# vvfabsf(_:_:_:) Calculates the absolute value for each element in an array of single-precision values. ``` func vvfabsf(_: UnsafeMutablePointer, _: UnsafePointer, _: UnsafePointer) ``` ## Discussion ### Parameters: - parameter 1: The output array, *y*. - parameter 2: The input array, *x*. - parameter 3: The number of elements in the arrays. The following code shows an example of using [`vvfabsf(_:_:_:)`](/documentation/Accelerate/vvfabsf(_:_:_:)). ```objc float x[] = {-1.2, 5.5, -3.9, 26.0}; float y[4]; int n = 4; vvfabsf(y, x, &n); NSLog(@"y: [%lf, %lf, %lf, %lf]", y[0], y[1], y[2], y[3]); ``` --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)