#10153: Canonical generator matrices for linear codes and their automorphism
groups
------------------------------+---------------------------------------------
Reporter: tfeulner | Owner: wdj
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.7
Component: coding theory | Keywords: Automorpism group, canonical
representative
Author: Thomas Feulner | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
------------------------------+---------------------------------------------
Comment(by wdj):
I now get the following test failure (on a 10.6.6 mac running
sage-4.7.a1):
{{{
she:sage-4.7.alpha1 davidjoyner$ ./sage -t -force_lib
"devel/sage/sage/coding/linear_code.py"
sage -t -force_lib "devel/sage/sage/coding/linear_code.py"
**********************************************************************
File
"/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/devel/sage/sage/coding/linear_code.py",
line 1860:
sage: G = C.permutation_automorphism_group() # this should take < 5
seconds
Exception raised:
Traceback (most recent call last):
File
"/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/local/bin/ncadoctest.py", line
1231, in run_one_test
self.run_one_example(test, example, filename, compileflags)
File
"/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/local/bin/sagedoctest.py", line
38, in run_one_example
OrigDocTestRunner.run_one_example(self, test, example, filename,
compileflags)
File
"/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/local/bin/ncadoctest.py", line
1172, in run_one_example
compileflags, 1) in test.globs
File "<doctest __main__.example_42[11]>", line 1, in <module>
G = C.permutation_automorphism_group() # this should take < 5
seconds###line 1860:
sage: G = C.permutation_automorphism_group() # this should take < 5
seconds
File "/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/local/lib/python
/site-packages/sage/misc/decorators.py", line 573, in wrapper
return func(*args, **kwds)
File "/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/local/lib/python
/site-packages/sage/coding/linear_code.py", line 1949, in
permutation_automorphism_group
MS = MatrixSpace(F,len(Cwt),n)
NameError: global name 'Cwt' is not defined
**********************************************************************
File
"/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/devel/sage/sage/coding/linear_code.py",
line 1861:
sage: G.is_isomorphic(M11) # this should take < 5
seconds
Expected:
True
Got:
False
**********************************************************************
File
"/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/devel/sage/sage/coding/linear_code.py",
line 1875:
sage: C.permutation_automorphism_group(algorithm="partition")
Exception raised:
Traceback (most recent call last):
File
"/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/local/bin/ncadoctest.py", line
1231, in run_one_test
self.run_one_example(test, example, filename, compileflags)
File
"/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/local/bin/sagedoctest.py", line
38, in run_one_example
OrigDocTestRunner.run_one_example(self, test, example, filename,
compileflags)
File
"/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/local/bin/ncadoctest.py", line
1172, in run_one_example
compileflags, 1) in test.globs
File "<doctest __main__.example_42[17]>", line 1, in <module>
C.permutation_automorphism_group(algorithm="partition")###line
1875:
sage: C.permutation_automorphism_group(algorithm="partition")
File "/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/local/lib/python
/site-packages/sage/misc/decorators.py", line 573, in wrapper
return func(*args, **kwds)
File "/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/local/lib/python
/site-packages/sage/coding/linear_code.py", line 1949, in
permutation_automorphism_group
MS = MatrixSpace(F,len(Cwt),n)
NameError: global name 'Cwt' is not defined
**********************************************************************
File
"/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/devel/sage/sage/coding/linear_code.py",
line 1879:
sage: C.permutation_automorphism_group(algorithm="partition")
Exception raised:
Traceback (most recent call last):
File
"/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/local/bin/ncadoctest.py", line
1231, in run_one_test
self.run_one_example(test, example, filename, compileflags)
File
"/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/local/bin/sagedoctest.py", line
38, in run_one_example
OrigDocTestRunner.run_one_example(self, test, example, filename,
compileflags)
File
"/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/local/bin/ncadoctest.py", line
1172, in run_one_example
compileflags, 1) in test.globs
File "<doctest __main__.example_42[19]>", line 1, in <module>
C.permutation_automorphism_group(algorithm="partition")###line
1879:
sage: C.permutation_automorphism_group(algorithm="partition")
File "/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/local/lib/python
/site-packages/sage/misc/decorators.py", line 573, in wrapper
return func(*args, **kwds)
File "/Volumes/Bay2/sagefiles2/sage-4.7.alpha1/local/lib/python
/site-packages/sage/coding/linear_code.py", line 1949, in
permutation_automorphism_group
MS = MatrixSpace(F,len(Cwt),n)
NameError: global name 'Cwt' is not defined
**********************************************************************
1 items had failures:
4 of 22 in __main__.example_42
***Test Failed*** 4 failures.
For whitespace errors, see the file
/Users/davidjoyner/.sage//tmp/.doctest_linear_code.py
[17.4 s]
----------------------------------------------------------------------
The following tests failed:
sage -t -force_lib "devel/sage/sage/coding/linear_code.py"
Total time for all tests: 17.4 seconds
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10153#comment:9>
Sage <http://www.sagemath.org>
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