# Erf

Advanced Analysis Library Only

AnalysisLibErrType Erf (double x, double *erf);

## Purpose

Evaluates the error function at the input value.

The following equation defines Erf:

## Parameters

Input
Name | Type | Description
x | double | The input value at which the error function is evaluated.
Output
Name | Type | Description
erf | double (passed by reference) | The value of the error function evaluated at x.

## Return Value

Name | Type | Description
status | AnalysisLibErrType | A value that specifies the type of error that occurred. Refer to analysis.h for definitions of these constants.