#4055: [already fixed?] serious bug in polynomial multiplication
----------------------+-----------------------------------------------------
 Reporter:  robertwb  |        Owner:  tbd       
     Type:  defect    |       Status:  new       
 Priority:  blocker   |    Milestone:  sage-3.4.1
Component:  algebra   |   Resolution:            
 Keywords:            |  
----------------------+-----------------------------------------------------
Changes (by AlexGhitza):

 * cc: boothby (added)
  * summary:  serious bug in polynomial multiplication => [already fixed?]
              serious bug in polynomial multiplication

Comment:

 I believe this got fixed by Tom Boothby at Sage Days 12, see #3056.  I'm
 ccing him so he can react.  In any case, this looks fine now:

 {{{
 [ghi...@artin ~]$ sage
 ----------------------------------------------------------------------
 | Sage Version 3.3.alpha2, Release Date: 2009-01-24                  |
 | Type notebook() for the GUI, and license() for information.        |
 ----------------------------------------------------------------------
 sage: sage: R.<x> = RR[]
 sage: sage: (x-1e16)*(x-1e17)
 1.00000000000000*x^2 - 1.10000000000000e17*x + 1.00000000000000e33
 sage: sage: R.<x> = RDF['y']['x']
 sage: sage: (x-1e123)*(x-1e100)
 1.0*x^2 + (-1e+123)*x + 1e+223
 }}}

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4055#comment:1>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of 
Reinventing the Wheel
--~--~---------~--~----~------------~-------~--~----~
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
-~----------~----~----~----~------~----~------~--~---

Reply via email to