#13033: Conversion PARI -> RR fails for large exponents
------------------------------+---------------------------------------------
Reporter: jdemeyer | Owner: was
Type: defect | Status: new
Priority: major | Milestone: sage-5.1
Component: interfaces | Resolution:
Keywords: sd40.5 | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
------------------------------+---------------------------------------------
Changes (by jdemeyer):
* cc: zimmerma (added)
Old description:
> {{{
> sage: a = pari(10^6).erfc()
> sage: a
> 3.15934761259943 E-434294481910
> sage: a.debug()
> [&=0000000000f84d10] REAL(lg=3):0400000000000003
> (+,expo=-1442695040910):5ffffeb018acb072 9b56c6d11005bdc3
> sage: RR(a)
> 5.64243263573681e124617551
> }}}
>
> The exponent changed from -434294481910 to 124617551.
New description:
{{{
sage: a = pari(10^6).erfc()
sage: a
3.15934761259943 E-434294481910
sage: a.debug()
[&=0000000000f84d10] REAL(lg=3):0400000000000003
(+,expo=-1442695040910):5ffffeb018acb072 9b56c6d11005bdc3
sage: RR(a)
5.64243263573681e124617551
}}}
The exponent changed from `-434294481910` to `124617551`.
--
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13033#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
--
You received this message because you are subscribed to the Google Groups
"sage-trac" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to
[email protected].
For more options, visit this group at
http://groups.google.com/group/sage-trac?hl=en.
