fix shift_round overflow error

2021-01-14 14:41:51 -08:00 · 2021-01-14 14:41:51 -08:00 · 9f0b3eb77e
parent d1aa2f04c4
commit 9f0b3eb77e
1 changed files with 1 additions and 1 deletions
--- a/dsp/src/lib.rs
+++ b/dsp/src/lib.rs
@ -17,7 +17,7 @@ pub type Complex<T> = (T, T);
 /// Shifted and rounded value.
 #[inline(always)]
 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.