Re: Float numbers equality.

[Egor Skriptunoff <egor.skriptunoff@...>]

On Sat, Aug 10, 2013 at 1:18 AM, Luiz Henrique de Figueiredo <lhf@tecgraf.puc-rio.br> wrote:

> function float_equal(lhs, rhs, epsilon)
>     return math.abs(lhs - rhs) < epsilon
> end

As mentioned before, if you have to do this, you need to use *relative* error,
not absolute error:
      return math.abs(lhs - rhs) < epsilon*rhs

Two zeros will never be equal to each other :-(