摘要: 3.55 can't be represented exactly in floating point. The internal value is something like 3.54999999999, which rounds to 3.5 首先要明白浮点数在计算机中都绝大多数是近似值。其实 阅读全文
posted @ 2020-02-27 02:01 hulian425 阅读(3624) 评论(1) 推荐(1) 编辑