On Sep 7, 2009, at 10:51 AM, Philip Smith wrote:
> Hi
>
> I am relatively new to Cython but making good progress I think.
> However I have the following code (skeleton) related to a library
> I’m wrapping:
>
[code]
> This compiles absolutely fine (under Mingw) but crashes at runtime.
>
> Any ideas?
>
Sorry no ones's gotten back to you yet. I'm not sure what the issue
is, it works fine on OS X (see code below). Perhaps you should be
checking for None in your __iadd__?
- Robert
cdef class Foo:
cdef int i
def __init__(self, i):
self.i = i
def __repr__(self):
return "Foo(%s)" % self.i
def __iadd__(self, Foo other not None):
self.i += other.i
return self
cdef class Foo2(object):
cdef Foo attribute
def __init__(self, Foo a):
self.attribute = a
def __iadd__(self, Foo2 other not None):
self.attribute+=other.attribute #This is
defined in class foo and works fine there
return self
def __repr__(self):
return "Foo2(%s)" % self.attribute
sage: from add import Foo, Foo2
sage: a = Foo2(Foo(3)); a
Foo2(Foo(3))
sage: b = Foo2(Foo(4)); b
Foo2(Foo(4))
sage: a += b
sage: a
Foo2(Foo(7))
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