fix masking (#442)

fix masking fix masking
2024-01-16 21:54:42 +01:00 · 2024-01-16 21:54:42 +01:00 · c080143ca8
commit c080143ca8
parent f8874c3886
1 changed files with 2 additions and 1 deletions
--- a/src/main/java/dev/morling/onebrc/CalculateAverage_artsiomkorzun.java
+++ b/src/main/java/dev/morling/onebrc/CalculateAverage_artsiomkorzun.java
@ -431,7 +431,8 @@ public class CalculateAverage_artsiomkorzun {
        }

        private static long mask(long word, long separator) {
-            return word & ((separator >>> 7) - 1) & 0x00FFFFFFFFFFFFFFL;
+            long mask = ((separator - 1) ^ separator) >>> 8;
+            return word & mask;
        }

        private static int length(long separator) {