Re: About big integers in Lua 5.3.

[Dirk Laurie <dirk.laurie@...>]

2016-01-14 15:59 GMT+02:00 Roberto Ierusalimschy <roberto@inf.puc-rio.br>:
>>
>> > On Jan 13, 2016, at 3:11 PM, David Given <dg@cowlark.com> wrote:
>> >
>> >> On 13/01/16 05:00, Dirk Laurie wrote:
>> >> [...]
>> >> Neither. It is in fact correct, provided that you understand
>> >> twos complement notation.
>> >
>> > If the value won't fit in an int64, shouldn't it be parsed as a double?
>>
>> I don't think that would work since a double can only precisely represent integers up to 2^53.
>
> Maybe it could parse as "Inf"?

What about parsing it as a string? Lossless. Will cause an error
if compared to a number. Error in arithmetic depends on whether
Lua was compiled with coercion on or off.