# scale(useFloat16Accumulator:destination:) Scales a floating-point 16-bit-per-channel, two-channel interleaved pixel buffer to fit the destination buffer. ``` func scale(useFloat16Accumulator: Bool = false, destination: vImage.PixelBuffer) ``` ## Parameters `useFloat16Accumulator` A Boolean value that specifies that the function uses faster, but lower-precision, internal arithmetic. For more information, see [`kvImageUseFP16Accumulator`](/documentation/Accelerate/kvImageUseFP16Accumulator). `destination` The destination pixel buffer. ## See Also --- 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)