#12718: polynomial substitution overflow hell (libsingular bug?)
-------------------------------------+-------------------------------------
Reporter: was | Owner: malb
Type: defect | Status: needs_work
Priority: critical | Milestone: sage-6.3
Component: commutative | Resolution:
algebra | Merged in:
Keywords: sd59 | Reviewers: Volker Braun, William
Authors: Martin Albrecht | Stein
Report Upstream: N/A | Work issues:
Branch: u/malb/trac_12718 | Commit:
Dependencies: | 18ddc6dec77d39d764dcaa9fbdbe91adf02bfbbc
| Stopgaps:
-------------------------------------+-------------------------------------
Changes (by git):
* commit: 3e8a09e700d9a83f84e1c2085818d6aea81b1515 =>
18ddc6dec77d39d764dcaa9fbdbe91adf02bfbbc
Comment:
Branch pushed to git repo; I updated commit sha1. New commits:
||[http://git.sagemath.org/sage.git/commit/?id=a35f3d18c57f087e99419ee47d89f4e170c2d23b
a35f3d1]||{{{catch overflows in f.subs() where f is a libsingular
polynomial}}}||
||[http://git.sagemath.org/sage.git/commit/?id=4dfd3934026ce570573856f5b4dee2b610be129b
4dfd393]||{{{Merge branch 'develop' into trac_12718}}}||
||[http://git.sagemath.org/sage.git/commit/?id=c9a1ebcc33f1aaf1fbc2147de1a639f2c550ecb2
c9a1ebc]||{{{fixed SIGSEGV when calling subs on 0}}}||
||[http://git.sagemath.org/sage.git/commit/?id=38c07da8745a467c2669ee70adab4e5fbb927876
38c07da]||{{{shut up Cython warnings about complicated declarations}}}||
||[http://git.sagemath.org/sage.git/commit/?id=5f84119d5175b06e44221e1ed7639237ab00853d
5f84119]||{{{fixed some doctest failures}}}||
||[http://git.sagemath.org/sage.git/commit/?id=18ddc6dec77d39d764dcaa9fbdbe91adf02bfbbc
18ddc6d]||{{{we still need to run subst if self == 0 to allow ring
changes}}}||
--
Ticket URL: <http://trac.sagemath.org/ticket/12718#comment:25>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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