21 23:56:09 +1100 |
|---|---|---|
| committer | Huon Wilson <dbau.pp+github@gmail.com> | 2014-02-24 01:15:39 +1100 |
| commit | 9e8d5aa29e40066b9c247ef252b58c2092ecdfae (patch) | |
| tree | c60800bafd66f03ddaf6a70370e23158e40fc7ac /src/libstd/num/f64.rs | |
| parent | 4cc723dc22e5ebcbac4dc431a82ea75bc9ae6017 (diff) | |
| download | rust-9e8d5aa29e40066b9c247ef252b58c2092ecdfae.tar.gz rust-9e8d5aa29e40066b9c247ef252b58c2092ecdfae.zip | |
arena,std,serialize: remove some unnecessary transmutes.
`as`-able transmutes, duplication and manual slice decomposition are silly.
Diffstat (limited to 'src/libstd/num/f64.rs')
| -rw-r--r-- | src/libstd/num/f64.rs | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/libstd/num/f64.rs b/src/libstd/num/f64.rs index d5a571cdd23..7f6f02492ab 100644 --- a/src/libstd/num/f64.rs +++ b/src/libstd/num/f64.rs @@ -353,10 +353,8 @@ impl Float for f64 { static EXP_MASK: u64 = 0x7ff0000000000000; static MAN_MASK: u64 = 0x000fffffffffffff; - match ( - unsafe { ::cast::transmute::<f64,u64>(*self) } & MAN_MASK, - unsafe { ::cast::transmute::<f64,u64>(*self) } & EXP_MASK, - ) { + let bits: u64 = unsafe {::cast::transmute(*self)}; + match (bits & MAN_MASK, bits & EXP_MASK) { (0, 0) => FPZero, (_, 0) => FPSubnormal, (0, EXP_MASK) => FPInfinite, |