[jira] [Created] (ARROW-2854) [C++/Python] Casting float NaN to int should raise an error on safe cast

["Uwe L. Korn (JIRA)" <ji...@apache.org>]

Uwe L. Korn created ARROW-2854:
----------------------------------

             Summary: [C++/Python] Casting float NaN to int should raise an error on safe cast
                 Key: ARROW-2854
                 URL: https://issues.apache.org/jira/browse/ARROW-2854
             Project: Apache Arrow
          Issue Type: Bug
          Components: C++, Python
    Affects Versions: 0.9.0
            Reporter: Uwe L. Korn
             Fix For: 0.10.0


Currently the following code works:

{code}
pa.array([np.nan, 1.]).cast(pa.int64())
{code}

It produces:

{code}
<pyarrow.lib.Int64Array object at 0x111ca6778>
[
  -9223372036854775808,
  1
]
{code}

The expected behaviour should be that it raises.



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