Data types — NumPy v1.13 Manual - SciPy
NumPy makes the compiler's long double available as np.longdouble (and np.clongdouble for the complex numbers). You can find out what your numpy provides with``np.finfo(np.longdouble)``. NumPy does not provide a dtype with more precision than C long double``s; in particular, the 128-bit IEEE quad precision data type (FORTRAN's ``REAL*16) is ...