#7931: Improved nth root for finite fields and integer_mods
-------------------------------+--------------------------------------------
Reporter: roed | Owner: roed
Type: enhancement | Status: needs_info
Priority: major | Milestone: sage-4.6
Component: algebra | Keywords: finite fields, nth root
Author: David Roe | Upstream: N/A
Reviewer: Paul Zimmermann | Merged:
Work_issues: |
-------------------------------+--------------------------------------------
Changes (by zimmerma):
* status: needs_review => needs_info
* reviewer: => Paul Zimmermann
Comment:
I tried applying both patches in sage-4.6.alpha1, but got a failure when
running sage -br:
{{{
python `which cython` --embed-positions --directive cdivision=True
-I/tmp/sage-4.6.alpha1/devel/sage-7931 -o
sage/rings/finite_rings/element_ntl_gf2e.cpp
sage/rings/finite_rings/element_ntl_gf2e.pyx
Error converting Pyrex file to C:
------------------------------------------------------------
...
if PY_TYPE_CHECK(e, int) \
or PY_TYPE_CHECK(e, long) or PY_TYPE_CHECK(e, Integer):
GF2E_conv_long(res.x,int(e))
return res
if PY_TYPE_CHECK(e, FiniteFieldElement) or \
^
------------------------------------------------------------
/tmp/sage-4.6.alpha1/devel/sage-7931/sage/rings/finite_rings/element_ntl_gf2e.pyx:515:46:
undeclared name not builtin: FiniteFieldElement
Error running command, failed with status 256.
sage: There was an error installing modified sage library code.
}}}
Which version was used to produce the patches?
Paul
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7931#comment:16>
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