#### Beyond Linux® From Scratch (System V Edition) - Version 12.3

### Chapter 9. General Libraries

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# gsl-2.8

## Introduction to Gsl

The GNU Scientific Library (GSL) is a numerical library for C and C++ programmers. It provides a wide range of mathematical routines such as random number generators, special functions and least-squares fitting.

This package is known to build and work properly using an LFS 12.3 platform.

### Package Information

- Download (HTTP): https://ftp.gnu.org/gnu/gsl/gsl-2.8.tar.gz

- Download MD5 sum: 182ec03204f164e67238c9116591a37d

- Download size: 8.6 MB

- Estimated disk space required: 223 MB (with tests, without docs)

- Estimated build time: 1.0 SBU (Using parallelism=4; with tests, without docs)

### Gsl Dependencies

#### Optional

sphinx_rtd_theme-3.0.2

## Installation of Gsl

Install Gsl by running the following commands:

    ./configure --prefix=/usr --disable-static &&
    make

If you have sphinx_rtd_theme-3.0.2 installed, build the documentation with:

    make html

To test the results, issue: make check.

Now, as the `root` user:

    make install

If you built the documentation, install it (as `root`) with:

    mkdir                   /usr/share/doc/gsl-2.8 &&
    cp -R doc/_build/html/* /usr/share/doc/gsl-2.8

## Command Explanations

`--disable-static`: This switch prevents installation of static versions of the libraries.

## Contents

Installed Programs: gsl-config, gsl-histogram, and gsl-randist
Installed Libraries: libgslcblas.so and libgsl.so
Installed Directory: /usr/include/gsl and /usr/share/doc/gsl-2.8

### Short Descriptions

gsl-config | is a shell script to get the version number and compiler flags of the installed Gsl library
gsl-histogram | is a demonstration program for the GNU Scientific Library that computes a histogram from data taken from stdin
gsl-randist | is a demonstration program for the GNU Scientific Library that generates random samples from various distributions
`libgslcblas.so` | contains functions that implement a C interface to Basic Linear Algebra Subprograms
`libgsl.so` | contains functions that provide a collection of numerical routines for scientific computing

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