(no subject)

[Jon Fairbairn]

On 2003-04-13 at 09:55EDT Eileen Head wrote:
> I have two version of factorial as follows:
> 
> > fac = 1.0: zipWith (*) [1.0 ..] fac
> 
> > fact  = 1.0: [ f | f <- zipWith (*)  [1.. ] fact ]
> 
> Could some explain why does facBad run out of stack memory while fact work
> fine?
> 
> i.e.
> 
> ... > take 5 fact
> [1.0,1.0,2.0,6.0,24.0]
> ...> take 5 facBad
> [1.0
> ERROR - Control stack overflow

Both fac and fact work fine for me in both ghci and
hugs. Are you sure you sent us the right facBad?

  Jón


-- 
Jón Fairbairn                                 Jon.Fairbairn@cl.cam.ac.uk