sundialr - Copyright (c) 2016-2026, Satyaprakash Nayak

SUNDIALS - the bundled version is 7.8.0, whose LICENSE states:

Copyright (c) 2025-2026, Lawrence Livermore National Security, University of
Maryland Baltimore County, and the SUNDIALS contributors.
Copyright (c) 2013-2025, Lawrence Livermore National Security and Southern
Methodist University.
Copyright (c) 2002-2013, Lawrence Livermore National Security.
All rights reserved.