diff options
Diffstat (limited to 'numpy/ma/extras.py')
| -rw-r--r-- | numpy/ma/extras.py | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/numpy/ma/extras.py b/numpy/ma/extras.py index 51064e831..64a9844cf 100644 --- a/numpy/ma/extras.py +++ b/numpy/ma/extras.py @@ -1278,14 +1278,12 @@ def setdiff1d(ar1, ar2, assume_unique=False): fill_value = 999999) """ - if not assume_unique: + if assume_unique: + ar1 = ma.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 ma.asarray(ar1)[aux == 0] + return ar1[in1d(ar1, ar2, assume_unique=True, invert=True)] #####-------------------------------------------------------------------------- |