Re: Bug ? math.tointeger strange behavior

["Soni L." <fakedme@...>]

On 09/05/16 12:35 PM, Loïc Le Cunff wrote:
> Greetings,
>
>
> Lately I've been messing around with this function, but sometimes my 
> software (using results from lua scripts) would crash. I've isolated 
> an example of this issue demonstrated in this simple script:
> _____
>
> a=600e-9
> b=5e-9
>
> N=a/b
> N2=math.tointeger(N)
>
> print(N)
> print(N2)
> print(math.tointeger(120.0))
> _____
>
> This returns:
>
> 120.0
> nil
> 120
>
> At first I thought it could be related to Windows (stuff built with 
> TDM-GCC 5.1), but I could also replicated it on a Mint virtual machine 
> (gcc 4.8.4).
> I've seen it both in lua 5.3.0 and 5.3.2.
> Note that more often than not math.tointeger behaves properly, but in 
> this particular case it just doesn't.
>
> Can anyone replicate this or is the issue only on my side?
>
> Regards.
Pick a rounding behaviour. math.tointeger only converts to integer if x 
% 1.0 == 0.0.

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