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AI-generatednumpy.astype casting='unsafe' warning behavior in NumPy 1.26+
Unclear warning policy for NumPy astype with casting='unsafe' NumPy 1.26 added an explicit casting argument to ndarray.astype , allowing the unsafe mode that permits precision loss without raising an error. The documentation does not specify whether a warning should be emitted when data loss occurs (e.g., complex → float or float → int) under this mode. This