issues: 46745063

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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
46745063 MDU6SXNzdWU0Njc0NTA2Mw== 264 align silently upcasts data arrays when NaNs are inserted 291576 closed 0     2 2014-10-24T14:36:20Z 2014-10-28T06:47:38Z 2014-10-28T06:47:38Z CONTRIBUTOR      

The NaNs being inserted during the join is irrespective of the dtype of the array.

import numpy as np import xray x1 = np.arange(30) x2 = np.arange(5, 35) a = xray.DataArray(np.random.random((30,)).astype('f32'), {'x': x1}) b = xray.DataArray(np.random.random((30,)).astype('f32'), {'x': x2}) c, d = xray.align(a, b, join='outer') print c.dtype

The output is float64.

 
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   completed 13221727 issue

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