# CosTaperedWin

Advanced Analysis Library Only

AnalysisLibErrType CosTaperedWin (double arrayX[], int numberOfElements);

## Purpose

| Note This function is obsolete. National Instruments recommends that you use CosTaperedWinEx instead.

Applies a cosine-tapered window to the input signal. If Y represents the output sequence, CosTaperedWin obtains the elements of Y from the following formula:

where |
| n is the number of elements in arrayX

## Parameters

Input
Name | Type | Description
numberOfElements | integer | Number of elements in the input array, arrayX.
Output
Name | Type | Description
arrayX | double-precision array | On input, the input signal. On output, the signal after CosTaperedWin applies the cosine-tapered window.

## 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.