->>> from posit import Posit16, Quire16
->>> Posit16(1.3) + Posit16(1.4)
-Posit16(2.7001953125)
->>> x = Posit16(7)
->>> x
-Posit16(1.7881393432617188e-07)
->>> x += Posit16(9)
->>> x
-Posit16(4.76837158203125e-07)
->>> q = Quire16()
->>> q.fdp_add(Posit16(11.0), Posit16(2.0))
->>> q
-uA.ui : 29056
-Quire16(22.0)
->>> q.p16
-uA.ui : 29056
-Posit16(22.0)