#12876: Fix element and parent classes of Hom categories to be abstract, and
simplify the Hom logic.
--------------------------------------------------+-------------------------
Reporter: nthiery | Owner: nthiery
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-5.4
Component: categories | Resolution:
Keywords: categories, Hom | Work issues: Understand
why the crash in infinite_polynomial_ring is not fixed and what happens with r
Report Upstream: N/A | Reviewers: Simon King
Authors: Nicolas M. Thiéry | Merged in:
Dependencies: #11521, #12215, #12313, #13412 | Stopgaps:
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Comment (by SimonKing):
I tried to stress-test my machine, running 16 copies of the
infinite_polynomial_ring tests in parallel on only 4 kernels, but I was
not able to reproduce the segfault.
Concerning the other error, perhaps one can add the following patch:
{{{
#!patch
diff --git a/sage/interfaces/r.py b/sage/interfaces/r.py
--- a/sage/interfaces/r.py
+++ b/sage/interfaces/r.py
@@ -1166,7 +1166,7 @@
::
- sage: os.path.realpath(tmpdir) == sageobj(r.getwd())
+ sage: os.path.realpath(tmpdir) ==
os.path.realpath(sageobj(r.getwd()))
True
"""
self.execute('setwd(%r)' % dir)
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12876#comment:85>
Sage <http://www.sagemath.org>
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