[Numpy-discussion] Type checking inconsistency

Pauli Virtanen pav@iki...
Sun Oct 16 11:49:16 CDT 2011


(16.10.2011 18:39), Tony Yu wrote:
>  >>> import numpy as np
>  >>> a = np.arange(10)
>  >>> b = np.ones(10, dtype=np.uint8)
>
> # this runs without error
>  >>> b[:5] = a[:5]
>
>  >>> mask = a < 5
>  >>> b[mask] = b[mask]
> TypeError: array cannot be safely cast to required type

Seems to be fixed in Git master

 >>> import numpy as np
 >>> a = np.arange(10)
 >>> b = np.ones(10, dtype=np.uint8)
 >>> mask = a < 5
 >>> b[mask] = b[mask]
 >>> b[mask] = a[mask]
 >>> np.__version__
'2.0.0.dev-1dc1877'

-- 
Pauli Virtanen



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