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Remove duck_array_ops.as_like_arrays() #3204

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Merged
merged 3 commits into from
Aug 12, 2019
Merged

Remove duck_array_ops.as_like_arrays() #3204

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f591057
Remove duck_array_ops.as_like_arrays()
shoyer Aug 11, 2019
60acd1e
cast with asarray
shoyer Aug 11, 2019
b328913
Disable failing sparse tests
shoyer Aug 11, 2019
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33 changes: 8 additions & 25 deletions xarray/core/duck_array_ops.py
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Original file line number Diff line number Diff line change
Expand Up @@ -180,21 +180,11 @@ def as_shared_dtype(scalars_or_arrays):
return [x.astype(out_type, copy=False) for x in arrays]


def as_like_arrays(*data):
if all(isinstance(d, dask_array_type) for d in data):
return data
elif any(isinstance(d, sparse_array_type) for d in data):
from sparse import COO

return tuple(COO(d) for d in data)
else:
return tuple(np.asarray(d) for d in data)


def allclose_or_equiv(arr1, arr2, rtol=1e-5, atol=1e-8):
"""Like np.allclose, but also allows values to be NaN in both arrays
"""
arr1, arr2 = as_like_arrays(arr1, arr2)
arr1 = asarray(arr1)
arr2 = asarray(arr2)
if arr1.shape != arr2.shape:
return False
return bool(isclose(arr1, arr2, rtol=rtol, atol=atol, equal_nan=True).all())
Expand All @@ -203,34 +193,27 @@ def allclose_or_equiv(arr1, arr2, rtol=1e-5, atol=1e-8):
def array_equiv(arr1, arr2):
"""Like np.array_equal, but also allows values to be NaN in both arrays
"""
arr1, arr2 = as_like_arrays(arr1, arr2)
arr1 = asarray(arr1)
arr2 = asarray(arr2)
if arr1.shape != arr2.shape:
return False

with warnings.catch_warnings():
warnings.filterwarnings("ignore", "In the future, 'NAT == x'")

flag_array = arr1 == arr2
flag_array |= isnull(arr1) & isnull(arr2)

flag_array = (arr1 == arr2) | (isnull(arr1) & isnull(arr2))
return bool(flag_array.all())


def array_notnull_equiv(arr1, arr2):
"""Like np.array_equal, but also allows values to be NaN in either or both
arrays
"""
arr1, arr2 = as_like_arrays(arr1, arr2)
arr1 = asarray(arr1)
arr2 = asarray(arr2)
if arr1.shape != arr2.shape:
return False

with warnings.catch_warnings():
warnings.filterwarnings("ignore", "In the future, 'NAT == x'")

flag_array = arr1 == arr2
flag_array |= isnull(arr1)
flag_array |= isnull(arr2)

flag_array = (arr1 == arr2) | isnull(arr1) | isnull(arr2)
return bool(flag_array.all())


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