$ sudo apt-get update
$ sudo apt-get install libatlas-cpp-0.6-1 

libatlas-cpp-0.6-1 is installed in your system.

Make ensure the libatlas-cpp-0.6-1 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libatlas-cpp-0.6-1 *

You will get with libatlas-cpp-0.6-1 package name, version, architecture and description in a table

libatlas-cpp-0.6-1 package basic information: