boost/math/tools/atomic.hpp
///////////////////////////////////////////////////////////////////////////////
// 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_MATH_ATOMIC_DETAIL_HPP
#define BOOST_MATH_ATOMIC_DETAIL_HPP
#include <boost/math/tools/config.hpp>
#include <boost/math/tools/cxx03_warn.hpp>
#ifdef BOOST_MATH_HAS_THREADS
#include <atomic>
namespace boost {
namespace math {
namespace detail {
#if (ATOMIC_INT_LOCK_FREE == 2) && !defined(BOOST_MATH_NO_ATOMIC_INT)
typedef std::atomic<int> atomic_counter_type;
typedef std::atomic<unsigned> atomic_unsigned_type;
typedef int atomic_integer_type;
typedef unsigned atomic_unsigned_integer_type;
#elif (ATOMIC_SHORT_LOCK_FREE == 2) && !defined(BOOST_MATH_NO_ATOMIC_INT)
typedef std::atomic<short> atomic_counter_type;
typedef std::atomic<unsigned short> atomic_unsigned_type;
typedef short atomic_integer_type;
typedef unsigned short atomic_unsigned_type;
#elif (ATOMIC_LONG_LOCK_FREE == 2) && !defined(BOOST_MATH_NO_ATOMIC_INT)
typedef std::atomic<long> atomic_unsigned_integer_type;
typedef std::atomic<unsigned long> atomic_unsigned_type;
typedef unsigned long atomic_unsigned_type;
typedef long atomic_integer_type;
#elif (ATOMIC_LLONG_LOCK_FREE == 2) && !defined(BOOST_MATH_NO_ATOMIC_INT)
typedef std::atomic<long long> atomic_unsigned_integer_type;
typedef std::atomic<unsigned long long> atomic_unsigned_type;
typedef long long atomic_integer_type;
typedef unsigned long long atomic_unsigned_integer_type;
#elif !defined(BOOST_MATH_NO_ATOMIC_INT)
# define BOOST_MATH_NO_ATOMIC_INT
#endif
} // Namespace detail
} // Namespace math
} // Namespace boost
#else
# define BOOST_MATH_NO_ATOMIC_INT
#endif // BOOST_MATH_HAS_THREADS
#endif // BOOST_MATH_ATOMIC_DETAIL_HPP