add isPowerOfTwo check

2026-06-16 04:26:26 +02:00 · 2015-05-30 17:58:19 -04:00
parent aed0224154
commit 7cf5d676a2
1 changed files with 6 additions and 3 deletions
@@ -1296,12 +1296,15 @@ public abstract class PGL {
  }


+  protected static boolean isPowerOfTwo(int val) {
+    return (val & (val - 1)) == 0;
+  }
+
+
  // bit shifting this might be more efficient
  protected static int nextPowerOfTwo(int val) {
    int ret = 1;
-    while (ret < val) {
-      ret <<= 1;
-    }
+    while (ret < val) ret <<= 1;
    return ret;
  }