How To Install libqd-dev on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libqd-dev on Ubuntu 18.04.
What is libqd-dev
libqd-dev is:
This package supports both a double-double datatype (approx. 32 decimal digits) and a quad-double datatype (approx. 64 decimal digits). The computational library is written in C++. Both C++ and Fortran-90 high-level language interfaces are provided to permit one to convert an existing C++ or Fortran-90 program to use the library with only minor changes to the source code.
There are three methods to install libqd-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 libqd-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 libqd-dev using apt-get by running the following command:
sudo apt-get -y install libqd-dev
Install libqd-dev Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libqd-dev using apt by running the following command:
sudo apt -y install libqd-dev
Install libqd-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 libqd-dev using aptitude by running the following command:
sudo aptitude -y install libqd-dev
How To Uninstall libqd-dev on Ubuntu 18.04
To uninstall only the libqd-dev package we can use the following command:
sudo apt-get remove libqd-dev
Uninstall libqd-dev And Its Dependencies
To uninstall libqd-dev and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libqd-dev
Remove libqd-dev Configurations and Data
To remove libqd-dev configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libqd-dev
Remove libqd-dev configuration, data, and all of its dependencies
We can use the following command to remove libqd-dev configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libqd-dev
References
Summary
In this tutorial we learn how to install libqd-dev package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
