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| author | Jason Toffaletti <jason@topsy.com> | 2013-10-08 08:09:13 -0700 |
|---|---|---|
| committer | Brian Anderson <banderson@mozilla.com> | 2013-10-25 18:27:46 -0700 |
| commit | 5e91ac10b65a4c20915868d3af3c06f1d3d3cada (patch) | |
| tree | 2e0dde81c2dd3f81307e4f501dfcdc1ee8fdb27b /src/libstd | |
| parent | 8c95f558d0f3acb5ea301acb631d0d616d61c7b6 (diff) | |
| download | rust-5e91ac10b65a4c20915868d3af3c06f1d3d3cada.tar.gz rust-5e91ac10b65a4c20915868d3af3c06f1d3d3cada.zip | |
minor
Diffstat (limited to 'src/libstd')
| -rw-r--r-- | src/libstd/rt/mpmc_bounded_queue.rs | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/libstd/rt/mpmc_bounded_queue.rs b/src/libstd/rt/mpmc_bounded_queue.rs index c0c7d281136..ea5d1050c18 100644 --- a/src/libstd/rt/mpmc_bounded_queue.rs +++ b/src/libstd/rt/mpmc_bounded_queue.rs @@ -57,8 +57,12 @@ struct Queue<T> { impl<T: Send> State<T> { fn with_capacity(capacity: uint) -> State<T> { let capacity = if capacity < 2 || (capacity & (capacity - 1)) != 0 { - // use next power of 2 as capacity - 2f64.pow(&((capacity as f64).log2().floor()+1f64)) as uint + if capacity < 2 { + 2u + } else { + // use next power of 2 as capacity + 2f64.pow(&((capacity as f64).log2().ceil())) as uint + } } else { capacity }; |