The code below fails on 6.7 with a RuntimeError.
r = 2
C = codes.HammingCode(r, GF(2))
C.minimum_distance()
For r > 5 it seems to hang interminably, while back in November/December
I could do r = 7 in a few seconds, and do r = 10 without waiting too
long.
Does anybody have any information on this one? I didn't locate anything in
Trac or here. I'll make a ticket if nothing interesting surfaces.
Rob
Traceback for r = 2:
Traceback (most recent call last):
<snip>
File "sage/misc/cachefunc.pyx", line 1896, in sage.misc.cachefunc.
CachedMethodCaller.__call__ (build/cythonized/sage/misc/cachefunc.c:11488)
File "sage/misc/cachefunc.pyx", line 2552, in sage.misc.cachefunc.
CachedMethod._instance_call (build/cythonized/sage/misc/cachefunc.c:14934)
File
"/sage/sage-6.7/local/lib/python2.7/site-packages/sage/coding/linear_code.py"
, line 2234, in minimum_distance
return min_wt_vec_gap(Gstr,n,k,F).hamming_weight()
File
"/sage/sage-6.7/local/lib/python2.7/site-packages/sage/coding/linear_code.py"
, line 412, in min_wt_vec_gap
raise RuntimeError("there is a bug here!")
RuntimeError: there is a bug here!
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