Re: Parted 1.6.23 - problem with resizing of the extended partition

[K.G.]

On Mon, 1 Aug 2005 14:05:01 +0200 "K.G." <address@hidden> wrote:
> On Mon, 1 Aug 2005 18:41:17 +1000 Andrew Clausen <address@hidden> wrote:
> 
> > On Mon, Aug 01, 2005 at 10:25:55AM +0200, K.G. wrote:
> > > This is exactly the problem i guessed in my previous mail.
> > > There is an off by one error due to FP arith.
> > > 
> > > The equation system should be solved by something like 
> > >   HR1 - hR2 => cyl_size = ( Ha_ - hA_ ) / (Hc - hC )
> > 
> > Have you got time to write a patch, including a patch to the comments?
> > It sounds like you're already on top of the problem... I always find FP
> > issues rather mind-boggling!
> > 
> 
> To achieve maximum security over overflow, I need the maximum size of
> c, h, s, a, in bits,

I'm answering to myself because this one was too easy ;)
So C is 10 bits, H 8 and S 6

Correct me if i'm wrong...

Guillaume