O2scl is a C++ library for object-oriented numerical programming. It includes interpolation, differentiation, integration, roots of polynomials, equation solving, minimization, constrained minimization, Monte Carlo integration, simulated annealing, least-squares fitting, solution of ordinary differential equations, two-dimensional interpolation, Chebyshev approximation, unit conversions, and file I/O with HDF5.
The packages for RHEL 8 and RHEL 7 are in each distribution’s respective Extra Packages for Enterprise Linux (EPEL) repository. The instructions for adding this repository diverge slightly between RHEL 8 and RHEL 7, which is why they’re listed separately below.
The EPEL repository can be added to RHEL 8 with the following command: