#13786: Fix remaining instances of ArithmeticError: 0^0 is undefined
----------------------------------------------------------+-----------------
Reporter: mjo | Owner:
AlexGhitza
Type: defect | Status:
needs_review
Priority: major | Milestone:
sage-5.8
Component: algebra | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: #13894, #13895, #13897, #13940, #13941 | Stopgaps:
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Changes (by mjo):
* status: new => needs_review
Old description:
> Some of these were fixed in #10772, but a few remain. Find/grep show,
>
> * ./libs/ntl/ntl_lzz_p.pyx
> * ./rings/finite_rings/element_givaro.pyx (#13897)
> * ./rings/finite_rings/integer_mod.pyx (#13894)
> * ./rings/padics/padic_capped_absolute_element.pyx (#13941)
> * ./rings/padics/padic_capped_relative_element.pyx
> * ./rings/padics/padic_fixed_mod_element.pyx
> * ./rings/padics/padic_ZZ_pX_CR_element.pyx
> * ./rings/padics/padic_ZZ_pX_FM_element.pyx
> * ./rings/polynomial/polynomial_modn_dense_ntl.pyx (#13895)
>
> Unless any of these are special (for whatever reason), we should return
> `1` instead from the appropriate ring.
New description:
Some of these were fixed in #10772, but a few remain. Find/grep show,
* ./rings/finite_rings/element_givaro.pyx (#13897)
* ./rings/finite_rings/integer_mod.pyx (#13894)
* ./rings/padics/padic_capped_absolute_element.pyx (#13941)
* ./rings/padics/padic_capped_relative_element.pyx
* ./rings/padics/padic_fixed_mod_element.pyx
* ./rings/padics/padic_ZZ_pX_CR_element.pyx
* ./rings/padics/padic_ZZ_pX_FM_element.pyx
* ./rings/polynomial/polynomial_modn_dense_ntl.pyx (#13895)
Unless any of these are special (for whatever reason), we should return
`1` instead from the appropriate ring.
--
Comment:
Patch is up. I had split them initially to make it easier for
(potentially) multiple reviewers. Thanks for taking a look at all of them.
I've removed ntl_lzz_p.pyx from the list per #13940. This patch should
take care of the remaining four.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13786#comment:11>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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