codingforfan
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doujiang24
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agentzh
Hello!
On Wed, Jun 8, 2016 at 3:14 AM, codingforfan wrote:
> 看到luajit2.1已经支持64bit位运算了，然后升级了下luajit，貌似并不管用呢，求解？
>
> http://luajit.org/sponsors.html#sponsorship_bit64
>
> 或者有其他方法来支持64bit的位运算么？
>
可以。通过 int64_t 或者 uint64_t 类型的 FFI cdata 类型。比如：
$ luajit -e 'local bit = require "bit" print(bit.lshift(0xffffffffffLL, 1))'
2199023255550LL
Regards,
-agentzh
codingforfan
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jianchen2580
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yuansheng
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