How To Install fftw on CentOS 8

fftw is A Fast Fourier Transform library A Fast Fourier Transform library

Introduction

In this tutorial we learn how to install fftw on CentOS 8.

What is fftw

FFTW is a C subroutine library for computing the Discrete Fourier Transform (DFT) in one or more dimensions, of both real and complex data, and of arbitrary input size. fftw 3.3.5 11.el8 x86_64 57 k fftw-3.3.5-11.el8.src.rpm appstream A Fast Fourier Transform library http GPLv2+ FFTW is a C subroutine library for computing the Discrete Fourier Transform (DFT) in one or more dimensions, of both real and complex data, and of arbitrary input size.

We can use yum or dnf to install fftw on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install fftw.

Install fftw on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install fftw using dnf by running the following command:

sudo dnf -y install fftw

Install fftw on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install fftw using yum by running the following command:

sudo yum -y install fftw

How To Uninstall fftw on CentOS 8

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

sudo dnf remove fftw

fftw Package Contents on CentOS 8

/usr/bin/fftw-wisdom
/usr/bin/fftw-wisdom-to-conf
/usr/bin/fftwf-wisdom
/usr/bin/fftwl-wisdom
/usr/bin/fftwq-wisdom
/usr/lib/.build-id
/usr/lib/.build-id/2d
/usr/lib/.build-id/2d/c54ddfdd1d1742abb1c7f31090914e74b0d58b
/usr/lib/.build-id/44
/usr/lib/.build-id/44/83fa06dcfcafb1174831087ea23f77325c8238
/usr/lib/.build-id/84
/usr/lib/.build-id/84/e3a95bdc81f784624212a9a58a58c221b31d8d
/usr/lib/.build-id/d1
/usr/lib/.build-id/d1/6f0f6b2b534682051bf8d3019308dc79792c7c
/usr/share/man/man1/fftw-wisdom-to-conf.1.gz
/usr/share/man/man1/fftw-wisdom.1.gz
/usr/share/man/man1/fftwf-wisdom.1.gz
/usr/share/man/man1/fftwl-wisdom.1.gz
/usr/share/man/man1/fftwq-wisdom.1.gz
/usr/bin/fftw-wisdom
/usr/bin/fftw-wisdom-to-conf
/usr/bin/fftwf-wisdom
/usr/bin/fftwl-wisdom
/usr/bin/fftwq-wisdom
/usr/lib/.build-id
/usr/lib/.build-id/67
/usr/lib/.build-id/67/cc326d0321cb37f9f007ea5b330e99ee529c66
/usr/lib/.build-id/98
/usr/lib/.build-id/98/4f16177ec0072a2d5e3740d7247aa52b748114
/usr/lib/.build-id/bf
/usr/lib/.build-id/bf/a0641f3af63be7a350cca82a9bc6c7e7e8239d
/usr/lib/.build-id/c5
/usr/lib/.build-id/c5/78fa54f96277e0d194f3665892e55aadc47d71
/usr/share/man/man1/fftw-wisdom-to-conf.1.gz
/usr/share/man/man1/fftw-wisdom.1.gz
/usr/share/man/man1/fftwf-wisdom.1.gz
/usr/share/man/man1/fftwl-wisdom.1.gz
/usr/share/man/man1/fftwq-wisdom.1.gz

References

Summary

In this tutorial we learn how to install fftw on CentOS 8 using yum and dnf.