[英]Element-wise maximum value for two arrays with Accelerate
Given two arrays of floats给定两个浮点数数组
let A: [Float] = [a1, a2, a3, a4, ...]
let B: [Float] = [b1, b2, b3, b4, ...]
how, with Accelerate
can I get an array giving me the maximum value of the two arrays, ie how to obtain如何,使用
Accelerate
可以获得一个数组,给我两个数组的最大值,即如何获得
let R = [max(a1, b1), max(a2, b2), ...]
vDSP_vmax
computes the element-wise maximum of two vectors. vDSP_vmax
计算两个向量的元素最大值。
Starting with macOS 10.15/iOS 13 this is also available as a generic maximum
method.从 macOS 10.15/iOS 13 开始,这也可用作通用
maximum
方法。
Example:例子:
let a: [Float] = [ 1.0, 2.0, 3.0 ]
let b: [Float] = [ 3.0, 2.0, 1.0 ]
var result: [Float]
if #available(OSX 10.15, iOS 13.0, *) {
result = vDSP.maximum(a, b)
} else {
result = [ 0.0, 0.0, 0.0 ]
vDSP_vmax(a, 1, b, 1, &result, 1, 3)
}
print(result) // [3.0, 2.0, 3.0]
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.