How To Install sfftw2 on Ubuntu 18.04

In this tutorial we learn how to install sfftw2 on Ubuntu 18.04. sfftw2 is library for computing Fast Fourier Transforms

Introduction

In this tutorial we learn how to install sfftw2 on Ubuntu 18.04.

What is sfftw2

sfftw2 is:

This library computes Fast Fourier Transforms (FFT) in one or more dimensions. It is extremely fast. This package contains the shared library version of the fftw libraries in single precision.

To get the static library and the header files you need to install sfftw-dev.

For documentation and test programs, install fftw-docs

There are three methods to install sfftw2 on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install sfftw2 Using apt-get

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

sudo apt-get update

After updating apt database, We can install sfftw2 using apt-get by running the following command:

sudo apt-get -y install sfftw2

Install sfftw2 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install sfftw2 using apt by running the following command:

sudo apt -y install sfftw2

Install sfftw2 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 sfftw2 using aptitude by running the following command:

sudo aptitude -y install sfftw2

How To Uninstall sfftw2 on Ubuntu 18.04

To uninstall only the sfftw2 package we can use the following command:

sudo apt-get remove sfftw2

Uninstall sfftw2 And Its Dependencies

To uninstall sfftw2 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove sfftw2

Remove sfftw2 Configurations and Data

To remove sfftw2 configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge sfftw2

Remove sfftw2 configuration, data, and all of its dependencies

We can use the following command to remove sfftw2 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge sfftw2

References

Summary

In this tutorial we learn how to install sfftw2 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.