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@dan-nf
Description
When using a Features() object, arrayfire crashes silently when calling the object's __del__() method if the object's get_xpos() method has already been deleted (or has fallen out of scope).
Potentially due to a similar root case as mentioned in #169 (or due to the changes made as a result of this in commit a9031fb)
Running on Windows; using arrayfire 3.8.0.
Minimum working example:
import arrayfire as af def get_feature_locations(features): # Get x and y positions of features x_pos = features.get_xpos() y_pos = features.get_ypos() # If this is uncommented, the code works as intended # return x_pos, y_pos img = af.randn(d0=500, d1=500) features, descriptors = af.orb(img, threshold=1, max_features=10, num_levels=1) feature_locations = get_feature_locations(features) print("Before delete") del features print("After delete")
Which outputs:
Before delete
Uncommenting line 10 (return x_pos, y_pos) outputs:
Before delete
After delete
Thanks!
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