Re: How to get the 2-complenent of a negative number in Lua 5.2?

[Roberto Ierusalimschy <roberto@...>]

> On 7/4/16, Martin <eden_martin_fuhrspam@gmx.de> wrote:
> >> unfortunately, in Lua 5.2 it fails:
> >>
> >>     -- Lua 5.2
> >>     > print(("%x"):format(-123456))
> >>     stdin:1: bad argument #1 to 'format' (not a non-negative number in
> >> proper range)
> >>
> >> Is there a solution that works in 5.2 as well?
> >>
> > print(('%x'):format(bit32.band(-2)))
> 
> Works perfectly! Thanks.

Another option:

  print(('%x'):format(-2 % 2^32))

-- Roberto