GNU Scientific Library
GNU Scientific Library (GSL) is a numerical library for C and C++ programmers.[1]
Installed Versions
Default Red Hat-provided Version
Red Hat Enterprise Linux comes with GSL 1.13. It can be used without any additional configuration.
Locally-Compiled Version
A locally-compiled version 2.2.1 is also available. Use the modulefile:
gsl/gcc/2.2.1
To use this version, rpath[2][3] will need to be used to override the default Red Hat-provided version.
References
[2] wikipedia:Rpath
[3] StackOverflow question: I don't understand -Wl,-rpath -Wl