Package com.twelvemonkeys.imageio.metadata.tiff

Class Half

java.lang.Object

java.lang.Number

com.twelvemonkeys.imageio.metadata.tiff.Half

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<Half>

public final class Half
extends java.lang.Number
implements java.lang.Comparable<Half>

IEEE 754 half-precision floating point data type.

Version:

$Id: Half.java,v 1.0 10/04/2021 haraldk Exp$

See Also:

Stack Overflow answer by x4u, Wikipedia, Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private float	floatValue
private short	shortBits
static int	SIZE

Constructor Summary

Constructors

Constructor	Description
Half(short shortBits)

Method Summary

Modifier and Type	Method	Description
int	compareTo(Half other)
double	doubleValue()
boolean	equals(java.lang.Object other)
private static int	floatTo16Bits(float floatValue)
static short	floatToShortBits(float floatValue)	Converts a float value to IEEE 754 half-precision bits.
float	floatValue()
int	hashCode()
int	intValue()
long	longValue()
static short	parseHalf(java.lang.String value)
private java.lang.Object	readResolve()
static float	shortBitsToFloat(short shortBits)	Converts an IEEE 754 half-precision data type to single-precision.
java.lang.String	toString()
static Half	valueOf(java.lang.String value)

Methods inherited from class java.lang.Number

byteValue, shortValue

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

SIZE

public static final int SIZE

See Also:

Constant Field Values

shortBits

private final short shortBits

floatValue

private final transient float floatValue

Constructor Detail

Half

public Half(short shortBits)

Method Detail

intValue

public int intValue()

Specified by:

intValue in class java.lang.Number

longValue

public long longValue()

Specified by:

longValue in class java.lang.Number

floatValue

public float floatValue()

Specified by:

floatValue in class java.lang.Number

doubleValue

public double doubleValue()

Specified by:

doubleValue in class java.lang.Number

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object other)

Overrides:

equals in class java.lang.Object

compareTo

public int compareTo(Half other)

Specified by:

compareTo in interface java.lang.Comparable<Half>

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

valueOf

public static Half valueOf(java.lang.String value)
                    throws java.lang.NumberFormatException

Throws:

java.lang.NumberFormatException

parseHalf

public static short parseHalf(java.lang.String value)
                       throws java.lang.NumberFormatException

Throws:

java.lang.NumberFormatException

shortBitsToFloat

public static float shortBitsToFloat(short shortBits)

Converts an IEEE 754 half-precision data type to single-precision.

Parameters:

shortBits - a 16 bit half precision value

Returns:

an IEE 754 single precision float

floatToShortBits

public static short floatToShortBits(float floatValue)

Converts a float value to IEEE 754 half-precision bits.

Parameters:

floatValue - a float value

Returns:

the IEE 754 single precision 16 bits value

floatTo16Bits

private static int floatTo16Bits(float floatValue)

readResolve

private java.lang.Object readResolve()