.Float: ClassType
.Float.
    '''
    the real part of a complex number
    '''
    '''japanese
    複素数の実部
    '''
    Real: Float
    '''
    the imaginary part of a complex number
    '''
    '''japanese
    複素数の虚部
    '''
    Imag: Float
    '''
    Return a hexadecimal representation of a floating-point number.
    '''
    '''erg
    assert (100.0).hex() == "0x1.9000000000000p+6"
    assert (12.34).hex() == "0x1.8ae147ae147aep+3"
    '''
    hex: (self: .Float) -> Str
    '''
    Return True if the float is an integer.
    '''
    '''erg
    assert (1.0).is_integer()
    assert not (1.1).is_integer()
    '''
    is_integer: (self: .Float) -> Bool