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Louis Dionne 585da50d7d [third-party] Add a snapshot of Boost.Math 1.89 standalone (#141508)
This PR adds the code of Boost.Math as of version 1.89 into the
third-party directory, as discussed in a recent RFC [1].

The goal is for this code to be used as a back-end for the C++17
Math Special Functions.

As explained in third-paty/README.md, this code is cleared for
usage inside libc++ for the Math Special functions, however
the LLVM Foundation should be consulted before using this
code anywhere else in the LLVM project, due to the fact
that it is under the Boost Software License (as opposed
to the usual LLVM license). See the RFC [1] for more details.

[1]: https://discourse.llvm.org/t/rfc-libc-taking-a-dependency-on-boost-math-for-the-c-17-math-special-functions
2025-10-27 14:43:57 -07:00

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// Copyright (c) 2024 Matt Borland
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Regular use of std::array functions can not be used on
// GPU platforms like CUDA since they are missing the __device__ marker
// Alias as needed to get correct support
#ifndef BOOST_MATH_TOOLS_ARRAY_HPP
#define BOOST_MATH_TOOLS_ARRAY_HPP
#include <boost/math/tools/config.hpp>
#ifdef BOOST_MATH_ENABLE_CUDA
#include <cuda/std/array>
namespace boost {
namespace math {
using cuda::std::array;
} // namespace math
} // namespace boost
#else
#include <array>
namespace boost {
namespace math {
using std::array;
} // namespace math
} // namespace boost
#endif // BOOST_MATH_ENABLE_CUDA
#endif // BOOST_MATH_TOOLS_ARRAY_HPP