cl-fftw3 software package provides Common Lisp package for using the FFTW3 library, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) 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 | Ubuntu 14 04 lts trusty tahr |
| Section | Lisp |
| Package | cl-fftw3 |
| Version | 1.0-1 |
| Description | Common Lisp package for using the FFTW3 library |
| Sub Section | Lisp |