8000 DOC: docs for issubdtype doesn't explain why `complex64` is not a subdtype of `complex` or `complex_` · Issue #20259 · numpy/numpy · GitHub
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DOC: docs for issubdtype doesn't explain why complex64 is not a subdtype of complex or complex_#20259
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04 - Documentation
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@david-cortes
david-cortes
opened on Oct 31, 2021

Describe the issue:

Calling issubdtype on a complex64 does not produce the correct output.

Reproduce the code example:

import numpy as np
np.issubdtype(np.array([], dtype="F").dtype, complex)
np.issubdtype(np.array([], dtype="F").dtype, np.complex_)
False
False

Error message:

No response

NumPy/Python version information:

1.21 and current master (1046087)

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