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numpy.ma.make_mask_descr(ndtype)
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Construct a dtype description list from a given dtype.
Returns a new dtype object, with the type of all fields in
ndtype
to a boolean type. Field names are not altered.Parameters: ndtype : dtype
The dtype to convert.
Returns: result : dtype
A dtype that looks like
ndtype
, the type of all fields is boolean.Examples
>>> import numpy.ma as ma >>> dtype = np.dtype({'names':['foo', 'bar'], 'formats':[np.float32, np.int]}) >>> dtype dtype([('foo', '<f4'), ('bar', '<i4')]) >>> ma.make_mask_descr(dtype) dtype([('foo', '|b1'), ('bar', '|b1')]) >>> ma.make_mask_descr(np.float32) <type 'numpy.bool_'>
numpy.ma.make_mask_descr()
2017-01-10 18:15:26
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