#17254: Upgrade to Singular-4-0-2
-------------------------------------+-------------------------------------
Reporter: jdemeyer | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-7.3
Component: packages: | Resolution:
standard |
Keywords: | Merged in:
Authors: Jakob Kroeker, | Reviewers:
Jean-Pierre Flori, Jeroen Demeyer |
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/jakobkroeker/tscrim.upgrade_singular-17254|
738fe43d05806edcd1e4f8c8b7dd1b086b9ca7e2
Dependencies: | Stopgaps:
-------------------------------------+-------------------------------------
Changes (by jakobkroeker):
* commit: 9ec51342d57b7b66aa576edca3b1810768f3a593 =>
738fe43d05806edcd1e4f8c8b7dd1b086b9ca7e2
* branch: u/tscrim/upgrade_singular-17254 =>
u/jakobkroeker/tscrim.upgrade_singular-17254
Comment:
Currently I implemented {{{singular_polynomial_deg}}} as follows
to mimic its behaviour as it was with Singular 3.1.7(and older)
{{{
...
cdef long _deg, deg
deg = -1
_deg = -1
if x == NULL:
while p:
_deg = p_WTotaldegree(p,r)
if _deg > deg:
deg = _deg
p = pNext(p)
return deg
...
}}}
The degree-related tests seem to pass now.
Remakr: pDeg() seems not usable/has different behaviour; see
https://groups.google.com/forum/?_escaped_fragment_=topic/libsingular-
devel/dulzKFTF3g8#!topic/libsingular-devel/dulzKFTF3g8 for details.
Further changes: added some missing rComplete() calls (
otherwise prCopyR cannot be used, for instance, see
https://groups.google.com/forum/?_escaped_fragment_=topic/libsingular-
devel/4JRHxVXIF70#!topic/libsingular-devel/4JRHxVXIF70 )
----
New commits:
||[https://git.sagemath.org/sage.git/commit?id=b1e228e55ce1f57532260291a2bc669c8622197a
b1e228e]||{{{replacement for pLDeg from Singular 3 (behaviour of pLDeg
changed in Singular 4)}}}||
||[https://git.sagemath.org/sage.git/commit?id=a511817f07485041f8fc5cb335a939089bf954a6
a511817]||{{{added missing rComplete calls}}}||
||[https://git.sagemath.org/sage.git/commit?id=738fe43d05806edcd1e4f8c8b7dd1b086b9ca7e2
738fe43]||{{{disable short output for Singular}}}||
--
Ticket URL: <https://trac.sagemath.org/ticket/17254#comment:204>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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