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fix shift_round overflow error

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Matt Huszagh 2021-01-14 14:41:51 -08:00
parent d1aa2f04c4
commit 9f0b3eb77e
1 changed files with 1 additions and 1 deletions
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dsp/src/lib.rs
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@ -17,7 +17,7 @@ pub type Complex<T> = (T, T);
/// Shifted and rounded value. /// Shifted and rounded value.
#[inline(always)] #[inline(always)]
pub fn shift_round(x: i32, shift: usize) -> i32 { pub fn shift_round(x: i32, shift: usize) -> i32 {
(x + (1 << (shift - 1))) >> shift x.saturating_add(1 << (shift - 1)) >> shift
} }
/// Integer division, round up half. /// Integer division, round up half.