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Description
When using aFeatures() object, arrayfire crashes silently when calling the object's__del__() method if the object'sget_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 commita9031fb)
Running on Windows; using arrayfire 3.8.0.
Minimum working example:
importarrayfireasafdefget_feature_locations(features):# Get x and y positions of featuresx_pos=features.get_xpos()y_pos=features.get_ypos()# If this is uncommented, the code works as intended# return x_pos, y_posimg=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")delfeaturesprint("After delete")
Which outputs:
Before deleteUncommenting line 10 (return x_pos, y_pos) outputs:
Before deleteAfter deleteThanks!
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