Module org.elasticsearch.simdvec

Package org.elasticsearch.simdvec

Class MathUtils

java.lang.Object

org.elasticsearch.simdvec.MathUtils

public class MathUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final int	EXPONENT_BIAS
static final int	EXPONENT_BIAS_MINUS_ONE
static final int	EXPONENT_MASK
static final int	MANTISSA_BITS
static final int	MANTISSA_MASK

Constructor Summary

Constructors

Constructor	Description
MathUtils()

Method Summary

Modifier and Type	Method	Description
static float	log2NQT(float x)	Computes log2(x) using the NQT approximation.
static float	pow2NQT(float exponent)	Computes pow(2, exponent) using the NQT approximation.
static float	sqrt(float x)	Computes the squared root of x.

Methods inherited from class java.lang.Object

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

Field Details

MANTISSA_BITS

public static final int MANTISSA_BITS

See Also:

• Constant Field Values

EXPONENT_BIAS

public static final int EXPONENT_BIAS

See Also:

• Constant Field Values

EXPONENT_BIAS_MINUS_ONE

public static final int EXPONENT_BIAS_MINUS_ONE

See Also:

• Constant Field Values

EXPONENT_MASK

public static final int EXPONENT_MASK

See Also:

• Constant Field Values

MANTISSA_MASK

public static final int MANTISSA_MASK

See Also:

• Constant Field Values

Constructor Details

MathUtils

public MathUtils()

Method Details

sqrt

public static float sqrt(float x)

Computes the squared root of x.

log2NQT

public static float log2NQT(float x)

Computes log2(x) using the NQT approximation.

pow2NQT

public static float pow2NQT(float exponent)

Computes pow(2, exponent) using the NQT approximation.