#3056: [with patch, needs review] bug with polynomials over power series
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Reporter: kedlaya | Owner: roed
Type: defect | Status: new
Priority: major | Milestone: sage-3.4.1
Component: basic arithmetic | Resolution:
Keywords: polynomials, power series, Karatsuba |
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Changes (by boothby):
* summary: bug with polynomials over power series => [with patch, needs
review] bug with polynomials over power series
Comment:
Changes doctests to reflect classical multiplication used instead of
karatsuba. Note that in every case (with possible exception of the test
in padics/pow_computer_ext.pyx), the result is better (higher precision
when inexact; simpler form when exact). In the case of
padics/pow_computer_ext.pyx, it is unclear that the original was correct
to any reasonable precision. David Roe seemed to think that this was ok.
Also, I added the test that presented this problem to the doctests of
polynomial_element.__mul__
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/3056#comment:4>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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