Find first and last set bit of a long integer: Difference between revisions

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@@ Line 303: / Line 303: @@
     public static int mssb_idx(int x) {
-        return 31 - Integer.numberOfLeadingZeros(x);
+        return Integer.SIZE - 1 - Integer.numberOfLeadingZeros(x);
     }
     public static int mssb_idx(long x) {
-        return 63 - Long.numberOfLeadingZeros(x);
+        return Long.SIZE - 1 - Long.numberOfLeadingZeros(x);
     }