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

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

On 17/01/15 04:07 PM, Luiz Henrique de Figueiredo wrote:
> > I was trying to do an advanced type checking library in Lua, and I
> > seem to need a math.tofloat. How do I do this?
> If you need to convert a number x to a float, you can do x+0.0 for instance.
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.

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