o2scl

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.

          

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License: GPL-3.0-only
URL: https://neutronstars.utk.edu/code/o2scl/html/index.html