Re: math.tofloat (or how to check if number has float representation)

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

On 17/01/15 04:49 PM, Luiz Henrique de Figueiredo wrote:
> > > > How do I check if x can be represented as a float? For example, for
> > > > 64-bit integers and 64-bit floats, (1<<62)+5 cannot be represented
> > > > as a float, but 1<<62 can.
> > > print(x == math.tointeger(x+0.0))
> > What if x is a float?
> print(x == (x+0.0))
>
> If you need to distinguish integers from float, you can use math.type(x).
>
> But please share why you need all this.
To check types? I guess that because Lua converts int to float without 
caring about precision loss (¬_¬) I don't need this, so meh... (only 
noticed now)

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