fplll-tools software package provides Tools to compute LLL-reduction of Euclidian lattices, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install fplll-tools
fplll-tools is installed in your system.
Make ensure the fplll-tools package were installed using the commands given below,
$ sudo dpkg-query -l | grep fplll-tools *
You will get with fplll-tools package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Mathematics |
| Package | fplll-tools |
| Version | 4.0.4-2 |
| Description | Tools to compute LLL-reduction of Euclidian lattices |
| Sub Section | Math |