Re: Comment about IEEE floating-point rounding... (was: Setting Float Precision in Lua.c)

[Levente <leventelist@...>]

I have this on Debian stable:

lev@mercury:~$ lua5.1
Lua 5.1.5  Copyright (C) 1994-2012 Lua.org, PUC-Rio
> =1e97 % 97
0
>
lev@mercury:~$ lua5.2
Lua 5.2.4  Copyright (C) 1994-2015 Lua.org, PUC-Rio
> = 1e97 % 97
0
>
lev@mercury:~$ lua5.3
Lua 5.3.3  Copyright (C) 1994-2016 Lua.org, PUC-Rio
> =1e97 % 97
3.0
>

On Wed, Jun 27, 2018 at 3:26 PM, Sergey Zakharchenko
<doublef.mobile@gmail.com> wrote:
> Hello,
>
> I'm sorry to interrupt the number-theoretic discussion but these seem way
> off:
>
>> Lua 5.1.5  Copyright (C) 1994-2012 Lua.org, PUC-Rio
>> > print(1e97 % 97)
>> -8.8928324534259e+79
>
>> Lua 5.2.4  Copyright (C) 1994-2015 Lua.org, PUC-Rio
>> > print(1e97 % 97)
>> -8.8928324534259e+79
>
> I get 0 on all platforms I can test Lua 5.[12] on, which is of course as bad
> as 3 but not *this* bad. Could any patches you use have affected this?
>
> Best regards,
>
> --
> DoubleF