From: Sam Kong <sam.s.kong@...>
Date: 2009-10-06T05:15:04+09:00
Subject: Re: BigDecimal to float error

On Oct 5, 1:02 pm, Sam Kong <sam.s.k...@gmail.com> wrote:
> Hi,
>
> I found a weird problem.
>
> In ruby 1.8.5, I get the following result in irb.
>
> BigDecimal.new("86.02").to_f #=> 86.2
>
> I don't know if this is a ruby bug or machine bug.
> In ruby 1.8.6 on a different machine, it's ok.
>
> Is this a known issue?
>
> Sam

I narrowed down the problem.
It has nothing to do with converting to float.

irb(main):023:0> BigDecimal.new("1.0234")
=> #<BigDecimal:b7efb05c,'0.1234E1',8(12)>

The internal representation is wrong.

Will upgrading ruby fix this problem?