In response to the incorrect Pilot objection, I am adding a few sanity

parenthesis to make expressions easier to understand.

Author: leerho

src/main/java/org/apache/datasketches/theta/HeapUpdateSketch.java

@@ -96,7 +96,7 @@ short getSeedHash() {
   byte[] toByteArray(final int preLongs, final byte familyID) {
     if (isDirty()) { rebuild(); }
     checkIllegalCurCountAndEmpty(isEmpty(), getRetainedEntries(true));
-    final int preBytes = preLongs << 3 & 0X3F; //24 bytes; mask to 6 bits
+    final int preBytes = (preLongs << 3) & 0X3F; //24 bytes; mask to 6 bits
     final int dataBytes = getCurrentDataLongs() << 3;
     final byte[] byteArrOut = new byte[preBytes + dataBytes];
 

src/main/java/org/apache/datasketches/theta/PreambleUtil.java

@@ -450,7 +450,7 @@ static void insertLgResizeFactor(final MemorySegment seg, final int rf) {
     final int curByte = seg.get(JAVA_BYTE, PREAMBLE_LONGS_BYTE) & 0xFF;
     final int shift = LG_RESIZE_FACTOR_BIT; // shift in bits
     final int mask = 3;
-    final byte newByte = (byte) ((rf & mask) << shift | ~(mask << shift) & curByte);
+    final byte newByte = (byte) (((rf & mask) << shift) | (~(mask << shift) & curByte));
     seg.set(JAVA_BYTE, PREAMBLE_LONGS_BYTE, newByte);
   }
 

src/main/java/org/apache/datasketches/theta/UpdateSketch.java

@@ -173,7 +173,7 @@ public CompactSketch compact(final boolean dstOrdered, final MemorySegment dstWS
   public int getCompactBytes() {
     final int preLongs = getCompactPreambleLongs();
     final int dataLongs = getRetainedEntries(true);
-    return preLongs + dataLongs << 3;
+    return (preLongs + dataLongs) << 3;
   }
 
   @Override

src/test/java/org/apache/datasketches/theta/UpdateSketchTest.java

@@ -212,7 +212,7 @@ public void checkCompactOpsMemorySegmentToCompact() {
     CompactSketch csk1, csk2, csk3;
     final int lgK = 6;
     final UpdateSketch sk = UpdateSketch.builder().setLogNominalEntries(lgK).build();
-    final int n = 1 << lgK + 1;
+    final int n = 1 << (lgK + 1);
     for (int i = 2; i < n; i++) { sk.update(i); }
     final int cbytes = sk.getCompactBytes();
     final byte[] byteArr = sk.toByteArray();