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- ///////////////////////////////////////////////////////////////////////////////
- // Copyright 2017 John Maddock
- // Distributed under 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)
- #ifndef BOOST_MT_ATOMIC_DETAIL_HPP
- #define BOOST_MT_ATOMIC_DETAIL_HPP
- #include <boost/config.hpp>
- #ifdef BOOST_HAS_THREADS
- # include <atomic>
- # define BOOST_MATH_ATOMIC_NS std
- namespace boost {
- namespace multiprecision {
- namespace detail {
- #if ATOMIC_INT_LOCK_FREE == 2
- using atomic_counter_type = std::atomic<int>;
- using atomic_unsigned_type = std::atomic<unsigned>;
- using atomic_integer_type = int;
- using atomic_unsigned_integer_type = unsigned;
- #elif ATOMIC_SHORT_LOCK_FREE == 2
- using atomic_counter_type = std::atomic<short>;
- using atomic_unsigned_type = std::atomic<unsigned short>;
- using atomic_integer_type = short;
- using atomic_unsigned_integer_type = unsigned short;
- #elif ATOMIC_LONG_LOCK_FREE == 2
- using atomic_unsigned_integer_type = std::atomic<long>;
- using atomic_unsigned_type = std::atomic<unsigned long>;
- using atomic_unsigned_integer_type = unsigned long;
- using atomic_integer_type = long;
- #elif ATOMIC_LLONG_LOCK_FREE == 2
- using atomic_unsigned_integer_type = std::atomic<long long>;
- using atomic_unsigned_type = std::atomic<unsigned long long>;
- using atomic_integer_type = long long;
- using atomic_unsigned_integer_type = unsigned long long;
- #else
- #define BOOST_MT_NO_ATOMIC_INT
- #endif
- }
- }}
- #else // BOOST_HAS_THREADS
- #define BOOST_MT_NO_ATOMIC_INT
- #endif // BOOST_HAS_THREADS
- namespace boost { namespace multiprecision { namespace detail {
- #ifdef BOOST_MT_NO_ATOMIC_INT
- using precision_type = unsigned;
- #else
- using precision_type = atomic_unsigned_type;
- #endif
- } } }
- #endif // BOOST_MATH_ATOMIC_DETAIL_HPP
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