Vitja Makarov, 29.05.2011 10:11:
2011/5/28 Stefan Behnel:
Stefan Behnel, 28.05.2011 18:06:
Let's see how much of Sage we break.
... quite a bit. From a superficial glance, there seem to be some real bugs,
Bugs in Sage, to be clear.
but most of the failures and warnings are most likely just uninitialised
variables that are expected to be None.
https://sage.math.washington.edu:8091/hudson/view/All/job/sage-build/740/consoleFull
I've started new branch called control_flow_fixes.
I think you can safely apply the subsequent fixes to the master branch, now
that the feature is in. That will also give you broader feedback from Jenkins.
I've fixed the issue with RaiseStatNode. And unused variables that
were not assigned or referenced now you get correct message.
Cool.
And I started to look inside sage problems.
Error compiling Cython file:
------------------------------------------------------------
...
# allow lambda functions
if self._nrows==0 or self._ncols==0:
return self.__copy__()
v = [z.derivative(var) for z in self.list()]
if R is None:
^
------------------------------------------------------------
sage/matrix/matrix_dense.pyx:451:13: local variable 'R' referenced
before assignment
I've looked into the sources and I think as cython is right here. 'R'
is allways NULL at that point.
Yes, that's one of the things I meant. It looked like a Sage bug right away.
Stefan
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