COPYRIGHT HOLDERS

Except for the components listed below, all files in this package are
copyright (c) Gilles Colling and released under the MIT license (see the
LICENSE file).

src/sobol_direction_numbers.h
  Direction numbers for Sobol sequence generation, copyright (c) 2008
  Frances Y. Kuo and Stephen Joe, released under a 3-clause BSD license.
  The full license text is reproduced in the file header, as that license
  requires. Source: https://web.maths.unsw.edu.au/~fkuo/sobol/
  Both authors are recorded in Authors@R with roles ctb and cph.

src/simp/*.h
  Snapshot of the SIMP symplectic-integrator headers
  (https://github.com/gcol33/SIMP), copyright (c) 2026 Gilles Colling,
  MIT license. Upstream development happens in the SIMP repository;
  these files are regenerated by vendor_simp.sh and are not edited in
  place.

src/fastmath.h, src/fastmath_data.cpp
  Double-precision exp and log routines and their tables, ported from Arm
  Optimized Routines (https://github.com/ARM-software/optimized-routines,
  math/exp.c, math/exp_data.c, math/log.c, math/log_data.c), copyright (c)
  2018-2025 Arm Limited, dual-licensed MIT OR Apache-2.0 WITH
  LLVM-exception and used here under the MIT license, reproduced below.
  Arm Limited is recorded in Authors@R with role cph.

  MIT License

  Copyright (c) 1999-2022, Arm Limited.

  Permission is hereby granted, free of charge, to any person obtaining a
  copy of this software and associated documentation files (the "Software"),
  to deal in the Software without restriction, including without limitation
  the rights to use, copy, modify, merge, publish, distribute, sublicense,
  and/or sell copies of the Software, and to permit persons to whom the
  Software is furnished to do so, subject to the following conditions:

  The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software.

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  DEALINGS IN THE SOFTWARE.

inst/include/tulpa/walnuts.h, inst/include/tulpa/walnuts_config.h
  The WALNUTS transition, ported from walnutpie
  (https://github.com/flatironinstitute/walnutpie, include/walnutpie/walnuts.hpp,
  commit 5710b0334ba69cf0caa35fc02a2338b61d756953), copyright (c) 2025-2026
  the Walnutpie Developers, MIT license, reproduced below. The Walnutpie
  Developers are recorded in Authors@R with role cph.

  MIT License

  Copyright (c) 2025--2026 by the Walnutpie Developers.

  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:

  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.