Test whether all data array elements evaluate to True.
Performs a logical and over the data array and returns the result. Masked values are considered as True during computation.
| Returns : |
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Examples
>>> print d.array
[[0 3 0]]
>>> d.all()
False
>>> print d.array
[[1 3 --]]
>>> d.all()
True
>>> print d.array
[[-- -- --]]
>>> d.all()
True