# quadrature_function_array ``` typealias quadrature_function_array = (UnsafeMutableRawPointer?, Int, UnsafePointer, UnsafeMutablePointer) -> Void ``` ## Parameters `arg` User argument passed back to the function when evaluated `n` Dimension of arrays X and Y `x` Array of points to evaluate the function `y` Array receiving the values ## Discussion\abstract Y=F(X) one-dimensional real function, array form, double precision \discussion Should set values y[i] = F(x[i]) for i=0..n-1. --- 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)