Top Description Fields Constructors Methods

com.google.common.math

pack-priv final Class DoubleUtils

Class Inheritance

extends Object

java.lang.Object
com.google.common.math.DoubleUtils

Annotations

@GwtIncompatible
@ElementTypesAreNonnullByDefault

Static Imports

com.google.common.base.Preconditions.checkArgument, java.lang.Double.MAX_EXPONENT, .Double.MIN_EXPONENT, .Double.POSITIVE_INFINITY, .Double.doubleToRawLongBits, .Double.isNaN, .Double.longBitsToDouble, .Math.getExponent

Utilities for double primitives.

Author: Louis Wasserman

Field Summary

Modifier and Type	Field and Description
pack-priv static final int	EXPONENT_BIAS
pack-priv static final long	EXPONENT_MASK
pack-priv static final long	IMPLICIT_BIT The implicit 1 bit that is omitted in significands of normal doubles.
pack-priv static final long	ONE_BITS
pack-priv static final long	SIGN_MASK
pack-priv static final int	SIGNIFICAND_BITS
pack-priv static final long	SIGNIFICAND_MASK

Constructor Summary

Access	Constructor and Description
private	DoubleUtils()

Method Summary

Modifier and Type	Method and Description
pack-priv static double	bigToDouble(BigInteger x)
pack-priv static double	ensureNonNegative(double value) Returns its argument if it is non-negative, zero if it is negative.
pack-priv static long	getSignificand(double d)
pack-priv static boolean	isFinite(double d)
pack-priv static boolean	isNormal(double d)
pack-priv static double	nextDown(double d)
pack-priv static double	scaleNormalize(double x)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

EXPONENT_BIAS	back to summary
pack-priv static final int EXPONENT_BIAS

EXPONENT_MASK	back to summary
pack-priv static final long EXPONENT_MASK

IMPLICIT_BIT	back to summary
pack-priv static final long IMPLICIT_BIT The implicit 1 bit that is omitted in significands of normal doubles.

ONE_BITS	back to summary
pack-priv static final long ONE_BITS Annotations @VisibleForTesting

SIGN_MASK	back to summary
pack-priv static final long SIGN_MASK

SIGNIFICAND_BITS	back to summary
pack-priv static final int SIGNIFICAND_BITS

SIGNIFICAND_MASK	back to summary
pack-priv static final long SIGNIFICAND_MASK

Constructor Detail

DoubleUtils	back to summary
private DoubleUtils()

Method Detail

bigToDouble	back to summary
pack-priv static double bigToDouble(BigInteger x)

ensureNonNegative	back to summary
pack-priv static double ensureNonNegative(double value) Returns its argument if it is non-negative, zero if it is negative.

getSignificand	back to summary
pack-priv static long getSignificand(double d)

isFinite	back to summary
pack-priv static boolean isFinite(double d)

isNormal	back to summary
pack-priv static boolean isNormal(double d)

nextDown	back to summary
pack-priv static double nextDown(double d)

scaleNormalize	back to summary
pack-priv static double scaleNormalize(double x)