sun.misc
Class FloatConsts

java.lang.Object
  sun.misc.FloatConsts

public class FloatConsts
extends Object

This class contains additional constants documenting limits of the float type.

Field Summary

static int	EXP_BIAS Bias used in representing a float exponent.
static int	EXP_BIT_MASK Bit mask to isolate the exponent field of a float.
static int	MAX_EXPONENT Maximum exponent a finite float number may have.
static float	MAX_VALUE
static int	MIN_EXPONENT Minimum exponent a normalized float number may have.
static float	MIN_NORMAL A constant holding the smallest positive normal value of type float, 2-126.
static int	MIN_SUB_EXPONENT The exponent the smallest positive float subnormal value would have if it could be normalized.
static float	MIN_VALUE
static float	NaN
static float	NEGATIVE_INFINITY
static float	POSITIVE_INFINITY
static int	SIGN_BIT_MASK Bit mask to isolate the sign bit of a float.
static int	SIGNIF_BIT_MASK Bit mask to isolate the significand field of a float.
static int	SIGNIFICAND_WIDTH The number of logical bits in the significand of a float number, including the implicit bit.

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

POSITIVE_INFINITY

public static final float POSITIVE_INFINITY

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Constant Field Values

NEGATIVE_INFINITY

public static final float NEGATIVE_INFINITY

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NaN

public static final float NaN

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Constant Field Values

MAX_VALUE

public static final float MAX_VALUE

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Constant Field Values

MIN_VALUE

public static final float MIN_VALUE

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MIN_NORMAL

public static final float MIN_NORMAL

A constant holding the smallest positive normal value of type float, 2^-126. It is equal to the value returned by Float.intBitsToFloat(0x00800000).

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Constant Field Values

SIGNIFICAND_WIDTH

public static final int SIGNIFICAND_WIDTH

The number of logical bits in the significand of a float number, including the implicit bit.

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Constant Field Values

MAX_EXPONENT

public static final int MAX_EXPONENT

Maximum exponent a finite float number may have. It is equal to the value returned by Math.ilogb(Float.MAX_VALUE).

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Constant Field Values

MIN_EXPONENT

public static final int MIN_EXPONENT

Minimum exponent a normalized float number may have. It is equal to the value returned by Math.ilogb(Float.MIN_NORMAL).

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Constant Field Values

MIN_SUB_EXPONENT

public static final int MIN_SUB_EXPONENT

The exponent the smallest positive float subnormal value would have if it could be normalized. It is equal to the value returned by FpUtils.ilogb(Float.MIN_VALUE).

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Constant Field Values

EXP_BIAS

public static final int EXP_BIAS

Bias used in representing a float exponent.

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Constant Field Values

SIGN_BIT_MASK

public static final int SIGN_BIT_MASK

Bit mask to isolate the sign bit of a float.

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Constant Field Values

EXP_BIT_MASK

public static final int EXP_BIT_MASK

Bit mask to isolate the exponent field of a float.

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Constant Field Values

SIGNIF_BIT_MASK

public static final int SIGNIF_BIT_MASK

Bit mask to isolate the significand field of a float.

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Constant Field Values