Re: galoisinit() bug

[Karim BELABAS <Karim.Belabas@math.u-psud.fr>]

On Wed, 5 Feb 2003, Igor Schein wrote:
> On Wed, Feb 05, 2003 at 12:37:04AM -0500, Igor Schein wrote:
>> ? galoisinit(Pol(subst([1,0,4*x,0,2*x^2+24,0,16*x,0,16],x,10^2589)))
>>   ***   division by zero in R/R
>
> Sorry, it's actually polroots() bug, not galoisinit().

A 'double' underflow in polroots.c:split2() [ exp(-745.) = 0. ]

Fixed. [ of course, at defaut precision, most of the roots are 0. ]

    Karim.
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