With the following code I get a "No matching signature found" error.
Is this a bug?
```
%%cython
cimport cython
ctypedef fused floating:
cython.double
cython.float
def nosignature(floating[:] x, floating[:] myarray = None):
print myarray is None
return x
```
In [39]: nosignature(ones(1, dtype=np.float32), ones(1, dtype=np.float32))
False
Out[39]: <MemoryView of 'ndarray' at 0x937e4d8>
In [40]: nosignature(ones(1, dtype=np.float64), ones(1, dtype=np.float64))
False
Out[40]: <MemoryView of 'ndarray' at 0x937f2d8>
In [41]: nosignature(ones(1, dtype=np.float64))
True
Out[41]: <MemoryView of 'ndarray' at 0x9381258>
In [42]: nosignature(ones(1, dtype=np.float32))
---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
<ipython-input-42-c96cfff67289> in <module>()
----> 1 nosignature(ones(1, dtype=np.float32))
ca9.pyd in ca9.__pyx_fused_cpdef ca9.c:2282)()
TypeError: No matching signature found
Thanks,
Dave
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