*
 * @author Dimitris Andreou
 * @author Kurt Alfred Kluever
 * @since 11.0
 */
public abstract class HashCode {
  HashCode() {}

  /** Returns the number of bits in this hash code; a positive multiple of 8. */
  public abstract int bits();

  /**
   * Returns the first four bytes of {@linkplain #asBytes() this hashcode's bytes}, converted to an
   * {@code int} value in little-endian order.
   *

   *
   * @param a the first {@code char} to compare
   * @param b the second {@code char} to compare
   * @return a negative value if {@code a} is less than {@code b}; a positive value if {@code a} is
   *     greater than {@code b}; or zero if they are equal
   */
  @InlineMe(replacement = "Character.compare(a, b)")
  public static int compare(char a, char b) {

   *
   * @param a the first {@code short} to compare
   * @param b the second {@code short} to compare
   * @return a negative value if {@code a} is less than {@code b}; a positive value if {@code a} is
   *     greater than {@code b}; or zero if they are equal
   */
  @InlineMe(replacement = "Short.compare(a, b)")
  public static int compare(short a, short b) {
    return Short.compare(a, b);

   *
   * @param a the first {@code short} to compare
   * @param b the second {@code short} to compare
   * @return a negative value if {@code a} is less than {@code b}; a positive value if {@code a} is
   *     greater than {@code b}; or zero if they are equal
   */
  @InlineMe(replacement = "Short.compare(a, b)")
  public static int compare(short a, short b) {
    return Short.compare(a, b);

        byte[] dst = new byte[4];
        assertDoesNotThrow(() -> raf.readFully(dst));
        assertEquals(2, calls.get());
    }

    @Test
    @DisplayName("skipBytes(): advances file pointer for positive values")
    void skipBytes_advancesFP() throws Exception {
        SmbRandomAccessFile raf = newInstance("r", false, false, false);
        assertEquals(0L, raf.getFilePointer());
        int skipped = raf.skipBytes(5);

    BigDecimal qDec = new BigDecimal(q);
    return pDec.divide(qDec, 0, mode).toBigIntegerExact();
  }

  /**
   * Returns {@code n!}, that is, the product of the first {@code n} positive integers, or {@code 1}
   * if {@code n == 0}.
   *
   * <p><b>Warning:</b> the result takes <i>O(n log n)</i> space, so use cautiously.
   *

        @Test
        @DisplayName("Should validate tree ID correctly")
        void testIsValidTid() {
            // Test valid TID
            response.setTreeId(100);
            assertTrue(response.isValidTid(), "Positive tree ID should be valid");

            // Test invalid TID
            response.setTreeId(-1);
            assertFalse(response.isValidTid(), "Tree ID -1 should be invalid");
        }

        @Test

    return new CompactHashMap<>(expectedSize);
  }

  private static final Object NOT_FOUND = new Object();

  /**
   * Maximum allowed false positive probability of detecting a hash flooding attack given random
   * input.
   */
  @VisibleForTesting(
      )
  static final double HASH_FLOODING_FPP = 0.001;

  /**

    /** Capacity (power of two) minus one, for fast mod evaluation */
    final int mask;

    PowerOfTwoStriped(int stripes) {
      Preconditions.checkArgument(stripes > 0, "Stripes must be positive");
      this.mask = stripes > Ints.MAX_POWER_OF_TWO ? ALL_SET : ceilToPowerOfTwo(stripes) - 1;
    }

    @Override
    final int indexFor(Object key) {
      int hash = smear(key.hashCode());

   * equivalent {@link Integer#compare} method instead.
   *
   * @param a the first {@code int} to compare
   * @param b the second {@code int} to compare
   * @return a negative value if {@code a} is less than {@code b}; a positive value if {@code a} is
   *     greater than {@code b}; or zero if they are equal
   */
  @InlineMe(replacement = "Integer.compare(a, b)")
  public static int compare(int a, int b) {
    return Integer.compare(a, b);