/**
   * Returns the <a href="http://en.wikipedia.org/wiki/Variance#Population_variance">population
   * variance</a> of the values. The count must be non-zero.
   *
   * <p>This is guaranteed to return zero if the dataset contains only exactly one finite value. It
   * is not guaranteed to return zero when the dataset consists of the same value multiple times,
   * due to numerical errors. However, it is guaranteed never to return a negative result.
   *

	"internal/buildcfg"
)

// A ZeroRegion records parts of an object which are known to be zero.
// A ZeroRegion only applies to a single memory state.
// Each bit in mask is set if the corresponding pointer-sized word of
// the base object is known to be zero.
// In other words, if mask & (1<<i) != 0, then [base+i*ptrSize, base+(i+1)*ptrSize)
// is known to be zero.
type ZeroRegion struct {
	base *Value
	mask uint64
}

   *
   * @param timeout the maximum time to wait for the permit. Negative values are treated as zero.
   * @return {@code true} if the permit was acquired, {@code false} otherwise
   * @throws IllegalArgumentException if the requested number of permits is negative or zero
   * @since 28.0
   */
  public boolean tryAcquire(Duration timeout) {

	//     initial zero octets.
	//
	// 6.  Let H = Hash(M'), an octet string of length hLen.

	var prefix [8]byte

	hash.Write(prefix[:])
	hash.Write(mHash)
	hash.Write(salt)

	h = hash.Sum(h[:0])
	hash.Reset()

	// 7.  Generate an octet string PS consisting of emLen - sLen - hLen - 2
	//     zero octets. The length of PS may be 0.
	//

// with a hexadecimal mantissa and a binary exponent, or "0x0p0" if x is zero,
// and returns the extended buffer.
// A non-zero mantissa is normalized such that 1.0 <= mantissa < 2.0.
// The sign of x is ignored, and x must not be an Inf.
// (The caller handles Inf before invoking fmtX.)
func (x *Float) fmtX(buf []byte, prec int) []byte {
	if x.form == zero {
		buf = append(buf, "0x0"...)
		if prec > 0 {
			buf = append(buf, '.')

                          Value &padding_high) {
  Value zero = CreateScalarConstValue<int32_t>(builder, loc, 0);
  Value one = CreateScalarConstValue<int32_t>(builder, loc, 1);
  Value two = CreateScalarConstValue<int32_t>(builder, loc, 2);
  Value filter_size = CreateScalarConstValue<int32_t>(builder, loc, filter_sz);
  Type int32_scalar_type = zero.getType();

  auto scalar_add = [&](Value lhs, Value rhs) {

   * @return the count of the element before the operation; possibly zero
   * @throws IllegalArgumentException if {@code count} is negative
   * @throws NullPointerException if {@code element} is null and this implementation does not permit
   *     null elements. Note that if {@code count} is zero, the implementor may optionally return
   *     zero instead.
   */
  @CanIgnoreReturnValue

func NewGeneratorPoint() *Point {
	return new(Point).Set(generator)
}

func (v *projCached) Zero() *projCached {
	v.YplusX.One()
	v.YminusX.One()
	v.Z.One()
	v.T2d.Zero()
	return v
}

func (v *affineCached) Zero() *affineCached {
	v.YplusX.One()
	v.YminusX.One()
	v.T2d.Zero()
	return v
}

// Assignments.

// Set sets v = u, and returns v.

   *
   * @param timeout the maximum time to wait for the permit. Negative values are treated as zero.
   * @param unit the time unit of the timeout argument
   * @return {@code true} if the permit was acquired, {@code false} otherwise
   * @throws IllegalArgumentException if the requested number of permits is negative or zero
   */
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration

// zeroing
(Zero [0] _ mem) => mem
(Zero [1] ptr mem) => (MOVBstore ptr (MOVVconst [0]) mem)
(Zero [2] {t} ptr mem) && t.Alignment()%2 == 0 =>
	(MOVHstore ptr (MOVVconst [0]) mem)
(Zero [2] ptr mem) =>
	(MOVBstore [1] ptr (MOVVconst [0])
		(MOVBstore [0] ptr (MOVVconst [0]) mem))
(Zero [4] {t} ptr mem) && t.Alignment()%4 == 0 =>
	(MOVWstore ptr (MOVVconst [0]) mem)