hex

Class DistributionFactory.LogExpUtil

java.lang.Object

hex.DistributionFactory.LogExpUtil

Enclosing class:

DistributionFactory

public static final class DistributionFactory.LogExpUtil
extends java.lang.Object

Util class to calculate log and exp function for distribution and link function identically

Field Summary

Fields

Modifier and Type	Field and Description
static double	MAX
static double	MIN_LOG

Constructor Summary

Constructors

Constructor and Description
LogExpUtil()

Method Summary

Modifier and Type	Method and Description
static double	exp(double x) Sanitized exponential function - helper function.
static double	log(double x) Sanitized log function - helper function

Methods inherited from class java.lang.Object

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

Field Detail

MIN_LOG

public static final double MIN_LOG

See Also:

Constant Field Values

MAX

public static final double MAX

See Also:

Constant Field Values

Constructor Detail

LogExpUtil

public LogExpUtil()

Method Detail

exp

public static double exp(double x)

Sanitized exponential function - helper function.

Parameters:

x - value to be transform

Returns:

result of exp function

log

public static double log(double x)

Sanitized log function - helper function

Parameters:

x - value to be transform

Returns:

result of log function