NSLog是一个双*变量？(NSLog a double* variable?)

NSLog是一个双*变量？(NSLog a double* variable?) - (void) _getPoints: (double*)arg1 { NSLog(@"%f", arg1); }

这适用于double和float ，但不适用于double* 。 任何帮助表示赞赏。

- (void) _getPoints: (double*)arg1 { NSLog(@"%f", arg1); }

This works for double and float, but not double*. Any help is appreciated.

最满意答案

假设arg1指向你想要的某种双倍：

- (void) _getPoints: (double*)arg1 { NSLog(@"%f", *arg1); }

您可能需要参考指针教程来了解发生了什么，例如这样 。

Assuming arg1 is pointing to some sort of double you want:

- (void) _getPoints: (double*)arg1 { NSLog(@"%f", *arg1); }

You might want to refer to pointer tutorial to understand what is going on, such as this.