Method _scalarfunc

numpy/lib/_user_array_impl.py:209–214

(self, func)

        return self._rc(invert(self.array))

    def _scalarfunc(self, func):
        if self.ndim == 0:
            return func(self[0])
        else:
            raise TypeError(
                "only rank-0 arrays can be converted to Python scalars.")

    def __complex__(self):
        return self._scalarfunc(complex)