#17254: Upgrade to Singular-4-0-2
-------------------------------------+-------------------------------------
Reporter: jdemeyer | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-7.2
Component: packages: | Resolution:
standard | Merged in:
Keywords: | Reviewers:
Authors: Jakob Kroeker, | Work issues:
Jean-Pierre Flori, Jeroen Demeyer | Commit:
Report Upstream: N/A | dca98ec292ca4e782a9e641e61ea92d60089fd09
Branch: | Stopgaps:
u/tscrim/upgrade_singular-17254 |
Dependencies: |
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Comment (by jakobkroeker):
Replying to [comment:149 jpflori]:
> Problem with letterplace algebra:
> {{{
> sage: F.<x> = FreeAlgebra(ZZ, implementation='letterplace')
> sage: x**2
> sage: x**2
> sage: x**2
> }}}
when I compile the recent 'u/jpflori/ticket/17254' or
'u/tscrim/upgrade_singular-17254' with SAGE_DEBUG=yes on my 32 bit
fedora22
{{{
export SAGE_DEBUG=yes
./sage -f singular
}}}
I get an printout from Singular:
{{{
pmLPshift: too big shift requested
}}}
the corresponding Singular source snippet is (look at 'shiftgb.cc')
{{{
if (L+sh-1 > uptodeg)
{
#ifdef PDEBUG
PrintS("pmLPshift: too big shift requested\n");
#endif
return(NULL); /* violation, 2check */
}
}}}
This seems to be a bug, but the next question is, why do we get there and
is this
an error caused by a previous one or not.
--
Ticket URL: <http://trac.sagemath.org/ticket/17254#comment:154>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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