How To Install libtommath-dev on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libtommath-dev
on Ubuntu 18.04.
What is libtommath-dev
libtommath-dev 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 files needed to create programs that use LibTomMath. It is not needed to merely execute programs that use LibTomMath.
There are three methods to install libtommath-dev
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-dev 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-dev
using apt-get
by running the following command:
sudo apt-get -y install libtommath-dev
Install libtommath-dev Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install libtommath-dev
using apt
by running the following command:
sudo apt -y install libtommath-dev
Install libtommath-dev 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-dev
using aptitude
by running the following command:
sudo aptitude -y install libtommath-dev
How To Uninstall libtommath-dev on Ubuntu 18.04
To uninstall only the libtommath-dev
package we can use the following command:
sudo apt-get remove libtommath-dev
Uninstall libtommath-dev And Its Dependencies
To uninstall libtommath-dev
and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libtommath-dev
Remove libtommath-dev Configurations and Data
To remove libtommath-dev
configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libtommath-dev
Remove libtommath-dev configuration, data, and all of its dependencies
We can use the following command to remove libtommath-dev
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libtommath-dev
References
Summary
In this tutorial we learn how to install libtommath-dev
package on Ubuntu 18.04 using different package management tools: apt
, apt-get
and aptitude
.