def METHOD_NAME():
    """Test that the subnormal is zero warning is not being raised."""
    ld_ma = _discovered_machar(np.longdouble)
    bytes = np.dtype(np.longdouble).itemsize
    with warnings.catch_warnings(record=True) as w:
        warnings.simplefilter("always")
        if (ld_ma.it, ld_ma.maxexp) == (63, 16384) and bytes in (12, 16):
            # 80-bit extended precision
            ld_ma.smallest_subnormal
            assert len(w) == 0
        elif (ld_ma.it, ld_ma.maxexp) == (112, 16384) and bytes == 16:
            # IEE 754 128-bit
            ld_ma.smallest_subnormal
            assert len(w) == 0
        else:
            # Double double
            ld_ma.smallest_subnormal
            # This test may fail on some platforms
            assert len(w) == 0