MIT License

Copyright (c) 2026 Kristján Jónasson

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.


THIRD-PARTY NOTICES

This software includes or adapts code from the following projects:

xoshiro256++ / xoshiro256**
Blackman, Vigna — https://prng.di.unimi.it/ — Public Domain
Files: src/xoshiro256pp.inc, src/xoshiro256ss.inc

NumPy random distributions
NumPy — https://github.com/numpy/numpy — BSD-3-Clause
Files: src/norm_exp.inc, src/norm_exp_float.inc

Random123 (Philox)
Salmon et al. — https://www.deshawresearch.com/resources_random123.html — BSD
Files: src/philox4x64.inc

PCG64-DXSM
Melissa O’Neill — https://www.pcg-random.org/ — 0BSD (MIT-0)
Files: src/pcg64_dxsm.inc

ChaCha20 portable
D. J. Bernstein — https://cr.yp.to/chacha.html — CC0
Files: src/chacha-portable.inc, src/chacha-portable.h

randutils seed_seq_fe128
Melissa O’Neill — https://github.com/imneme/pcg-cpp — MIT
Files: src/seed_seq_fe128.inc, tests/randutils.hpp

SLEEF
SLEEF Project — https://github.com/shibatch/sleef — Boost Software License 1.0
Files: src/sleef.c, src/sleef_arm.c, src/sleef_avx512.c

getopt
OpenBSD / NetBSD — https://github.com/openbsd/src — BSD-style
Files: common/getopt.c, common/getopt.h

AS241 (PPND16 inverse normal)
Wichura et al. — Public Domain
Files: tests/test_util.c

LAPACK routines
Netlib LAPACK — https://www.netlib.org/lapack/ — BSD-style
Files: src/rp_dpstrf.c
