This library implements the cumulative distribution function of the normal inverse Gaussian (NIG) distribution. The code is written in C++ and includes an interface for Python via ctypes.
If you use the library, please cite the paper https://arxiv.org/abs/2502.16015:
@article{Navas-Palencia2025NIG, title = {On the computation of the cumulative distribution function of the Normal Inverse Gaussian distribution}, author = {Navas-Palencia, G.}, year = {2025}, eprint = {2502.16015}, archivePrefix = {arXiv}, primaryClass = {math.NA}, volume = {abs/2502.16015}, url = {http://arxiv.org/abs/2502.16015}, }