def _fixed_np_round(arr, decimals=0, out=None):
    """
    A slightly bugfixed version of np.round().
    """
    if out is not None and arr.dtype.kind == 'c':
        # workaround for https://github.com/numpy/numpy/issues/5779
        _fixed_np_round(arr.real, decimals, out.real)
        _fixed_np_round(arr.imag, decimals, out.imag)
        return out
    else:
        res = np.round(arr, decimals, out)
        if out is None:
            # workaround for https://github.com/numpy/numpy/issues/5780
            def fixup_signed_zero(arg, res):
                if res == 0.0 and arg < 0:
                    return -np.abs(res)
                else:
                    return res
            if isinstance(arr, (complex, np.complexfloating)):
                res = complex(fixup_signed_zero(arr.real, res.real),
                              fixup_signed_zero(arr.imag, res.imag))
            else:
                res = fixup_signed_zero(arr, res)
        return res

    A slightly bugfixed version of np.round().
    
numba/tests/test_array_methods.py