>>> from funcmat import g

>>> print(round(g(0.0), 4))
-48.0
>>> print(round(g(7.0), 4))
11.5
>>> print(round(g(1.2345), 4))
-24.527
>>> print(round(g(-123.45), 4))
-317311.8987
>>> print(round(g(2.222), 4))
-11.2496