#8109: wrap NTL's lzz_pE and lzz_pEX and use them
----------------------------------+-----------------------------------------
Reporter: ylchapuy | Owner: AlexGhitza
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-4.4
Component: algebra | Keywords: ntl
Author: Yann Laigle-Chapuy | Upstream: N/A
Reviewer: roed | Merged:
Work_issues: |
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Changes (by malb):
* status: needs_review => needs_work
Comment:
I get doctest failures on sage.math:
{{{
sage -t devel/sage/sage/graphs/graph_list.py # 0 doctests failed
sage -t devel/sage/sage/schemes/elliptic_curves/ell_curve_isogeny.py #
Killed/crashed
sage -t devel/sage/sage/libs/ntl/ntl_lzz_pX.pyx # 5 doctests failed
sage -t devel/sage/sage/libs/ntl/ntl_lzz_pEX_linkage.pxi # 3 doctests
failed
}}}
Looks like a 64-bit thing?
{{{
sage -t devel/sage/sage/libs/ntl/ntl_lzz_pEX_linkage.pxi
**********************************************************************
File "/mnt/usb1/scratch/malb/sage-4.3.3/devel/sage-
main/sage/libs/ntl/ntl_lzz_pEX_linkage.pxi", line 178:
sage: (1+a+a^2)*x - (1+x+x^2)
Expected:
1152921504606847008*x^2 + (a^2 + a)*x + 1152921504606847008
Got:
1030*x^2 + (a^2 + a)*x + 1030
**********************************************************************
File "/mnt/usb1/scratch/malb/sage-4.3.3/devel/sage-
main/sage/libs/ntl/ntl_lzz_pEX_linkage.pxi", line 189:
sage: -x
Expected:
1152921504606847008*x
Got:
1030*x
**********************************************************************
File "/mnt/usb1/scratch/malb/sage-4.3.3/devel/sage-
main/sage/libs/ntl/ntl_lzz_pEX_linkage.pxi", line 308:
sage: (a+1+x).xgcd(a+x)
Expected:
(1, 1, 1152921504606847008)
Got:
(1, 1, 1030)
**********************************************************************
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8109#comment:9>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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