How To Install libcreal-ocaml-dev on Ubuntu 20.04
Introduction
In this tutorial we learn how to install libcreal-ocaml-dev on Ubuntu 20.04.
What is libcreal-ocaml-dev
libcreal-ocaml-dev is:
This module implements exact real arithmetic, following Valerie Menissier-Morain Ph.D. thesis (http://www-calfor.lip6.fr/~vmm/).
A real x is represented as a function giving, for any n, an approximation zn/4^n of x such that |zn/4^n - x| < 1, where zn is an arbitrary precision integer (of type Gmp.Z.t).
Coercions from type int, Gmp.Z.t, Gmp.Q.t, basic operations (addition, subtraction, multiplication, division, power, square root) and transcendental functions (sin, cos, tan, log, exp, arcsin, arccos, etc.) and a few constants (pi, e) are provided.
A small reverse-polish calculator is provided to test the library.
There are three methods to install libcreal-ocaml-dev on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install libcreal-ocaml-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 libcreal-ocaml-dev using apt-get by running the following command:
sudo apt-get -y install libcreal-ocaml-dev
Install libcreal-ocaml-dev Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libcreal-ocaml-dev using apt by running the following command:
sudo apt -y install libcreal-ocaml-dev
Install libcreal-ocaml-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 libcreal-ocaml-dev using aptitude by running the following command:
sudo aptitude -y install libcreal-ocaml-dev
How To Uninstall libcreal-ocaml-dev on Ubuntu 20.04
To uninstall only the libcreal-ocaml-dev package we can use the following command:
sudo apt-get remove libcreal-ocaml-dev
Uninstall libcreal-ocaml-dev And Its Dependencies
To uninstall libcreal-ocaml-dev and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove libcreal-ocaml-dev
Remove libcreal-ocaml-dev Configurations and Data
To remove libcreal-ocaml-dev configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge libcreal-ocaml-dev
Remove libcreal-ocaml-dev configuration, data, and all of its dependencies
We can use the following command to remove libcreal-ocaml-dev configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libcreal-ocaml-dev
References
Summary
In this tutorial we learn how to install libcreal-ocaml-dev package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.
