#17254: Upgrade to Singular-4-0-1
-------------------------------------+-------------------------------------
Reporter: jdemeyer | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.4
Component: packages: | Resolution:
standard | Merged in:
Keywords: | Reviewers:
Authors: | Work issues:
Report Upstream: N/A | Commit:
Branch: | 3a512cd7e08e21a4a4e66bfe9179290601717ba0
u/jakobkroeker/ticket.17254.squashed| Stopgaps:
Dependencies: |
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Comment (by john_perry):
Replying to [comment:56 john_perry]:
> '''Meanwhile''', I discovered some memory-related bugs in the patch. For
instance, ring.pyx has the line
> {{{
> assert( exponent == base_ring.degree() )
> }}}
> which causes a failure. I'm not sure why those should be equal (the test
I used had `Zmod(2^3)` where `exponent==3` and `base_ring.degree()==1`)...
To wit, the source code for `base_ring.degree()` is, in total,
{{{
def degree(self):
"""
Return 1.
EXAMPLE::
sage: R = Integers(12345678900)
sage: R.degree()
1
"""
return integer.Integer(1)
}}}
I don't know what is meant by the degree of a ring here, so I'll need
guidance. For now I've commented it out.
--
Ticket URL: <http://trac.sagemath.org/ticket/17254#comment:57>
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