#17559: Incorrect caching of variables' latex_name attribute
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Reporter: wonder | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.5
Component: symbolics | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by kcrisman):
According to the sage-support thread in question, perhaps the more recent
bug is different
{{{
The problem above is caused by sage reusing
"already existing variables" in the symbol function
in sage/symbolic/ring.pyx. This "fixes" the above bug:
diff --git a/src/sage/symbolic/ring.pyx b/src/sage/symbolic/ring.pyx
index f87f622..6972018 100644
--- a/src/sage/symbolic/ring.pyx
+++ b/src/sage/symbolic/ring.pyx
@@ -555,7 +555,7 @@ cdef class SymbolicRing(CommutativeRing):
e = pynac_symbol_registry.get(name)
# fast path to get an already existing variable
- if e is not None:
+ if False: # e is not None:
if domain is None:
if latex_name is None:
return e
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/17559#comment:5>
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