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generic numpy.polynomial classes #232
Description
It currently isn't narrow enough to be able to be passed to e.g. scipy.optimize.minimize_scalar, which requires a (float64) -> float64 or (float) -> float callable. See scipy/scipy-stubs#465 (comment) for more details.
This requires knowing the dtype of the coefficients, so the polynomial classes should be made generic.
Activity
[-]narrow the `__call__` return type of the `numpy.polynomial` classes[/-][+]generic `numpy.polynomial` classes[/+]