$ sudo apt-get update
$ sudo apt-get install libcwnn0 

libcwnn0 is installed in your system.

Make ensure the libcwnn0 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libcwnn0 *

You will get with libcwnn0 package name, version, architecture and description in a table

libcwnn0 package basic information: