#5223: [with patch; needs review] silly bug in flint wrapper makes it a factor
of
10 slower for division of a polynomial by an integer
------------------------------+---------------------------------------------
Reporter: was | Owner: burcin
Type: defect | Status: assigned
Priority: major | Milestone: sage-3.4.1
Component: basic arithmetic | Keywords:
------------------------------+---------------------------------------------
Changes (by burcin):
* owner: somebody => burcin
* status: new => assigned
* milestone: sage-3.4.2 => sage-3.4.1
Comment:
Wrong function was called for scalar division in the existing code, so we
returned wrong results if division was not exact. Using
`fmpz_poly_scalar_div_mpz()` fixes this problem and removes the limit on
the size of the divisor. I didn't measure it's effects on speed.
All tests under sage/rings/polynomial pass with
attachment:trac_5223.take2.patch.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5223#comment:5>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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