min = next;
      }
    }
    return flip(min);
  }

  /**
   * Returns the greatest value present in {@code array}, treating values as unsigned.
   *
   * @param array a <i>nonempty</i> array of unsigned {@code long} values
   * @return the value present in {@code array} that is greater than or equal to every other value
   *     in the array according to {@link #compare}

   *
   * @param array an array of {@code boolean} values, possibly empty
   * @param target a primitive {@code boolean} value
   * @return the greatest index {@code i} for which {@code array[i] == target}, or {@code -1} if no
   *     such index exists.
   */
  public static int lastIndexOf(boolean[] array, boolean target) {

   *
   * @param array an array of {@code boolean} values, possibly empty
   * @param target a primitive {@code boolean} value
   * @return the greatest index {@code i} for which {@code array[i] == target}, or {@code -1} if no
   *     such index exists.
   */
  public static int lastIndexOf(boolean[] array, boolean target) {

		root = child
	}
}

func heapSort{{.FuncSuffix}}{{.TypeParam}}(data {{.DataType}}, a, b int {{.ExtraParam}}) {
	first := a
	lo := 0
	hi := b - a

	// Build heap with greatest element at top.
	for i := (hi - 1) / 2; i >= 0; i-- {
		siftDown{{.FuncSuffix}}(data, i, hi, first {{.ExtraArg}})
	}

	// Pop elements, largest first, into end of data.
	for i := hi - 1; i >= 0; i-- {

    if (m <= 0) {
      throw new ArithmeticException("Modulus " + m + " must be > 0");
    }
    int result = x % m;
    return (result >= 0) ? result : result + m;
  }

  /**
   * Returns the greatest common divisor of {@code a, b}. Returns {@code 0} if {@code a == 0 && b ==
   * 0}.
   *
   * @throws IllegalArgumentException if {@code a < 0} or {@code b < 0}
   */
  public static int gcd(int a, int b) {
    /*

    if (m <= 0) {
      throw new ArithmeticException("Modulus " + m + " must be > 0");
    }
    int result = x % m;
    return (result >= 0) ? result : result + m;
  }

  /**
   * Returns the greatest common divisor of {@code a, b}. Returns {@code 0} if {@code a == 0 && b ==
   * 0}.
   *
   * @throws IllegalArgumentException if {@code a < 0} or {@code b < 0}
   */
  public static int gcd(int a, int b) {
    /*

	if z.neg && len(mWords) > 0 {
		// make modulus result positive
		z.abs = z.abs.sub(mWords, z.abs) // z == x**y mod |m| && 0 <= z < |m|
		z.neg = false
	}

	return z
}

// GCD sets z to the greatest common divisor of a and b and returns z.
// If x or y are not nil, GCD sets their value such that z = a*x + b*y.
//
// a and b may be positive, zero or negative. (Before Go 1.14 both had

    List<InvocationTargetException> instantiationExceptions = Lists.newArrayList();
    List<FactoryMethodReturnsNullException> nullErrors = Lists.newArrayList();
    // Try factories with the greatest number of parameters.
    for (Invokable<?, ?> factory : factories) {
      if (factory.getParameters().size() == numberOfParameters) {
        try {
          testEqualsUsing(factory);
          return;

    List<InvocationTargetException> instantiationExceptions = Lists.newArrayList();
    List<FactoryMethodReturnsNullException> nullErrors = Lists.newArrayList();
    // Try factories with the greatest number of parameters.
    for (Invokable<?, ?> factory : factories) {
      if (factory.getParameters().size() == numberOfParameters) {
        try {
          testEqualsUsing(factory);
          return;

    if (m <= 0) {
      throw new ArithmeticException("Modulus must be positive");
    }
    long result = x % m;
    return (result >= 0) ? result : result + m;
  }

  /**
   * Returns the greatest common divisor of {@code a, b}. Returns {@code 0} if {@code a == 0 && b ==
   * 0}.
   *
   * @throws IllegalArgumentException if {@code a < 0} or {@code b < 0}
   */
  public static long gcd(long a, long b) {