Class DoubleHelper

java.lang.Object

org.mozilla.javascript.v8dtoa.DoubleHelper

public class DoubleHelper
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	kDenormalExponent
private static final int	kExponentBias
(package private) static final long	kExponentMask
(package private) static final long	kHiddenBit
(package private) static final long	kSignificandMask
private static final int	kSignificandSize
(package private) static final long	kSignMask

Constructor Summary

Constructors

Constructor	Description
DoubleHelper()

Method Summary

Modifier and Type	Method	Description
(package private) static DiyFp	asDiyFp(long d64)
(package private) static DiyFp	asNormalizedDiyFp(long d64)
(package private) static int	exponent(long d64)
(package private) static boolean	isDenormal(long d64)
(package private) static boolean	isInfinite(long d64)
(package private) static boolean	isNan(long d64)
(package private) static boolean	isSpecial(long d64)
(package private) static void	normalizedBoundaries(long d64, DiyFp m_minus, DiyFp m_plus)
(package private) static int	sign(long d64)
(package private) static long	significand(long d64)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

kSignMask

static final long kSignMask

See Also:

• Constant Field Values

kExponentMask

static final long kExponentMask

See Also:

• Constant Field Values

kSignificandMask

static final long kSignificandMask

See Also:

• Constant Field Values

kHiddenBit

static final long kHiddenBit

See Also:

• Constant Field Values

kSignificandSize

private static final int kSignificandSize

See Also:

• Constant Field Values

kExponentBias

private static final int kExponentBias

See Also:

• Constant Field Values

kDenormalExponent

private static final int kDenormalExponent

See Also:

• Constant Field Values

Constructor Details

DoubleHelper

public DoubleHelper()

Method Details

asDiyFp

static DiyFp asDiyFp(long d64)

asNormalizedDiyFp

static DiyFp asNormalizedDiyFp(long d64)

exponent

static int exponent(long d64)

significand

static long significand(long d64)

isDenormal

static boolean isDenormal(long d64)

isSpecial

static boolean isSpecial(long d64)

isNan

static boolean isNan(long d64)

isInfinite

static boolean isInfinite(long d64)

sign

static int sign(long d64)

normalizedBoundaries

static void normalizedBoundaries(long d64,
 DiyFp m_minus,
 DiyFp m_plus)