Topic: 关于精度的问题?

  Print this page

1.关于精度的问题? Copy to clipboard
Posted by: 007ts
Posted on: 2004-12-03 10:05

请问我想取一个double型的数的前几位有效数字,请问用什么方法?
谢谢了!!!

2.Re:关于精度的问题? [Re: 007ts] Copy to clipboard
Posted by: ninky
Posted on: 2004-12-03 17:00

Sorry ! there is no method to do like your saying as I know!

3.Re:关于精度的问题? [Re: 007ts] Copy to clipboard
Posted by: 007ts
Posted on: 2004-12-06 08:30

谢谢你的关注!
那请问有人知道用什么样的代码可以完成取几位有效数字的功能吗?

4.Re:关于精度的问题? [Re: 007ts] Copy to clipboard
Posted by: dingligang
Posted on: 2004-12-06 09:47

转成BigDecimal,可以设置精度和舍入方式,详细请参考API文档。

5.Re:关于精度的问题? [Re: 007ts] Copy to clipboard
Posted by: 007ts
Posted on: 2004-12-06 13:25

万分感谢!我对你的敬仰有如滔滔江水连绵不绝,又如黄河泛滥一发不可收拾!!!!!!!!!!!!


   Powered by Jute Powerful Forum® Version Jute 1.5.6 Ent
Copyright © 2002-2021 Cjsdn Team. All Righits Reserved. 闽ICP备05005120号-1
客服电话 18559299278    客服信箱 714923@qq.com    客服QQ 714923