#17175: Replace some __cmp__() by rich comparison
-------------------------------------+-------------------------------------
Reporter: aapitzsch | Owner:
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.4
Component: misc | Resolution:
Keywords: | Merged in:
Authors: André Apitzsch | Reviewers: R. Andrew Ohana
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/aapitzsch/ticket/17175 | 8e6a4890f80a9cbab620a777495dd7ac27d81d5d
Dependencies: | Stopgaps:
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Comment (by aapitzsch):
Removing {{{__ne__}}} from {{{sage.combinat.root_system.type_reducible}}}
raises doctest errors like
{{{
sage -t src/sage/combinat/root_system/branching_rules.py
**********************************************************************
File "src/sage/combinat/root_system/branching_rules.py", line 667, in
sage.combinat.root_system.branching_rules.branch_weyl_character
Failed example:
F4(0,0,1,0).branch(G2xA1,rule="miscellaneous")
Exception raised:
Traceback (most recent call last):
File "/opt/sage/local/lib/python2.7/site-
packages/sage/doctest/forker.py", line 488, in _run
self.compile_and_execute(example, compiler, test.globs)
File "/opt/sage/local/lib/python2.7/site-
packages/sage/doctest/forker.py", line 851, in compile_and_execute
exec(compiled, globs)
File "<doctest
sage.combinat.root_system.branching_rules.branch_weyl_character[130]>",
line 1, in <module>
F4(Integer(0),Integer(0),Integer(1),Integer(0)).branch(G2xA1,rule="miscellaneous")
File "/opt/sage/local/lib/python2.7/site-
packages/sage/combinat/root_system/weyl_characters.py", line 1103, in
branch
return
sage.combinat.root_system.branching_rules.branch_weyl_character(self,
self.parent(), S, rule=rule)
File "/opt/sage/local/lib/python2.7/site-
packages/sage/combinat/root_system/branching_rules.py", line 985, in
branch_weyl_character
raise ValueError("rule has wrong target Cartan type")
ValueError: rule has wrong target Cartan type
}}}
We should keep it for now and check again when all {{{__cmp__()}}} have
been removed.
--
Ticket URL: <http://trac.sagemath.org/ticket/17175#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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