Package org.apache.commons.numbers.gamma

Class ErfDifference

java.lang.Object

org.apache.commons.numbers.gamma.ErfDifference

public final class ErfDifference
extends Object

Computes the difference between error function values.

Method Summary

Modifier and Type	Method	Description
static double	value(double x1, double x2)	The implementation uses either Erf or Erfc, depending on which provides the most precise result.

Methods inherited from class java.lang.Object

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

Method Details

value

public static double value(double x1,
 double x2)

The implementation uses either Erf or Erfc, depending on which provides the most precise result.

Parameters:

x1 - First value.

x2 - Second value.

Returns:

Erf.value(x2) - Erf.value(x1).

Throws:

ArithmeticException - if the algorithm fails to converge.