How To Install ann-tools on Ubuntu 22.04

In this tutorial we learn how to install ann-tools on Ubuntu 22.04. ann-tools is Approximate Nearest Neighbor Searching library (tools)

Introduction

In this tutorial we learn how to install ann-tools on Ubuntu 22.04.

What is ann-tools

ann-tools is:

ANN is a library written in C++, which supports data structures and algorithms for both exact and approximate nearest neighbor searching in arbitrarily high dimensions. ANN assumes that distances are measured using any class of distance functions called Minkowski metrics. These include the well known Euclidean distance, Manhattan distance, and max distance. ANN performs quite efficiently for point sets ranging in size from thousands to hundreds of thousands, and in dimensions as high as 20.

This package contains the ann2fig (display ANN output in fig format) and the ann_sample (a sample demonstration for ANN) programs.

There are three methods to install ann-tools 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 ann-tools Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install ann-tools

Install ann-tools Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install ann-tools

Install ann-tools 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 ann-tools using aptitude by running the following command:

sudo aptitude -y install ann-tools

How To Uninstall ann-tools on Ubuntu 22.04

To uninstall only the ann-tools package we can use the following command:

sudo apt-get remove ann-tools

Uninstall ann-tools And Its Dependencies

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

sudo apt-get -y autoremove ann-tools

Remove ann-tools Configurations and Data

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

sudo apt-get -y purge ann-tools

Remove ann-tools configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge ann-tools

References

Summary

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