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authorJaime <jaime.frio@gmail.com>2015-05-07 06:40:26 -0700
committerJaime <jaime.frio@gmail.com>2015-05-07 06:40:26 -0700
commit21932fbfc217b4a8bc547fa267ea5597d7dcb59b (patch)
tree2dcd7fc81806b6864c34d57930348dc9da6121a1 /numpy/lib/arraysetops.py
parent6bb8c0d46739d6d9bb23cb48670519d7eb620d4d (diff)
parentc05019eda16477f4be99f47755362c07e1acb5b8 (diff)
downloadnumpy-21932fbfc217b4a8bc547fa267ea5597d7dcb59b.tar.gz
Merge pull request #5847 from christianbrodbeck/fix/setdiff1d
BUG: setdiff1d return type Fixes 5846
Diffstat (limited to 'numpy/lib/arraysetops.py')
-rw-r--r--numpy/lib/arraysetops.py10
1 files changed, 4 insertions, 6 deletions
diff --git a/numpy/lib/arraysetops.py b/numpy/lib/arraysetops.py
index 7776d7e76..3dd97aecf 100644
--- a/numpy/lib/arraysetops.py
+++ b/numpy/lib/arraysetops.py
@@ -470,11 +470,9 @@ def setdiff1d(ar1, ar2, assume_unique=False):
array([1, 2])
"""
- if not assume_unique:
+ if assume_unique:
+ ar1 = np.asarray(ar1).ravel()
+ else:
ar1 = unique(ar1)
ar2 = unique(ar2)
- aux = in1d(ar1, ar2, assume_unique=True)
- if aux.size == 0:
- return aux
- else:
- return np.asarray(ar1)[aux == 0]
+ return ar1[in1d(ar1, ar2, assume_unique=True, invert=True)]