How To Install libtommath-docs on Ubuntu 18.04

In this tutorial we learn how to install libtommath-docs on Ubuntu 18.04. libtommath-docs is multiple-precision integer library [documentation]

Introduction

In this tutorial we learn how to install libtommath-docs on Ubuntu 18.04.

What is libtommath-docs

libtommath-docs is:

LibTomMath is a C language library that provides a vast array of highly optimized functions for number theory; including:

  • Simple Algebra (Addition, Subtraction, Multiplication, Division)
  • Digit Manipulation (shift, binary AND/OR/XOR)
  • Modular Reduction (Barrett, Montgomery, DR, 2k)
  • Number Theory
    • Greatest Common Divisor
    • Least Common Multiple
    • Jacobi Symbol Computation
    • Multiplicative Inverse
    • Modular Exponentiation
    • Fermat & Miller-Rabin Primality Tests
  • Miscellaneous
    • Root finding over Z
    • Pseudo-random integers
    • Signed & Unsigned comparisons
    • Karatsuba and Toom-Cook multiplication algorithms
    • Fast Comba based Multiplier, Squaring and Montgomery routines

This package contains the documentation for the LibTomMath library including the user manual and a book describing multiple-precision math.

There are three methods to install libtommath-docs 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 libtommath-docs Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install libtommath-docs

Install libtommath-docs Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install libtommath-docs

Install libtommath-docs 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 libtommath-docs using aptitude by running the following command:

sudo aptitude -y install libtommath-docs

How To Uninstall libtommath-docs on Ubuntu 18.04

To uninstall only the libtommath-docs package we can use the following command:

sudo apt-get remove libtommath-docs

Uninstall libtommath-docs And Its Dependencies

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

sudo apt-get -y autoremove libtommath-docs

Remove libtommath-docs Configurations and Data

To remove libtommath-docs configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge libtommath-docs

Remove libtommath-docs configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge libtommath-docs

References

Summary

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