J*****n
发帖数: 48 | 1 double 类型 x,y
(y/x)/x 是不是比 y/(x*x) 更加好一些? | r****y
发帖数: 1437 | 2 not necessarily
The old rule is do everything in multiplication rather than division
An American intern once used this "rule" to change my code, then
she was crying loud...
【在 J*****n 的大作中提到】
: double 类型 x,y
: (y/x)/x 是不是比 y/(x*x) 更加好一些?
| C********n
发帖数: 6682 | 3 不好说
两个的结果可能不一致
division
【在 r****y 的大作中提到】
: not necessarily
: The old rule is do everything in multiplication rather than division
: An American intern once used this "rule" to change my code, then
: she was crying loud...
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