[NumpyVectorArray] fix data in presence of shallow copies

pymor · Nov 29, 2016 · aadb662 · aadb662
1 parent 326e0cb
commit aadb662
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/pymor/vectorarrays/numpy.py b/src/pymor/vectorarrays/numpy.py
@@ -78,6 +78,8 @@ def make_array(cls, subtype=None, count=0, reserve=0):
 
     @property
     def data(self):
+        if self._refcount[0] > 1:
+            self._deep_copy()
         return self._array[:self._len]
 
     @property