Package com.pnfsoftware.jeb.util.primitives

Class Floats

java.lang.Object

com.pnfsoftware.jeb.util.primitives.Floats

public class Floats
extends Object

Constructor Summary

Constructors

Constructor	Description
Floats()

Method Summary

Modifier and Type	Method	Description
static float	fromBF16Bits(int bits)
static float	fromFP16Bits(int bits)
static int	getNaNType(float f)
static int	getNaNType(int bits)
static int	getSpecialType(float f)
static int	getSpecialType(int bits)
static boolean	isQuietNaN(float f)
static boolean	isQuietNaN(int bits)
static boolean	isSignalingNaN(float f)
static boolean	isSignalingNaN(int bits)

Methods inherited from class java.lang.Object

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

Constructor Details

Floats

public Floats()

Method Details

getSpecialType

public static int getSpecialType(float f)

Parameters:

f - a fp32 float

Returns:

0=not a NaN; 1=quiet NaN; 2=signaling NaN, 3=infinite

getSpecialType

public static int getSpecialType(int bits)

Parameters:

bits - raw bits of a fp32 primitive

Returns:

0=not a NaN; 1=quiet NaN; 2=signaling NaN, 3=infinite

getNaNType

public static int getNaNType(float f)

Parameters:

f - a fp32 float

Returns:

0=not a NaN; 1=quiet NaN; 2=signaling NaN

getNaNType

public static int getNaNType(int bits)

Parameters:

bits - raw bits of a fp32 primitive

Returns:

0=not a NaN; 1=quiet NaN; 2=signaling NaN

isQuietNaN

public static boolean isQuietNaN(float f)

isQuietNaN

public static boolean isQuietNaN(int bits)

isSignalingNaN

public static boolean isSignalingNaN(float f)

isSignalingNaN

public static boolean isSignalingNaN(int bits)

fromFP16Bits

public static float fromFP16Bits(int bits)

Parameters:

bits - raw bits of a FP16 (half-precision fp)

Returns:

a float representing the input

fromBF16Bits

public static float fromBF16Bits(int bits)

Parameters:

bits - raw bits of a BF16 (also named bfloat16, or E8M7 fp)

Returns:

a float representing the inputs