docs: def agm(x, y, context=None):
      """
      Return the arithmetic geometric mean of x and y.
  
      """
      return _apply_function_in_current_context(
          BigFloat,
          mpfr.mpfr_agm,
          (
              BigFloat._implicit_convert(x),
              BigFloat._implicit_convert(y),
          ),
          context,
      )