How To Install fftw-dev on Ubuntu 20.04

In this tutorial we learn how to install fftw-dev on Ubuntu 20.04. fftw-dev is library for computing Fast Fourier Transforms

Introduction

In this tutorial we learn how to install fftw-dev on Ubuntu 20.04.

What is fftw-dev

fftw-dev is:

This library computes FFTs in one or more dimensions. It is extremely fast. This package contains the statically linked library and the header files.

There are three methods to install fftw-dev on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install fftw-dev Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install fftw-dev using apt-get by running the following command:

sudo apt-get -y install fftw-dev

Install fftw-dev Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install fftw-dev using apt by running the following command:

sudo apt -y install fftw-dev

Install fftw-dev Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install fftw-dev using aptitude by running the following command:

sudo aptitude -y install fftw-dev

How To Uninstall fftw-dev on Ubuntu 20.04

To uninstall only the fftw-dev package we can use the following command:

sudo apt-get remove fftw-dev

Uninstall fftw-dev And Its Dependencies

To uninstall fftw-dev and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove fftw-dev

Remove fftw-dev Configurations and Data

To remove fftw-dev configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge fftw-dev

Remove fftw-dev configuration, data, and all of its dependencies

We can use the following command to remove fftw-dev configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge fftw-dev

References

Summary

In this tutorial we learn how to install fftw-dev package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.