How To Install libfftw3-3 on Ubuntu 22.04

In this tutorial we learn how to install libfftw3-3 on Ubuntu 22.04. libfftw3-3 is Library for computing Fast Fourier Transforms

Introduction

In this tutorial we learn how to install libfftw3-3 on Ubuntu 22.04.

What is libfftw3-3

libfftw3-3 is:

The FFTW library computes Fast Fourier Transforms (FFT) in one or more dimensions. It is extremely fast. This package is a transitional package depending on the packages containing the single and double precision libraries.

To get the static library and the header files, you need to install libfftw3-dev. For documentation, see libfftw3-doc.

There are three methods to install libfftw3-3 on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libfftw3-3 Using apt-get

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

sudo apt-get update

After updating apt database, We can install libfftw3-3 using apt-get by running the following command:

sudo apt-get -y install libfftw3-3

Install libfftw3-3 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libfftw3-3 using apt by running the following command:

sudo apt -y install libfftw3-3

Install libfftw3-3 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 libfftw3-3 using aptitude by running the following command:

sudo aptitude -y install libfftw3-3

How To Uninstall libfftw3-3 on Ubuntu 22.04

To uninstall only the libfftw3-3 package we can use the following command:

sudo apt-get remove libfftw3-3

Uninstall libfftw3-3 And Its Dependencies

To uninstall libfftw3-3 and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:

sudo apt-get -y autoremove libfftw3-3

Remove libfftw3-3 Configurations and Data

To remove libfftw3-3 configuration and data from Ubuntu 22.04 we can use the following command:

sudo apt-get -y purge libfftw3-3

Remove libfftw3-3 configuration, data, and all of its dependencies

We can use the following command to remove libfftw3-3 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libfftw3-3

References

Summary

In this tutorial we learn how to install libfftw3-3 package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.