cl-fftw3 software package provides Common Lisp package for using the FFTW3 library, 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 cl-fftw3
cl-fftw3 is installed in your system.
Make ensure the cl-fftw3 package were installed using the commands given below,
$ sudo dpkg-query -l | grep cl-fftw3 *
You will get with cl-fftw3 package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Lisp |
| Package | cl-fftw3 |
| Version | 1.0-1 |
| Description | Common Lisp package for using the FFTW3 library |
| Sub Section | Lisp |