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-rw-r--r--boost/endian/arithmetic.hpp413
-rw-r--r--boost/endian/buffers.hpp515
-rw-r--r--boost/endian/conversion.hpp487
-rw-r--r--boost/endian/detail/config.hpp62
-rw-r--r--boost/endian/detail/cover_operators.hpp142
-rw-r--r--boost/endian/detail/disable_warnings.hpp33
-rw-r--r--boost/endian/detail/disable_warnings_pop.hpp12
-rw-r--r--boost/endian/detail/intrinsic.hpp64
-rw-r--r--boost/endian/detail/lightweight_test.hpp223
-rw-r--r--boost/endian/endian.hpp19
-rw-r--r--boost/endian/std_pair.hpp38
11 files changed, 2008 insertions, 0 deletions
diff --git a/boost/endian/arithmetic.hpp b/boost/endian/arithmetic.hpp
new file mode 100644
index 0000000000..d8bcbe62b4
--- /dev/null
+++ b/boost/endian/arithmetic.hpp
@@ -0,0 +1,413 @@
+// boost/endian/arithmetic.hpp -------------------------------------------------------//
+
+// (C) Copyright Darin Adler 2000
+// (C) Copyright Beman Dawes 2006, 2009, 2014
+
+// Distributed under the Boost Software License, Version 1.0.
+// See http://www.boost.org/LICENSE_1_0.txt
+
+// See library home page at http://www.boost.org/libs/endian
+
+//--------------------------------------------------------------------------------------//
+
+// Original design developed by Darin Adler based on classes developed by Mark
+// Borgerding. Four original class templates were combined into a single endian
+// class template by Beman Dawes, who also added the unrolled_byte_loops sign
+// partial specialization to correctly extend the sign when cover integer size
+// differs from endian representation size.
+
+// TODO: When a compiler supporting constexpr becomes available, try possible uses.
+
+#ifndef BOOST_ENDIAN_ARITHMETIC_HPP
+#define BOOST_ENDIAN_ARITHMETIC_HPP
+
+#if defined(_MSC_VER)
+# pragma warning(push)
+# pragma warning(disable:4365) // conversion ... signed/unsigned mismatch
+#endif
+
+#ifdef BOOST_ENDIAN_LOG
+# include <iostream>
+#endif
+
+#if defined(__BORLANDC__) || defined( __CODEGEARC__)
+# pragma pack(push, 1)
+#endif
+
+#include <boost/config.hpp>
+#include <boost/predef/detail/endian_compat.h>
+#include <boost/endian/conversion.hpp>
+#include <boost/endian/buffers.hpp>
+#define BOOST_ENDIAN_MINIMAL_COVER_OPERATORS
+#include <boost/endian/detail/cover_operators.hpp>
+#undef BOOST_ENDIAN_MINIMAL_COVER_OPERATORS
+#include <boost/type_traits/is_signed.hpp>
+#include <boost/cstdint.hpp>
+#include <boost/static_assert.hpp>
+#include <boost/core/scoped_enum.hpp>
+#include <iosfwd>
+#include <climits>
+
+# if CHAR_BIT != 8
+# error Platforms with CHAR_BIT != 8 are not supported
+# endif
+
+# ifdef BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
+# define BOOST_ENDIAN_DEFAULT_CONSTRUCT {} // C++03
+# else
+# define BOOST_ENDIAN_DEFAULT_CONSTRUCT = default; // C++0x
+# endif
+
+# if defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) && defined(BOOST_ENDIAN_FORCE_PODNESS)
+# define BOOST_ENDIAN_NO_CTORS
+# endif
+
+# ifndef BOOST_ENDIAN_EXPLICIT_CTORS
+# define BOOST_ENDIAN_EXPLICIT_OPT
+# else
+# define BOOST_ENDIAN_EXPLICIT_OPT explicit
+# endif
+
+//---------------------------------- synopsis ----------------------------------------//
+
+namespace boost
+{
+namespace endian
+{
+
+ template <BOOST_SCOPED_ENUM(order) Order, class T, std::size_t n_bits,
+ BOOST_SCOPED_ENUM(align) A = align::no>
+ class endian_arithmetic;
+
+ // big endian signed integer aligned types
+ typedef endian_arithmetic<order::big, int8_t, 8, align::yes> big_int8_at;
+ typedef endian_arithmetic<order::big, int16_t, 16, align::yes> big_int16_at;
+ typedef endian_arithmetic<order::big, int32_t, 32, align::yes> big_int32_at;
+ typedef endian_arithmetic<order::big, int64_t, 64, align::yes> big_int64_at;
+
+ // big endian unsigned integer aligned types
+ typedef endian_arithmetic<order::big, uint8_t, 8, align::yes> big_uint8_at;
+ typedef endian_arithmetic<order::big, uint16_t, 16, align::yes> big_uint16_at;
+ typedef endian_arithmetic<order::big, uint32_t, 32, align::yes> big_uint32_at;
+ typedef endian_arithmetic<order::big, uint64_t, 64, align::yes> big_uint64_at;
+
+ // little endian signed integer aligned types
+ typedef endian_arithmetic<order::little, int8_t, 8, align::yes> little_int8_at;
+ typedef endian_arithmetic<order::little, int16_t, 16, align::yes> little_int16_at;
+ typedef endian_arithmetic<order::little, int32_t, 32, align::yes> little_int32_at;
+ typedef endian_arithmetic<order::little, int64_t, 64, align::yes> little_int64_at;
+
+ // little endian unsigned integer aligned types
+ typedef endian_arithmetic<order::little, uint8_t, 8, align::yes> little_uint8_at;
+ typedef endian_arithmetic<order::little, uint16_t, 16, align::yes> little_uint16_at;
+ typedef endian_arithmetic<order::little, uint32_t, 32, align::yes> little_uint32_at;
+ typedef endian_arithmetic<order::little, uint64_t, 64, align::yes> little_uint64_at;
+
+ // aligned native endian typedefs are not provided because
+ // <cstdint> types are superior for this use case
+
+ // big endian signed integer unaligned types
+ typedef endian_arithmetic<order::big, int_least8_t, 8> big_int8_t;
+ typedef endian_arithmetic<order::big, int_least16_t, 16> big_int16_t;
+ typedef endian_arithmetic<order::big, int_least32_t, 24> big_int24_t;
+ typedef endian_arithmetic<order::big, int_least32_t, 32> big_int32_t;
+ typedef endian_arithmetic<order::big, int_least64_t, 40> big_int40_t;
+ typedef endian_arithmetic<order::big, int_least64_t, 48> big_int48_t;
+ typedef endian_arithmetic<order::big, int_least64_t, 56> big_int56_t;
+ typedef endian_arithmetic<order::big, int_least64_t, 64> big_int64_t;
+
+ // big endian unsigned integer unaligned types
+ typedef endian_arithmetic<order::big, uint_least8_t, 8> big_uint8_t;
+ typedef endian_arithmetic<order::big, uint_least16_t, 16> big_uint16_t;
+ typedef endian_arithmetic<order::big, uint_least32_t, 24> big_uint24_t;
+ typedef endian_arithmetic<order::big, uint_least32_t, 32> big_uint32_t;
+ typedef endian_arithmetic<order::big, uint_least64_t, 40> big_uint40_t;
+ typedef endian_arithmetic<order::big, uint_least64_t, 48> big_uint48_t;
+ typedef endian_arithmetic<order::big, uint_least64_t, 56> big_uint56_t;
+ typedef endian_arithmetic<order::big, uint_least64_t, 64> big_uint64_t;
+
+ // little endian signed integer unaligned types
+ typedef endian_arithmetic<order::little, int_least8_t, 8> little_int8_t;
+ typedef endian_arithmetic<order::little, int_least16_t, 16> little_int16_t;
+ typedef endian_arithmetic<order::little, int_least32_t, 24> little_int24_t;
+ typedef endian_arithmetic<order::little, int_least32_t, 32> little_int32_t;
+ typedef endian_arithmetic<order::little, int_least64_t, 40> little_int40_t;
+ typedef endian_arithmetic<order::little, int_least64_t, 48> little_int48_t;
+ typedef endian_arithmetic<order::little, int_least64_t, 56> little_int56_t;
+ typedef endian_arithmetic<order::little, int_least64_t, 64> little_int64_t;
+
+ // little endian unsigned integer unaligned types
+ typedef endian_arithmetic<order::little, uint_least8_t, 8> little_uint8_t;
+ typedef endian_arithmetic<order::little, uint_least16_t, 16> little_uint16_t;
+ typedef endian_arithmetic<order::little, uint_least32_t, 24> little_uint24_t;
+ typedef endian_arithmetic<order::little, uint_least32_t, 32> little_uint32_t;
+ typedef endian_arithmetic<order::little, uint_least64_t, 40> little_uint40_t;
+ typedef endian_arithmetic<order::little, uint_least64_t, 48> little_uint48_t;
+ typedef endian_arithmetic<order::little, uint_least64_t, 56> little_uint56_t;
+ typedef endian_arithmetic<order::little, uint_least64_t, 64> little_uint64_t;
+
+# ifdef BOOST_BIG_ENDIAN
+ // native endian signed integer unaligned types
+ typedef big_int8_t native_int8_t;
+ typedef big_int16_t native_int16_t;
+ typedef big_int24_t native_int24_t;
+ typedef big_int32_t native_int32_t;
+ typedef big_int40_t native_int40_t;
+ typedef big_int48_t native_int48_t;
+ typedef big_int56_t native_int56_t;
+ typedef big_int64_t native_int64_t;
+
+ // native endian unsigned integer unaligned types
+ typedef big_uint8_t native_uint8_t;
+ typedef big_uint16_t native_uint16_t;
+ typedef big_uint24_t native_uint24_t;
+ typedef big_uint32_t native_uint32_t;
+ typedef big_uint40_t native_uint40_t;
+ typedef big_uint48_t native_uint48_t;
+ typedef big_uint56_t native_uint56_t;
+ typedef big_uint64_t native_uint64_t;
+# else
+ // native endian signed integer unaligned types
+ typedef little_int8_t native_int8_t;
+ typedef little_int16_t native_int16_t;
+ typedef little_int24_t native_int24_t;
+ typedef little_int32_t native_int32_t;
+ typedef little_int40_t native_int40_t;
+ typedef little_int48_t native_int48_t;
+ typedef little_int56_t native_int56_t;
+ typedef little_int64_t native_int64_t;
+
+ // native endian unsigned integer unaligned types
+ typedef little_uint8_t native_uint8_t;
+ typedef little_uint16_t native_uint16_t;
+ typedef little_uint24_t native_uint24_t;
+ typedef little_uint32_t native_uint32_t;
+ typedef little_uint40_t native_uint40_t;
+ typedef little_uint48_t native_uint48_t;
+ typedef little_uint56_t native_uint56_t;
+ typedef little_uint64_t native_uint64_t;
+# endif
+
+# ifdef BOOST_ENDIAN_DEPRECATED_NAMES
+
+ typedef order endianness;
+ typedef align alignment;
+
+# ifndef BOOST_NO_CXX11_TEMPLATE_ALIASES
+ template <BOOST_SCOPED_ENUM(order) Order, class T, std::size_t n_bits,
+ BOOST_SCOPED_ENUM(align) Align = align::no>
+ using endian = endian_arithmetic<Order, T, n_bits, Align>;
+# endif
+
+ // unaligned big endian signed integer types
+ typedef endian_arithmetic< order::big, int_least8_t, 8 > big8_t;
+ typedef endian_arithmetic< order::big, int_least16_t, 16 > big16_t;
+ typedef endian_arithmetic< order::big, int_least32_t, 24 > big24_t;
+ typedef endian_arithmetic< order::big, int_least32_t, 32 > big32_t;
+ typedef endian_arithmetic< order::big, int_least64_t, 40 > big40_t;
+ typedef endian_arithmetic< order::big, int_least64_t, 48 > big48_t;
+ typedef endian_arithmetic< order::big, int_least64_t, 56 > big56_t;
+ typedef endian_arithmetic< order::big, int_least64_t, 64 > big64_t;
+
+ // unaligned big endian_arithmetic unsigned integer types
+ typedef endian_arithmetic< order::big, uint_least8_t, 8 > ubig8_t;
+ typedef endian_arithmetic< order::big, uint_least16_t, 16 > ubig16_t;
+ typedef endian_arithmetic< order::big, uint_least32_t, 24 > ubig24_t;
+ typedef endian_arithmetic< order::big, uint_least32_t, 32 > ubig32_t;
+ typedef endian_arithmetic< order::big, uint_least64_t, 40 > ubig40_t;
+ typedef endian_arithmetic< order::big, uint_least64_t, 48 > ubig48_t;
+ typedef endian_arithmetic< order::big, uint_least64_t, 56 > ubig56_t;
+ typedef endian_arithmetic< order::big, uint_least64_t, 64 > ubig64_t;
+
+ // unaligned little endian_arithmetic signed integer types
+ typedef endian_arithmetic< order::little, int_least8_t, 8 > little8_t;
+ typedef endian_arithmetic< order::little, int_least16_t, 16 > little16_t;
+ typedef endian_arithmetic< order::little, int_least32_t, 24 > little24_t;
+ typedef endian_arithmetic< order::little, int_least32_t, 32 > little32_t;
+ typedef endian_arithmetic< order::little, int_least64_t, 40 > little40_t;
+ typedef endian_arithmetic< order::little, int_least64_t, 48 > little48_t;
+ typedef endian_arithmetic< order::little, int_least64_t, 56 > little56_t;
+ typedef endian_arithmetic< order::little, int_least64_t, 64 > little64_t;
+
+ // unaligned little endian_arithmetic unsigned integer types
+ typedef endian_arithmetic< order::little, uint_least8_t, 8 > ulittle8_t;
+ typedef endian_arithmetic< order::little, uint_least16_t, 16 > ulittle16_t;
+ typedef endian_arithmetic< order::little, uint_least32_t, 24 > ulittle24_t;
+ typedef endian_arithmetic< order::little, uint_least32_t, 32 > ulittle32_t;
+ typedef endian_arithmetic< order::little, uint_least64_t, 40 > ulittle40_t;
+ typedef endian_arithmetic< order::little, uint_least64_t, 48 > ulittle48_t;
+ typedef endian_arithmetic< order::little, uint_least64_t, 56 > ulittle56_t;
+ typedef endian_arithmetic< order::little, uint_least64_t, 64 > ulittle64_t;
+
+ // unaligned native endian_arithmetic signed integer types
+ typedef endian_arithmetic< order::native, int_least8_t, 8 > native8_t;
+ typedef endian_arithmetic< order::native, int_least16_t, 16 > native16_t;
+ typedef endian_arithmetic< order::native, int_least32_t, 24 > native24_t;
+ typedef endian_arithmetic< order::native, int_least32_t, 32 > native32_t;
+ typedef endian_arithmetic< order::native, int_least64_t, 40 > native40_t;
+ typedef endian_arithmetic< order::native, int_least64_t, 48 > native48_t;
+ typedef endian_arithmetic< order::native, int_least64_t, 56 > native56_t;
+ typedef endian_arithmetic< order::native, int_least64_t, 64 > native64_t;
+
+ // unaligned native endian_arithmetic unsigned integer types
+ typedef endian_arithmetic< order::native, uint_least8_t, 8 > unative8_t;
+ typedef endian_arithmetic< order::native, uint_least16_t, 16 > unative16_t;
+ typedef endian_arithmetic< order::native, uint_least32_t, 24 > unative24_t;
+ typedef endian_arithmetic< order::native, uint_least32_t, 32 > unative32_t;
+ typedef endian_arithmetic< order::native, uint_least64_t, 40 > unative40_t;
+ typedef endian_arithmetic< order::native, uint_least64_t, 48 > unative48_t;
+ typedef endian_arithmetic< order::native, uint_least64_t, 56 > unative56_t;
+ typedef endian_arithmetic< order::native, uint_least64_t, 64 > unative64_t;
+
+ // aligned native endian_arithmetic typedefs are not provided because
+ // <cstdint> types are superior for this use case
+
+ typedef endian_arithmetic< order::big, int16_t, 16, align::yes > aligned_big16_t;
+ typedef endian_arithmetic< order::big, uint16_t, 16, align::yes > aligned_ubig16_t;
+ typedef endian_arithmetic< order::little, int16_t, 16, align::yes > aligned_little16_t;
+ typedef endian_arithmetic< order::little, uint16_t, 16, align::yes > aligned_ulittle16_t;
+
+ typedef endian_arithmetic< order::big, int32_t, 32, align::yes > aligned_big32_t;
+ typedef endian_arithmetic< order::big, uint32_t, 32, align::yes > aligned_ubig32_t;
+ typedef endian_arithmetic< order::little, int32_t, 32, align::yes > aligned_little32_t;
+ typedef endian_arithmetic< order::little, uint32_t, 32, align::yes > aligned_ulittle32_t;
+
+ typedef endian_arithmetic< order::big, int64_t, 64, align::yes > aligned_big64_t;
+ typedef endian_arithmetic< order::big, uint64_t, 64, align::yes > aligned_ubig64_t;
+ typedef endian_arithmetic< order::little, int64_t, 64, align::yes > aligned_little64_t;
+ typedef endian_arithmetic< order::little, uint64_t, 64, align::yes > aligned_ulittle64_t;
+
+# endif
+
+//---------------------------------- end synopsis ------------------------------------//
+
+// endian class template specializations ---------------------------------------------//
+
+ // Specializations that represent unaligned bytes.
+ // Taking an integer type as a parameter provides a nice way to pass both
+ // the size and signness of the desired integer and get the appropriate
+ // corresponding integer type for the interface.
+
+ // unaligned integer big endian specialization
+ template <typename T, std::size_t n_bits>
+ class endian_arithmetic< order::big, T, n_bits, align::no >
+ : public endian_buffer< order::big, T, n_bits, align::no >,
+ cover_operators<endian_arithmetic<order::big, T, n_bits>, T>
+ {
+ BOOST_STATIC_ASSERT( (n_bits/8)*8 == n_bits );
+ public:
+ typedef T value_type;
+# ifndef BOOST_ENDIAN_NO_CTORS
+ endian_arithmetic() BOOST_ENDIAN_DEFAULT_CONSTRUCT
+ BOOST_ENDIAN_EXPLICIT_OPT endian_arithmetic(T val) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_LOG
+ if ( endian_log )
+ std::cout << "big, unaligned, " << n_bits << "-bits, construct(" << val << ")\n";
+# endif
+ detail::store_big_endian<T, n_bits/8>(this->m_value, val);
+ }
+# endif
+ endian_arithmetic& operator=(T val) BOOST_NOEXCEPT
+ { detail::store_big_endian<T, n_bits/8>(this->m_value, val); return *this; }
+ operator value_type() const BOOST_NOEXCEPT { return this->value(); }
+ };
+
+ // unaligned little endian specialization
+ template <typename T, std::size_t n_bits>
+ class endian_arithmetic< order::little, T, n_bits, align::no >
+ : public endian_buffer< order::little, T, n_bits, align::no >,
+ cover_operators< endian_arithmetic< order::little, T, n_bits >, T >
+ {
+ BOOST_STATIC_ASSERT( (n_bits/8)*8 == n_bits );
+ public:
+ typedef T value_type;
+# ifndef BOOST_ENDIAN_NO_CTORS
+ endian_arithmetic() BOOST_ENDIAN_DEFAULT_CONSTRUCT
+ BOOST_ENDIAN_EXPLICIT_OPT endian_arithmetic(T val) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_LOG
+ if ( endian_log )
+ std::cout << "little, unaligned, " << n_bits << "-bits, construct(" << val << ")\n";
+# endif
+ detail::store_little_endian<T, n_bits/8>(this->m_value, val);
+ }
+# endif
+ endian_arithmetic& operator=(T val) BOOST_NOEXCEPT
+ { detail::store_little_endian<T, n_bits/8>(this->m_value, val); return *this; }
+ operator value_type() const BOOST_NOEXCEPT { return this->value(); }
+ };
+
+ // align::yes specializations; only n_bits == 16/32/64 supported
+
+ // aligned big endian specialization
+ template <typename T, std::size_t n_bits>
+ class endian_arithmetic<order::big, T, n_bits, align::yes>
+ : public endian_buffer< order::big, T, n_bits, align::yes >,
+ cover_operators<endian_arithmetic<order::big, T, n_bits, align::yes>, T>
+ {
+ BOOST_STATIC_ASSERT( (n_bits/8)*8 == n_bits );
+ BOOST_STATIC_ASSERT( sizeof(T) == n_bits/8 );
+ public:
+ typedef T value_type;
+# ifndef BOOST_ENDIAN_NO_CTORS
+ endian_arithmetic() BOOST_ENDIAN_DEFAULT_CONSTRUCT
+ BOOST_ENDIAN_EXPLICIT_OPT endian_arithmetic(T val) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_LOG
+ if ( endian_log )
+ std::cout << "big, aligned, " << n_bits << "-bits, construct(" << val << ")\n";
+# endif
+ this->m_value = ::boost::endian::native_to_big(val);
+ }
+
+# endif
+ endian_arithmetic& operator=(T val) BOOST_NOEXCEPT
+ {
+ this->m_value = ::boost::endian::native_to_big(val);
+ return *this;
+ }
+ operator value_type() const BOOST_NOEXCEPT { return this->value(); }
+ };
+
+ // aligned little endian specialization
+ template <typename T, std::size_t n_bits>
+ class endian_arithmetic<order::little, T, n_bits, align::yes>
+ : public endian_buffer< order::little, T, n_bits, align::yes >,
+ cover_operators<endian_arithmetic<order::little, T, n_bits, align::yes>, T>
+ {
+ BOOST_STATIC_ASSERT( (n_bits/8)*8 == n_bits );
+ BOOST_STATIC_ASSERT( sizeof(T) == n_bits/8 );
+ public:
+ typedef T value_type;
+# ifndef BOOST_ENDIAN_NO_CTORS
+ endian_arithmetic() BOOST_ENDIAN_DEFAULT_CONSTRUCT
+ BOOST_ENDIAN_EXPLICIT_OPT endian_arithmetic(T val) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_LOG
+ if ( endian_log )
+ std::cout << "little, aligned, " << n_bits << "-bits, construct(" << val << ")\n";
+# endif
+ this->m_value = ::boost::endian::native_to_little(val);
+ }
+# endif
+ endian_arithmetic& operator=(T val) BOOST_NOEXCEPT
+ {
+ this->m_value = ::boost::endian::native_to_little(val);
+ return *this;
+ }
+ operator value_type() const BOOST_NOEXCEPT { return this->value(); }
+ };
+
+} // namespace endian
+} // namespace boost
+
+#if defined(__BORLANDC__) || defined( __CODEGEARC__)
+# pragma pack(pop)
+#endif
+
+#if defined(_MSC_VER)
+# pragma warning(pop)
+#endif
+
+#endif // BOOST_ENDIAN_ARITHMETIC_HPP
diff --git a/boost/endian/buffers.hpp b/boost/endian/buffers.hpp
new file mode 100644
index 0000000000..b48b8de7d4
--- /dev/null
+++ b/boost/endian/buffers.hpp
@@ -0,0 +1,515 @@
+// boost/endian/buffers.hpp ----------------------------------------------------------//
+
+// (C) Copyright Darin Adler 2000
+// (C) Copyright Beman Dawes 2006, 2009, 2014
+
+// Distributed under the Boost Software License, Version 1.0.
+// See http://www.boost.org/LICENSE_1_0.txt
+
+// See library home page at http://www.boost.org/libs/endian
+
+//--------------------------------------------------------------------------------------//
+
+// Original design developed by Darin Adler based on classes developed by Mark
+// Borgerding. Four original class templates were combined into a single endian
+// class template by Beman Dawes, who also added the unrolled_byte_loops sign
+// partial specialization to correctly extend the sign when cover integer size
+// differs from endian representation size.
+
+// TODO: When a compiler supporting constexpr becomes available, try possible uses.
+
+#ifndef BOOST_ENDIAN_BUFFERS_HPP
+#define BOOST_ENDIAN_BUFFERS_HPP
+
+#if defined(_MSC_VER)
+# pragma warning(push)
+# pragma warning(disable:4365) // conversion ... signed/unsigned mismatch
+#endif
+
+#ifdef BOOST_ENDIAN_LOG
+# include <iostream>
+#endif
+
+#if defined(__BORLANDC__) || defined( __CODEGEARC__)
+# pragma pack(push, 1)
+#endif
+
+#include <boost/config.hpp>
+#include <boost/predef/detail/endian_compat.h>
+#include <boost/endian/conversion.hpp>
+#include <boost/type_traits/is_signed.hpp>
+#include <boost/cstdint.hpp>
+#include <boost/static_assert.hpp>
+#include <boost/core/scoped_enum.hpp>
+#include <iosfwd>
+#include <climits>
+
+# if CHAR_BIT != 8
+# error Platforms with CHAR_BIT != 8 are not supported
+# endif
+
+# ifdef BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
+# define BOOST_ENDIAN_DEFAULT_CONSTRUCT {} // C++03
+# else
+# define BOOST_ENDIAN_DEFAULT_CONSTRUCT = default; // C++0x
+# endif
+
+# if defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) && defined(BOOST_ENDIAN_FORCE_PODNESS)
+# define BOOST_ENDIAN_NO_CTORS
+# endif
+
+//---------------------------------- synopsis ----------------------------------------//
+
+namespace boost
+{
+namespace endian
+{
+
+ BOOST_SCOPED_ENUM_START(align)
+ {no, yes
+# ifdef BOOST_ENDIAN_DEPRECATED_NAMES
+ , unaligned = no, aligned = yes
+# endif
+ }; BOOST_SCOPED_ENUM_END
+
+ template <BOOST_SCOPED_ENUM(order) Order, class T, std::size_t n_bits,
+ BOOST_SCOPED_ENUM(align) A = align::no>
+ class endian_buffer;
+
+ // aligned big endian signed integer buffers
+ typedef endian_buffer<order::big, int8_t, 8, align::yes> big_int8_buf_at;
+ typedef endian_buffer<order::big, int16_t, 16, align::yes> big_int16_buf_at;
+ typedef endian_buffer<order::big, int32_t, 32, align::yes> big_int32_buf_at;
+ typedef endian_buffer<order::big, int64_t, 64, align::yes> big_int64_buf_at;
+
+ // aligned big endian unsigned integer buffers
+ typedef endian_buffer<order::big, uint8_t, 8, align::yes> big_uint8_buf_at;
+ typedef endian_buffer<order::big, uint16_t, 16, align::yes> big_uint16_buf_at;
+ typedef endian_buffer<order::big, uint32_t, 32, align::yes> big_uint32_buf_at;
+ typedef endian_buffer<order::big, uint64_t, 64, align::yes> big_uint64_buf_at;
+
+ // aligned little endian signed integer buffers
+ typedef endian_buffer<order::little, int8_t, 8, align::yes> little_int8_buf_at;
+ typedef endian_buffer<order::little, int16_t, 16, align::yes> little_int16_buf_at;
+ typedef endian_buffer<order::little, int32_t, 32, align::yes> little_int32_buf_at;
+ typedef endian_buffer<order::little, int64_t, 64, align::yes> little_int64_buf_at;
+
+ // aligned little endian unsigned integer buffers
+ typedef endian_buffer<order::little, uint8_t, 8, align::yes> little_uint8_buf_at;
+ typedef endian_buffer<order::little, uint16_t, 16, align::yes> little_uint16_buf_at;
+ typedef endian_buffer<order::little, uint32_t, 32, align::yes> little_uint32_buf_at;
+ typedef endian_buffer<order::little, uint64_t, 64, align::yes> little_uint64_buf_at;
+
+ // aligned native endian typedefs are not provided because
+ // <cstdint> types are superior for this use case
+
+ // unaligned big endian signed integer buffers
+ typedef endian_buffer<order::big, int_least8_t, 8> big_int8_buf_t;
+ typedef endian_buffer<order::big, int_least16_t, 16> big_int16_buf_t;
+ typedef endian_buffer<order::big, int_least32_t, 24> big_int24_buf_t;
+ typedef endian_buffer<order::big, int_least32_t, 32> big_int32_buf_t;
+ typedef endian_buffer<order::big, int_least64_t, 40> big_int40_buf_t;
+ typedef endian_buffer<order::big, int_least64_t, 48> big_int48_buf_t;
+ typedef endian_buffer<order::big, int_least64_t, 56> big_int56_buf_t;
+ typedef endian_buffer<order::big, int_least64_t, 64> big_int64_buf_t;
+
+ // unaligned big endian unsigned integer buffers
+ typedef endian_buffer<order::big, uint_least8_t, 8> big_uint8_buf_t;
+ typedef endian_buffer<order::big, uint_least16_t, 16> big_uint16_buf_t;
+ typedef endian_buffer<order::big, uint_least32_t, 24> big_uint24_buf_t;
+ typedef endian_buffer<order::big, uint_least32_t, 32> big_uint32_buf_t;
+ typedef endian_buffer<order::big, uint_least64_t, 40> big_uint40_buf_t;
+ typedef endian_buffer<order::big, uint_least64_t, 48> big_uint48_buf_t;
+ typedef endian_buffer<order::big, uint_least64_t, 56> big_uint56_buf_t;
+ typedef endian_buffer<order::big, uint_least64_t, 64> big_uint64_buf_t;
+
+ // unaligned little endian signed integer buffers
+ typedef endian_buffer<order::little, int_least8_t, 8> little_int8_buf_t;
+ typedef endian_buffer<order::little, int_least16_t, 16> little_int16_buf_t;
+ typedef endian_buffer<order::little, int_least32_t, 24> little_int24_buf_t;
+ typedef endian_buffer<order::little, int_least32_t, 32> little_int32_buf_t;
+ typedef endian_buffer<order::little, int_least64_t, 40> little_int40_buf_t;
+ typedef endian_buffer<order::little, int_least64_t, 48> little_int48_buf_t;
+ typedef endian_buffer<order::little, int_least64_t, 56> little_int56_buf_t;
+ typedef endian_buffer<order::little, int_least64_t, 64> little_int64_buf_t;
+
+ // unaligned little endian unsigned integer buffers
+ typedef endian_buffer<order::little, uint_least8_t, 8> little_uint8_buf_t;
+ typedef endian_buffer<order::little, uint_least16_t, 16> little_uint16_buf_t;
+ typedef endian_buffer<order::little, uint_least32_t, 24> little_uint24_buf_t;
+ typedef endian_buffer<order::little, uint_least32_t, 32> little_uint32_buf_t;
+ typedef endian_buffer<order::little, uint_least64_t, 40> little_uint40_buf_t;
+ typedef endian_buffer<order::little, uint_least64_t, 48> little_uint48_buf_t;
+ typedef endian_buffer<order::little, uint_least64_t, 56> little_uint56_buf_t;
+ typedef endian_buffer<order::little, uint_least64_t, 64> little_uint64_buf_t;
+
+# ifdef BOOST_BIG_ENDIAN
+ // unaligned native endian signed integer buffers
+ typedef big_int8_buf_t native_int8_buf_t;
+ typedef big_int16_buf_t native_int16_buf_t;
+ typedef big_int24_buf_t native_int24_buf_t;
+ typedef big_int32_buf_t native_int32_buf_t;
+ typedef big_int40_buf_t native_int40_buf_t;
+ typedef big_int48_buf_t native_int48_buf_t;
+ typedef big_int56_buf_t native_int56_buf_t;
+ typedef big_int64_buf_t native_int64_buf_t;
+
+ // unaligned native endian unsigned integer buffers
+ typedef big_uint8_buf_t native_uint8_buf_t;
+ typedef big_uint16_buf_t native_uint16_buf_t;
+ typedef big_uint24_buf_t native_uint24_buf_t;
+ typedef big_uint32_buf_t native_uint32_buf_t;
+ typedef big_uint40_buf_t native_uint40_buf_t;
+ typedef big_uint48_buf_t native_uint48_buf_t;
+ typedef big_uint56_buf_t native_uint56_buf_t;
+ typedef big_uint64_buf_t native_uint64_buf_t;
+# else
+ // unaligned native endian signed integer buffers
+ typedef little_int8_buf_t native_int8_buf_t;
+ typedef little_int16_buf_t native_int16_buf_t;
+ typedef little_int24_buf_t native_int24_buf_t;
+ typedef little_int32_buf_t native_int32_buf_t;
+ typedef little_int40_buf_t native_int40_buf_t;
+ typedef little_int48_buf_t native_int48_buf_t;
+ typedef little_int56_buf_t native_int56_buf_t;
+ typedef little_int64_buf_t native_int64_buf_t;
+
+ // unaligned native endian unsigned integer buffers
+ typedef little_uint8_buf_t native_uint8_buf_t;
+ typedef little_uint16_buf_t native_uint16_buf_t;
+ typedef little_uint24_buf_t native_uint24_buf_t;
+ typedef little_uint32_buf_t native_uint32_buf_t;
+ typedef little_uint40_buf_t native_uint40_buf_t;
+ typedef little_uint48_buf_t native_uint48_buf_t;
+ typedef little_uint56_buf_t native_uint56_buf_t;
+ typedef little_uint64_buf_t native_uint64_buf_t;
+# endif
+
+ // Stream inserter
+ template <class charT, class traits, BOOST_SCOPED_ENUM(order) Order, class T,
+ std::size_t n_bits, BOOST_SCOPED_ENUM(align) A>
+ std::basic_ostream<charT, traits>&
+ operator<<(std::basic_ostream<charT, traits>& os,
+ const endian_buffer<Order, T, n_bits, A>& x)
+ {
+ return os << x.value();
+ }
+
+ // Stream extractor
+ template <class charT, class traits, BOOST_SCOPED_ENUM(order) Order, class T,
+ std::size_t n_bits, BOOST_SCOPED_ENUM(align) A>
+ std::basic_istream<charT, traits>&
+ operator>>(std::basic_istream<charT, traits>& is,
+ endian_buffer<Order, T, n_bits, A>& x)
+ {
+ T i;
+ if (is >> i)
+ x = i;
+ return is;
+ }
+
+//---------------------------------- end synopsis ------------------------------------//
+
+ namespace detail
+ {
+
+ // Unrolled loops for loading and storing streams of bytes.
+
+ template <typename T, std::size_t n_bytes,
+ bool sign=boost::is_signed<T>::value >
+ struct unrolled_byte_loops
+ {
+ typedef unrolled_byte_loops<T, n_bytes - 1, sign> next;
+
+ static T load_big(const unsigned char* bytes) BOOST_NOEXCEPT
+ { return static_cast<T>(*(bytes - 1) | (next::load_big(bytes - 1) << 8)); }
+ static T load_little(const unsigned char* bytes) BOOST_NOEXCEPT
+ { return static_cast<T>(*bytes | (next::load_little(bytes + 1) << 8)); }
+
+ static void store_big(char* bytes, T value) BOOST_NOEXCEPT
+ {
+ *(bytes - 1) = static_cast<char>(value);
+ next::store_big(bytes - 1, static_cast<T>(value >> 8));
+ }
+ static void store_little(char* bytes, T value) BOOST_NOEXCEPT
+ {
+ *bytes = static_cast<char>(value);
+ next::store_little(bytes + 1, static_cast<T>(value >> 8));
+ }
+ };
+
+ template <typename T>
+ struct unrolled_byte_loops<T, 1, false>
+ {
+ static T load_big(const unsigned char* bytes) BOOST_NOEXCEPT
+ { return *(bytes - 1); }
+ static T load_little(const unsigned char* bytes) BOOST_NOEXCEPT
+ { return *bytes; }
+ static void store_big(char* bytes, T value) BOOST_NOEXCEPT
+ { *(bytes - 1) = static_cast<char>(value); }
+ static void store_little(char* bytes, T value) BOOST_NOEXCEPT
+ { *bytes = static_cast<char>(value); }
+
+ };
+
+ template <typename T>
+ struct unrolled_byte_loops<T, 1, true>
+ {
+ static T load_big(const unsigned char* bytes) BOOST_NOEXCEPT
+ { return *reinterpret_cast<const signed char*>(bytes - 1); }
+ static T load_little(const unsigned char* bytes) BOOST_NOEXCEPT
+ { return *reinterpret_cast<const signed char*>(bytes); }
+ static void store_big(char* bytes, T value) BOOST_NOEXCEPT
+ { *(bytes - 1) = static_cast<char>(value); }
+ static void store_little(char* bytes, T value) BOOST_NOEXCEPT
+ { *bytes = static_cast<char>(value); }
+ };
+
+ template <typename T, std::size_t n_bytes>
+ inline
+ T load_big_endian(const void* bytes) BOOST_NOEXCEPT
+ {
+ return unrolled_byte_loops<T, n_bytes>::load_big
+ (static_cast<const unsigned char*>(bytes) + n_bytes);
+ }
+
+ template <typename T, std::size_t n_bytes>
+ inline
+ T load_little_endian(const void* bytes) BOOST_NOEXCEPT
+ {
+# if defined(__x86_64__) || defined(_M_X64) || defined(__i386) || defined(_M_IX86)
+ // On x86 (which is little endian), unaligned loads are permitted
+ if (sizeof(T) == n_bytes) // GCC 4.9, VC++ 14.0, and probably others, elide this
+ // test and generate code only for the applicable return
+ // case since sizeof(T) and n_bytes are known at compile
+ // time.
+ {
+ return *reinterpret_cast<T const *>(bytes);
+ }
+# endif
+ return unrolled_byte_loops<T, n_bytes>::load_little
+ (static_cast<const unsigned char*>(bytes));
+ }
+
+ template <typename T, std::size_t n_bytes>
+ inline
+ void store_big_endian(void* bytes, T value) BOOST_NOEXCEPT
+ {
+ unrolled_byte_loops<T, n_bytes>::store_big
+ (static_cast<char*>(bytes) + n_bytes, value);
+ }
+
+ template <typename T, std::size_t n_bytes>
+ inline
+ void store_little_endian(void* bytes, T value) BOOST_NOEXCEPT
+ {
+# if defined(__x86_64__) || defined(_M_X64) || defined(__i386) || defined(_M_IX86)
+ // On x86 (which is little endian), unaligned stores are permitted
+ if (sizeof(T) == n_bytes) // GCC 4.9, VC++ 14.0, and probably others, elide this
+ // test and generate code only for the applicable return
+ // case since sizeof(T) and n_bytes are known at compile
+ // time.
+ {
+ *reinterpret_cast<T *>(bytes) = value;
+ return;
+ }
+# endif
+ unrolled_byte_loops<T, n_bytes>::store_little
+ (static_cast<char*>(bytes), value);
+ }
+
+ } // namespace detail
+
+# ifdef BOOST_ENDIAN_LOG
+ bool endian_log(true);
+# endif
+
+// endian_buffer class template specializations --------------------------------------//
+
+ // Specializations that represent unaligned bytes.
+ // Taking an integer type as a parameter provides a nice way to pass both
+ // the size and signedness of the desired integer and get the appropriate
+ // corresponding integer type for the interface.
+
+ // Q: Should endian_buffer supply "value_type operator value_type() const noexcept"?
+ // A: No. The rationale for endian_buffers is to prevent high-cost hidden
+ // conversions. If an implicit conversion operator is supplied, hidden conversions
+ // can occur.
+
+ // unaligned big endian_buffer specialization
+ template <typename T, std::size_t n_bits>
+ class endian_buffer< order::big, T, n_bits, align::no >
+ {
+ BOOST_STATIC_ASSERT( (n_bits/8)*8 == n_bits );
+ public:
+ typedef T value_type;
+# ifndef BOOST_ENDIAN_NO_CTORS
+ endian_buffer() BOOST_ENDIAN_DEFAULT_CONSTRUCT
+ explicit endian_buffer(T val) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_LOG
+ if ( endian_log )
+ std::cout << "big, unaligned, "
+ << n_bits << "-bits, construct(" << val << ")\n";
+# endif
+ detail::store_big_endian<T, n_bits/8>(m_value, val);
+ }
+# endif
+ endian_buffer & operator=(T val) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_LOG
+ if (endian_log)
+ std::cout << "big, unaligned, " << n_bits << "-bits, assign(" << val << ")\n";
+# endif
+ detail::store_big_endian<T, n_bits/8>(m_value, val);
+ return *this;
+ }
+ value_type value() const BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_LOG
+ if ( endian_log )
+ std::cout << "big, unaligned, " << n_bits << "-bits, convert("
+ << detail::load_big_endian<T, n_bits/8>(m_value) << ")\n";
+# endif
+ return detail::load_big_endian<T, n_bits/8>(m_value);
+ }
+ const char* data() const BOOST_NOEXCEPT { return m_value; }
+ protected:
+ char m_value[n_bits/8];
+ };
+
+ // unaligned little endian_buffer specialization
+ template <typename T, std::size_t n_bits>
+ class endian_buffer< order::little, T, n_bits, align::no >
+ {
+ BOOST_STATIC_ASSERT( (n_bits/8)*8 == n_bits );
+ public:
+ typedef T value_type;
+# ifndef BOOST_ENDIAN_NO_CTORS
+ endian_buffer() BOOST_ENDIAN_DEFAULT_CONSTRUCT
+ explicit endian_buffer(T val) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_LOG
+ if ( endian_log )
+ std::cout << "little, unaligned, " << n_bits << "-bits, construct("
+ << val << ")\n";
+# endif
+ detail::store_little_endian<T, n_bits/8>(m_value, val);
+ }
+# endif
+ endian_buffer & operator=(T val) BOOST_NOEXCEPT
+ { detail::store_little_endian<T, n_bits/8>(m_value, val); return *this; }
+ value_type value() const BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_LOG
+ if ( endian_log )
+ std::cout << "little, unaligned, " << n_bits << "-bits, convert("
+ << detail::load_little_endian<T, n_bits/8>(m_value) << ")\n";
+# endif
+ return detail::load_little_endian<T, n_bits/8>(m_value);
+ }
+ const char* data() const BOOST_NOEXCEPT { return m_value; }
+ protected:
+ char m_value[n_bits/8];
+ };
+
+ // align::yes specializations; only n_bits == 16/32/64 supported
+
+ // aligned big endian_buffer specialization
+ template <typename T, std::size_t n_bits>
+ class endian_buffer<order::big, T, n_bits, align::yes>
+ {
+ BOOST_STATIC_ASSERT( (n_bits/8)*8 == n_bits );
+ BOOST_STATIC_ASSERT( sizeof(T) == n_bits/8 );
+ public:
+ typedef T value_type;
+# ifndef BOOST_ENDIAN_NO_CTORS
+ endian_buffer() BOOST_ENDIAN_DEFAULT_CONSTRUCT
+ explicit endian_buffer(T val) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_LOG
+ if ( endian_log )
+ std::cout << "big, aligned, " << n_bits
+ << "-bits, construct(" << val << ")\n";
+# endif
+ m_value = ::boost::endian::native_to_big(val);
+ }
+
+# endif
+ endian_buffer& operator=(T val) BOOST_NOEXCEPT
+ {
+ m_value = ::boost::endian::native_to_big(val);
+ return *this;
+ }
+ //operator value_type() const BOOST_NOEXCEPT
+ //{
+ // return ::boost::endian::big_to_native(m_value);
+ //}
+ value_type value() const BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_LOG
+ if ( endian_log )
+ std::cout << "big, aligned, " << n_bits << "-bits, convert("
+ << ::boost::endian::big_to_native(m_value) << ")\n";
+# endif
+ return ::boost::endian::big_to_native(m_value);
+ }
+ const char* data() const BOOST_NOEXCEPT
+ {return reinterpret_cast<const char*>(&m_value);}
+ protected:
+ T m_value;
+ };
+
+ // aligned little endian_buffer specialization
+ template <typename T, std::size_t n_bits>
+ class endian_buffer<order::little, T, n_bits, align::yes>
+ {
+ BOOST_STATIC_ASSERT( (n_bits/8)*8 == n_bits );
+ BOOST_STATIC_ASSERT( sizeof(T) == n_bits/8 );
+ public:
+ typedef T value_type;
+# ifndef BOOST_ENDIAN_NO_CTORS
+ endian_buffer() BOOST_ENDIAN_DEFAULT_CONSTRUCT
+ explicit endian_buffer(T val) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_LOG
+ if ( endian_log )
+ std::cout << "little, aligned, " << n_bits
+ << "-bits, construct(" << val << ")\n";
+# endif
+ m_value = ::boost::endian::native_to_little(val);
+ }
+
+# endif
+ endian_buffer& operator=(T val) BOOST_NOEXCEPT
+ {
+ m_value = ::boost::endian::native_to_little(val);
+ return *this;
+ }
+ value_type value() const BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_LOG
+ if ( endian_log )
+ std::cout << "little, aligned, " << n_bits << "-bits, convert("
+ << ::boost::endian::little_to_native(m_value) << ")\n";
+# endif
+ return ::boost::endian::little_to_native(m_value);
+ }
+ const char* data() const BOOST_NOEXCEPT
+ {return reinterpret_cast<const char*>(&m_value);}
+ protected:
+ T m_value;
+ };
+
+} // namespace endian
+} // namespace boost
+
+#if defined(__BORLANDC__) || defined( __CODEGEARC__)
+# pragma pack(pop)
+#endif
+
+#if defined(_MSC_VER)
+# pragma warning(pop)
+#endif
+
+#endif // BOOST_ENDIAN_BUFFERS_HPP
diff --git a/boost/endian/conversion.hpp b/boost/endian/conversion.hpp
new file mode 100644
index 0000000000..1d89596ebf
--- /dev/null
+++ b/boost/endian/conversion.hpp
@@ -0,0 +1,487 @@
+// boost/endian/conversion.hpp -------------------------------------------------------//
+
+// Copyright Beman Dawes 2010, 2011, 2014
+
+// Distributed under the Boost Software License, Version 1.0.
+// http://www.boost.org/LICENSE_1_0.txt
+
+#ifndef BOOST_ENDIAN_CONVERSION_HPP
+#define BOOST_ENDIAN_CONVERSION_HPP
+
+#include <boost/config.hpp>
+#include <boost/predef/detail/endian_compat.h>
+#include <boost/cstdint.hpp>
+#include <boost/endian/detail/intrinsic.hpp>
+#include <boost/core/scoped_enum.hpp>
+#include <boost/static_assert.hpp>
+#include <algorithm>
+#include <cstring> // for memcpy
+
+//------------------------------------- synopsis ---------------------------------------//
+
+namespace boost
+{
+namespace endian
+{
+#ifndef BOOST_ENDIAN_ORDER_ENUM_DEFINED
+ BOOST_SCOPED_ENUM_START(order)
+ {
+ big, little,
+# ifdef BOOST_BIG_ENDIAN
+ native = big
+# else
+ native = little
+# endif
+ }; BOOST_SCOPED_ENUM_END
+# define BOOST_ENDIAN_ORDER_ENUM_DEFINED
+#endif
+
+//--------------------------------------------------------------------------------------//
+// //
+// return-by-value interfaces //
+// suggested by Phil Endecott //
+// //
+// user-defined types (UDTs) //
+// //
+// All return-by-value conversion function templates are required to be implemented in //
+// terms of an unqualified call to "endian_reverse(x)", a function returning the //
+// value of x with endianness reversed. This provides a customization point for any //
+// UDT that provides a "endian_reverse" free-function meeting the requirements. //
+// It must be defined in the same namespace as the UDT itself so that it will be found //
+// by argument dependent lookup (ADL). //
+// //
+//--------------------------------------------------------------------------------------//
+
+ // customization for exact-length arithmetic types. See doc/conversion.html/#FAQ
+ inline int8_t endian_reverse(int8_t x) BOOST_NOEXCEPT;
+ inline int16_t endian_reverse(int16_t x) BOOST_NOEXCEPT;
+ inline int32_t endian_reverse(int32_t x) BOOST_NOEXCEPT;
+ inline int64_t endian_reverse(int64_t x) BOOST_NOEXCEPT;
+ inline uint8_t endian_reverse(uint8_t x) BOOST_NOEXCEPT;
+ inline uint16_t endian_reverse(uint16_t x) BOOST_NOEXCEPT;
+ inline uint32_t endian_reverse(uint32_t x) BOOST_NOEXCEPT;
+ inline uint64_t endian_reverse(uint64_t x) BOOST_NOEXCEPT;
+
+ // reverse byte order unless native endianness is big
+ template <class EndianReversible >
+ inline EndianReversible big_to_native(EndianReversible x) BOOST_NOEXCEPT;
+ // Returns: x if native endian order is big, otherwise endian_reverse(x)
+ template <class EndianReversible >
+ inline EndianReversible native_to_big(EndianReversible x) BOOST_NOEXCEPT;
+ // Returns: x if native endian order is big, otherwise endian_reverse(x)
+
+ // reverse byte order unless native endianness is little
+ template <class EndianReversible >
+ inline EndianReversible little_to_native(EndianReversible x) BOOST_NOEXCEPT;
+ // Returns: x if native endian order is little, otherwise endian_reverse(x)
+ template <class EndianReversible >
+ inline EndianReversible native_to_little(EndianReversible x) BOOST_NOEXCEPT;
+ // Returns: x if native endian order is little, otherwise endian_reverse(x)
+
+ // generic conditional reverse byte order
+ template <BOOST_SCOPED_ENUM(order) From, BOOST_SCOPED_ENUM(order) To,
+ class EndianReversible>
+ inline EndianReversible conditional_reverse(EndianReversible from) BOOST_NOEXCEPT;
+ // Returns: If From == To have different values, from.
+ // Otherwise endian_reverse(from).
+ // Remarks: The From == To test, and as a consequence which form the return takes, is
+ // is determined at compile time.
+
+ // runtime conditional reverse byte order
+ template <class EndianReversible >
+ inline EndianReversible conditional_reverse(EndianReversible from,
+ BOOST_SCOPED_ENUM(order) from_order, BOOST_SCOPED_ENUM(order) to_order)
+ BOOST_NOEXCEPT;
+ // Returns: from_order == to_order ? from : endian_reverse(from).
+
+ //------------------------------------------------------------------------------------//
+
+
+ // Q: What happended to bswap, htobe, and the other synonym functions based on names
+ // popularized by BSD, OS X, and Linux?
+ // A: Turned out these may be implemented as macros on some systems. Ditto POSIX names
+ // for such functionality. Since macros would cause endless problems with functions
+ // of the same names, and these functions are just synonyms anyhow, they have been
+ // removed.
+
+
+ //------------------------------------------------------------------------------------//
+ // //
+ // reverse in place interfaces //
+ // //
+ // user-defined types (UDTs) //
+ // //
+ // All reverse in place function templates are required to be implemented in terms //
+ // of an unqualified call to "endian_reverse_inplace(x)", a function reversing //
+ // the endianness of x, which is a non-const reference. This provides a //
+ // customization point for any UDT that provides a "reverse_inplace" free-function //
+ // meeting the requirements. The free-function must be declared in the same //
+ // namespace as the UDT itself so that it will be found by argument-dependent //
+ // lookup (ADL). //
+ // //
+ //------------------------------------------------------------------------------------//
+
+ // reverse in place
+ template <class EndianReversible>
+ inline void endian_reverse_inplace(EndianReversible& x) BOOST_NOEXCEPT;
+ // Effects: x = endian_reverse(x)
+
+ // reverse in place unless native endianness is big
+ template <class EndianReversibleInplace>
+ inline void big_to_native_inplace(EndianReversibleInplace& x) BOOST_NOEXCEPT;
+ // Effects: none if native byte-order is big, otherwise endian_reverse_inplace(x)
+ template <class EndianReversibleInplace>
+ inline void native_to_big_inplace(EndianReversibleInplace& x) BOOST_NOEXCEPT;
+ // Effects: none if native byte-order is big, otherwise endian_reverse_inplace(x)
+
+ // reverse in place unless native endianness is little
+ template <class EndianReversibleInplace>
+ inline void little_to_native_inplace(EndianReversibleInplace& x) BOOST_NOEXCEPT;
+ // Effects: none if native byte-order is little, otherwise endian_reverse_inplace(x);
+ template <class EndianReversibleInplace>
+ inline void native_to_little_inplace(EndianReversibleInplace& x) BOOST_NOEXCEPT;
+ // Effects: none if native byte-order is little, otherwise endian_reverse_inplace(x);
+
+ // generic conditional reverse in place
+ template <BOOST_SCOPED_ENUM(order) From, BOOST_SCOPED_ENUM(order) To,
+ class EndianReversibleInplace>
+ inline void conditional_reverse_inplace(EndianReversibleInplace& x) BOOST_NOEXCEPT;
+
+ // runtime reverse in place
+ template <class EndianReversibleInplace>
+ inline void conditional_reverse_inplace(EndianReversibleInplace& x,
+ BOOST_SCOPED_ENUM(order) from_order, BOOST_SCOPED_ENUM(order) to_order)
+ BOOST_NOEXCEPT;
+
+//----------------------------------- end synopsis -------------------------------------//
+
+ namespace detail
+ {
+ // generic reverse function template implementation approach using std::reverse
+ // suggested by Mathias Gaunard. Primary motivation for inclusion is to have an
+ // independent implementation to test against.
+
+ template <class T>
+ inline T std_endian_reverse(T x) BOOST_NOEXCEPT
+ {
+ T tmp(x);
+ std::reverse(
+ reinterpret_cast<unsigned char*>(&tmp),
+ reinterpret_cast<unsigned char*>(&tmp) + sizeof(T));
+ return tmp;
+ }
+
+ // conditional unaligned reverse copy, patterned after std::reverse_copy
+ template <class T>
+ inline void big_reverse_copy(T from, char* to) BOOST_NOEXCEPT;
+ template <class T>
+ inline void big_reverse_copy(const char* from, T& to) BOOST_NOEXCEPT;
+ template <class T>
+ inline void little_reverse_copy(T from, char* to) BOOST_NOEXCEPT;
+ template <class T>
+ inline void little_reverse_copy(const char* from, T& to) BOOST_NOEXCEPT;
+ } // namespace detail
+
+//--------------------------------------------------------------------------------------//
+// //
+// return-by-value implementation //
+// //
+// -- portable approach suggested by tymofey, with avoidance of undefined behavior //
+// as suggested by Giovanni Piero Deretta, with a further refinement suggested //
+// by Pyry Jahkola. //
+// -- intrinsic approach suggested by reviewers, and by David Stone, who provided //
+// his Boost licensed macro implementation (detail/intrinsic.hpp) //
+// //
+//--------------------------------------------------------------------------------------//
+
+ inline int8_t endian_reverse(int8_t x) BOOST_NOEXCEPT
+ {
+ return x;
+ }
+
+ inline int16_t endian_reverse(int16_t x) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_NO_INTRINSICS
+ return (static_cast<uint16_t>(x) << 8)
+ | (static_cast<uint16_t>(x) >> 8);
+# else
+ return BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_2(static_cast<uint16_t>(x));
+# endif
+ }
+
+ inline int32_t endian_reverse(int32_t x) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_NO_INTRINSICS
+ uint32_t step16;
+ step16 = static_cast<uint32_t>(x) << 16 | static_cast<uint32_t>(x) >> 16;
+ return
+ ((static_cast<uint32_t>(step16) << 8) & 0xff00ff00)
+ | ((static_cast<uint32_t>(step16) >> 8) & 0x00ff00ff);
+# else
+ return BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_4(static_cast<uint32_t>(x));
+# endif
+ }
+
+ inline int64_t endian_reverse(int64_t x) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_NO_INTRINSICS
+ uint64_t step32, step16;
+ step32 = static_cast<uint64_t>(x) << 32 | static_cast<uint64_t>(x) >> 32;
+ step16 = (step32 & 0x0000FFFF0000FFFFULL) << 16
+ | (step32 & 0xFFFF0000FFFF0000ULL) >> 16;
+ return static_cast<int64_t>((step16 & 0x00FF00FF00FF00FFULL) << 8
+ | (step16 & 0xFF00FF00FF00FF00ULL) >> 8);
+# else
+ return BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_8(static_cast<uint64_t>(x));
+# endif
+ }
+
+ inline uint8_t endian_reverse(uint8_t x) BOOST_NOEXCEPT
+ {
+ return x;
+ }
+
+ inline uint16_t endian_reverse(uint16_t x) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_NO_INTRINSICS
+ return (x << 8)
+ | (x >> 8);
+# else
+ return BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_2(x);
+# endif
+ }
+
+ inline uint32_t endian_reverse(uint32_t x) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_NO_INTRINSICS
+ uint32_t step16;
+ step16 = x << 16 | x >> 16;
+ return
+ ((step16 << 8) & 0xff00ff00)
+ | ((step16 >> 8) & 0x00ff00ff);
+# else
+ return BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_4(x);
+# endif
+ }
+
+ inline uint64_t endian_reverse(uint64_t x) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_ENDIAN_NO_INTRINSICS
+ uint64_t step32, step16;
+ step32 = x << 32 | x >> 32;
+ step16 = (step32 & 0x0000FFFF0000FFFFULL) << 16
+ | (step32 & 0xFFFF0000FFFF0000ULL) >> 16;
+ return (step16 & 0x00FF00FF00FF00FFULL) << 8
+ | (step16 & 0xFF00FF00FF00FF00ULL) >> 8;
+# else
+ return BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_8(x);
+# endif
+ }
+
+ template <class EndianReversible >
+ inline EndianReversible big_to_native(EndianReversible x) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_BIG_ENDIAN
+ return x;
+# else
+ return endian_reverse(x);
+# endif
+ }
+
+ template <class EndianReversible >
+ inline EndianReversible native_to_big(EndianReversible x) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_BIG_ENDIAN
+ return x;
+# else
+ return endian_reverse(x);
+# endif
+ }
+
+ template <class EndianReversible >
+ inline EndianReversible little_to_native(EndianReversible x) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_LITTLE_ENDIAN
+ return x;
+# else
+ return endian_reverse(x);
+# endif
+ }
+
+ template <class EndianReversible >
+ inline EndianReversible native_to_little(EndianReversible x) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_LITTLE_ENDIAN
+ return x;
+# else
+ return endian_reverse(x);
+# endif
+ }
+
+ namespace detail
+ {
+ // Primary template and specializations to support endian_reverse().
+ // See rationale in endian_reverse() below.
+ template <BOOST_SCOPED_ENUM(order) From, BOOST_SCOPED_ENUM(order) To,
+ class EndianReversible>
+ class value_converter ; // primary template
+ template <class T> class value_converter <order::big, order::big, T>
+ {public: T operator()(T x) BOOST_NOEXCEPT {return x;}};
+ template <class T> class value_converter <order::little, order::little, T>
+ {public: T operator()(T x) BOOST_NOEXCEPT {return x;}};
+ template <class T> class value_converter <order::big, order::little, T>
+ {public: T operator()(T x) BOOST_NOEXCEPT {return endian_reverse(x);}};
+ template <class T> class value_converter <order::little, order::big, T>
+ {public: T operator()(T x) BOOST_NOEXCEPT {return endian_reverse(x);}};
+ }
+
+ // generic conditional reverse
+ template <BOOST_SCOPED_ENUM(order) From, BOOST_SCOPED_ENUM(order) To,
+ class EndianReversible>
+ inline EndianReversible conditional_reverse(EndianReversible from) BOOST_NOEXCEPT {
+ // work around lack of function template partial specialization by instantiating
+ // a function object of a class that is partially specialized on the two order
+ // template parameters, and then calling its operator().
+ detail::value_converter <From, To, EndianReversible> tmp;
+ return tmp(from);
+ }
+
+ // runtime conditional reverse
+ template <class EndianReversible >
+ inline EndianReversible conditional_reverse(EndianReversible from,
+ BOOST_SCOPED_ENUM(order) from_order, BOOST_SCOPED_ENUM(order) to_order) BOOST_NOEXCEPT
+ {
+ return from_order == to_order ? from : endian_reverse(from);
+ }
+
+//--------------------------------------------------------------------------------------//
+// reverse-in-place implementation //
+//--------------------------------------------------------------------------------------//
+
+ // reverse in place
+ template <class EndianReversible>
+ inline void endian_reverse_inplace(EndianReversible& x) BOOST_NOEXCEPT
+ {
+ x = endian_reverse(x);
+ }
+
+ template <class EndianReversibleInplace>
+# ifdef BOOST_BIG_ENDIAN
+ inline void big_to_native_inplace(EndianReversibleInplace&) BOOST_NOEXCEPT {}
+# else
+ inline void big_to_native_inplace(EndianReversibleInplace& x) BOOST_NOEXCEPT
+ { endian_reverse_inplace(x); }
+# endif
+ template <class EndianReversibleInplace>
+# ifdef BOOST_BIG_ENDIAN
+ inline void native_to_big_inplace(EndianReversibleInplace&) BOOST_NOEXCEPT {}
+# else
+ inline void native_to_big_inplace(EndianReversibleInplace& x) BOOST_NOEXCEPT
+ {
+ endian_reverse_inplace(x);
+ }
+# endif
+
+ template <class EndianReversibleInplace>
+# ifdef BOOST_LITTLE_ENDIAN
+ inline void little_to_native_inplace(EndianReversibleInplace&) BOOST_NOEXCEPT {}
+# else
+ inline void little_to_native_inplace(EndianReversibleInplace& x) BOOST_NOEXCEPT
+ { endian_reverse_inplace(x); }
+# endif
+ template <class EndianReversibleInplace>
+# ifdef BOOST_LITTLE_ENDIAN
+ inline void native_to_little_inplace(EndianReversibleInplace&) BOOST_NOEXCEPT {}
+# else
+ inline void native_to_little_inplace(EndianReversibleInplace& x) BOOST_NOEXCEPT
+ {
+ endian_reverse_inplace(x);
+ }
+# endif
+
+ namespace detail
+ {
+ // Primary template and specializations support generic
+ // endian_reverse_inplace().
+ // See rationale in endian_reverse_inplace() below.
+ template <BOOST_SCOPED_ENUM(order) From, BOOST_SCOPED_ENUM(order) To,
+ class EndianReversibleInplace>
+ class converter; // primary template
+ template <class T> class converter<order::big, order::big, T>
+ {public: void operator()(T&) BOOST_NOEXCEPT {/*no effect*/}};
+ template <class T> class converter<order::little, order::little, T>
+ {public: void operator()(T&) BOOST_NOEXCEPT {/*no effect*/}};
+ template <class T> class converter<order::big, order::little, T>
+ {public: void operator()(T& x) BOOST_NOEXCEPT { endian_reverse_inplace(x); }};
+ template <class T> class converter<order::little, order::big, T>
+ {public: void operator()(T& x) BOOST_NOEXCEPT { endian_reverse_inplace(x); }};
+ } // namespace detail
+
+ // generic conditional reverse in place
+ template <BOOST_SCOPED_ENUM(order) From, BOOST_SCOPED_ENUM(order) To,
+ class EndianReversibleInplace>
+ inline void conditional_reverse_inplace(EndianReversibleInplace& x) BOOST_NOEXCEPT
+ {
+ // work around lack of function template partial specialization by instantiating
+ // a function object of a class that is partially specialized on the two order
+ // template parameters, and then calling its operator().
+ detail::converter<From, To, EndianReversibleInplace> tmp;
+ tmp(x); // call operator ()
+ }
+
+ // runtime reverse in place
+ template <class EndianReversibleInplace>
+ inline void conditional_reverse_inplace(EndianReversibleInplace& x,
+ BOOST_SCOPED_ENUM(order) from_order, BOOST_SCOPED_ENUM(order) to_order)
+ BOOST_NOEXCEPT
+ {
+ if (from_order != to_order)
+ endian_reverse_inplace(x);
+ }
+
+
+ namespace detail
+ {
+ template <class T>
+ inline void big_reverse_copy(T from, char* to) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_BIG_ENDIAN
+ std::memcpy(to, reinterpret_cast<const char*>(&from), sizeof(T));
+# else
+ std::reverse_copy(reinterpret_cast<const char*>(&from),
+ reinterpret_cast<const char*>(&from) + sizeof(T), to);
+# endif
+ }
+ template <class T>
+ inline void big_reverse_copy(const char* from, T& to) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_BIG_ENDIAN
+ std::memcpy(reinterpret_cast<char*>(&to), from, sizeof(T));
+# else
+ std::reverse_copy(from, from + sizeof(T), reinterpret_cast<char*>(&to));
+# endif
+ }
+ template <class T>
+ inline void little_reverse_copy(T from, char* to) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_LITTLE_ENDIAN
+ std::memcpy(to, reinterpret_cast<const char*>(&from), sizeof(T));
+# else
+ std::reverse_copy(reinterpret_cast<const char*>(&from),
+ reinterpret_cast<const char*>(&from) + sizeof(T), to);
+# endif
+ }
+ template <class T>
+ inline void little_reverse_copy(const char* from, T& to) BOOST_NOEXCEPT
+ {
+# ifdef BOOST_LITTLE_ENDIAN
+ std::memcpy(reinterpret_cast<char*>(&to), from, sizeof(T));
+# else
+ std::reverse_copy(from, from + sizeof(T), reinterpret_cast<char*>(&to));
+# endif
+ }
+ } // namespace detail
+} // namespace endian
+} // namespace boost
+
+#endif // BOOST_ENDIAN_CONVERSION_HPP
diff --git a/boost/endian/detail/config.hpp b/boost/endian/detail/config.hpp
new file mode 100644
index 0000000000..8ece0a1e9f
--- /dev/null
+++ b/boost/endian/detail/config.hpp
@@ -0,0 +1,62 @@
+// boost/endian/detail/config.hpp ----------------------------------------------------//
+
+// Copyright Beman Dawes 2003, 2010
+
+// Distributed under the Boost Software License, Version 1.0.
+// See http://www.boost.org/LICENSE_1_0.txt
+
+//--------------------------------------------------------------------------------------//
+
+#ifndef BOOST_ENDIAN_CONFIG_HPP
+#define BOOST_ENDIAN_CONFIG_HPP
+
+// This header implements separate compilation features as described in
+// http://www.boost.org/more/separate_compilation.html
+
+#include <boost/config.hpp>
+#include <boost/system/api_config.hpp> // for BOOST_POSIX_API or BOOST_WINDOWS_API
+
+// throw an exception ----------------------------------------------------------------//
+//
+// Exceptions were originally thrown via boost::throw_exception().
+// As throw_exception() became more complex, it caused user error reporting
+// to be harder to interpret, since the exception reported became much more complex.
+// The immediate fix was to throw directly, wrapped in a macro to make any later change
+// easier.
+
+#define BOOST_ENDIAN_THROW(EX) throw EX
+
+// enable dynamic linking -------------------------------------------------------------//
+
+#if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_ENDIAN_DYN_LINK)
+# if defined(BOOST_ENDIAN_SOURCE)
+# define BOOST_ENDIAN_DECL BOOST_SYMBOL_EXPORT
+# else
+# define BOOST_ENDIAN_DECL BOOST_SYMBOL_IMPORT
+# endif
+#else
+# define BOOST_ENDIAN_DECL
+#endif
+
+// enable automatic library variant selection ----------------------------------------//
+
+#if !defined(BOOST_ENDIAN_SOURCE) && !defined(BOOST_ALL_NO_LIB) \
+ && !defined(BOOST_ENDIAN_NO_LIB)
+//
+// Set the name of our library, this will get undef'ed by auto_link.hpp
+// once it's done with it:
+//
+#define BOOST_LIB_NAME boost_endian
+//
+// If we're importing code from a dll, then tell auto_link.hpp about it:
+//
+#if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_ENDIAN_DYN_LINK)
+# define BOOST_DYN_LINK
+#endif
+//
+// And include the header that does the work:
+//
+#include <boost/config/auto_link.hpp>
+#endif // auto-linking disabled
+
+#endif // BOOST_ENDIAN_CONFIG_HPP
diff --git a/boost/endian/detail/cover_operators.hpp b/boost/endian/detail/cover_operators.hpp
new file mode 100644
index 0000000000..f4fd052803
--- /dev/null
+++ b/boost/endian/detail/cover_operators.hpp
@@ -0,0 +1,142 @@
+// boost/endian/detail/cover_operators.hpp ----------------------------------//
+
+// Copyright Darin Adler 2000
+// Copyright Beman Dawes 2008
+
+// 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_ENDIAN_COVER_OPERATORS_HPP
+#define BOOST_ENDIAN_COVER_OPERATORS_HPP
+
+#if defined(_MSC_VER)
+# pragma warning(push)
+# pragma warning(disable:4365) // conversion ... signed/unsigned mismatch
+#endif
+
+# ifndef BOOST_ENDIAN_MINIMAL_COVER_OPERATORS
+# include <boost/operators.hpp>
+# endif
+
+#include <boost/config.hpp>
+#include <iosfwd>
+
+namespace boost
+{
+ namespace endian
+ {
+
+//--------------------------------------------------------------------------------------//
+
+// A class that adds arithmetic operators to an arithmetic cover class
+//
+// Uses the curiously recurring template pattern (CRTP).
+//
+// If the class being covered has a non-explicit conversion to an integer type
+// then a smaller number of cover operations are needed. Define the macro
+// BOOST_ENDIAN_MINIMAL_COVER_OPERATORS to indicate this.
+//
+// Define BOOST_NO_IO_COVER_OPERATORS if I/O cover operations are not desired.
+
+//--------------------------------------------------------------------------------------//
+
+ template <class D, // D is the CRTP derived type, i.e. the cover class
+ class ArithmeticT>
+ class cover_operators
+# ifndef BOOST_ENDIAN_MINIMAL_COVER_OPERATORS
+ : boost::operators<D>
+# endif
+ {
+ // The other operations take advantage of the type conversion that's
+ // built into unary +.
+
+ // Unary operations.
+ friend ArithmeticT operator+(const D& x) BOOST_NOEXCEPT { return x; }
+# ifndef BOOST_ENDIAN_MINIMAL_COVER_OPERATORS
+ friend ArithmeticT operator-(const D& x) BOOST_NOEXCEPT { return -+x; }
+ friend ArithmeticT operator~(const D& x) BOOST_NOEXCEPT { return ~+x; }
+ friend ArithmeticT operator!(const D& x) BOOST_NOEXCEPT { return !+x; }
+
+ // The basic ordering operations.
+ friend bool operator==(const D& x, ArithmeticT y) BOOST_NOEXCEPT { return +x == y; }
+ friend bool operator<(const D& x, ArithmeticT y) BOOST_NOEXCEPT { return +x < y; }
+# endif
+
+ // The basic arithmetic operations.
+ friend D& operator+=(D& x, ArithmeticT y) BOOST_NOEXCEPT
+ { return x = static_cast<ArithmeticT>(+x + y); }
+ friend D& operator-=(D& x, ArithmeticT y) BOOST_NOEXCEPT
+ { return x = static_cast<ArithmeticT>(+x - y); }
+ friend D& operator*=(D& x, ArithmeticT y) BOOST_NOEXCEPT
+ { return x = static_cast<ArithmeticT>(+x * y); }
+ friend D& operator/=(D& x, ArithmeticT y) BOOST_NOEXCEPT
+ { return x = static_cast<ArithmeticT>(+x / y); }
+ friend D& operator%=(D& x, ArithmeticT y) BOOST_NOEXCEPT
+ { return x = static_cast<ArithmeticT>(+x % y); }
+ friend D& operator&=(D& x, ArithmeticT y) BOOST_NOEXCEPT
+ { return x = static_cast<ArithmeticT>(+x & y); }
+ friend D& operator|=(D& x, ArithmeticT y) BOOST_NOEXCEPT
+ { return x = static_cast<ArithmeticT>(+x | y); }
+ friend D& operator^=(D& x, ArithmeticT y) BOOST_NOEXCEPT
+ { return x = static_cast<ArithmeticT>(+x ^ y); }
+ friend D& operator<<=(D& x, ArithmeticT y) BOOST_NOEXCEPT
+ { return x = static_cast<ArithmeticT>(+x << y); }
+ friend D& operator>>=(D& x, ArithmeticT y) BOOST_NOEXCEPT
+ { return x = static_cast<ArithmeticT>(+x >> y); }
+
+ // A few binary arithmetic operations not covered by operators base class.
+ friend ArithmeticT operator<<(const D& x, ArithmeticT y) BOOST_NOEXCEPT
+ { return static_cast<ArithmeticT>(+x << y); }
+ friend ArithmeticT operator>>(const D& x, ArithmeticT y) BOOST_NOEXCEPT
+ { return static_cast<ArithmeticT>(+x >> y); }
+
+ // Auto-increment and auto-decrement can be defined in terms of the
+ // arithmetic operations.
+ friend D& operator++(D& x) BOOST_NOEXCEPT { return x += 1; }
+ friend D& operator--(D& x) BOOST_NOEXCEPT { return x -= 1; }
+
+# ifdef BOOST_ENDIAN_MINIMAL_COVER_OPERATORS
+ friend D operator++(D& x, int) BOOST_NOEXCEPT
+ {
+ D tmp(x);
+ x += 1;
+ return tmp;
+ }
+ friend D operator--(D& x, int) BOOST_NOEXCEPT
+ {
+ D tmp(x);
+ x -= 1;
+ return tmp;
+ }
+# endif
+
+# ifndef BOOST_NO_IO_COVER_OPERATORS
+
+ // Stream inserter
+ template <class charT, class traits>
+ friend std::basic_ostream<charT, traits>&
+ operator<<(std::basic_ostream<charT, traits>& os, const D& x)
+ {
+ return os << +x;
+ }
+
+ // Stream extractor
+ template <class charT, class traits>
+ friend std::basic_istream<charT, traits>&
+ operator>>(std::basic_istream<charT, traits>& is, D& x)
+ {
+ ArithmeticT i;
+ if (is >> i)
+ x = i;
+ return is;
+ }
+# endif
+ };
+ } // namespace endian
+} // namespace boost
+
+#if defined(_MSC_VER)
+# pragma warning(pop)
+#endif
+
+#endif // BOOST_ENDIAN_COVER_OPERATORS_HPP
diff --git a/boost/endian/detail/disable_warnings.hpp b/boost/endian/detail/disable_warnings.hpp
new file mode 100644
index 0000000000..082db8abfe
--- /dev/null
+++ b/boost/endian/detail/disable_warnings.hpp
@@ -0,0 +1,33 @@
+// disable_warnings.hpp --------------------------------------------------------------//
+
+// Copyright Beman Dawes 2011
+
+// Distributed under the Boost Software License, Version 1.0.
+// See http://www.boost.org/LICENSE_1_0.txt
+
+//--------------------------------------------------------------------------------------//
+
+#ifdef _MSC_VER
+
+#ifndef _SCL_SECURE_NO_WARNINGS
+# define _SCL_SECURE_NO_WARNINGS
+#endif
+
+#ifndef _CRT_SECURE_NO_WARNINGS
+# define _CRT_SECURE_NO_WARNINGS
+#endif
+
+# pragma warning(push)
+
+// triggered by boost/detail/lightweight_test.hpp
+# pragma warning( disable : 4640 ) // ... construction of local static object is not thread-safe
+
+// triggered by Microsoft's own headers, so disable
+# pragma warning( disable : 4820 ) // padding added after data member
+# pragma warning( disable : 4548 ) // expression before comma has no effect
+# pragma warning( disable : 4668 ) // ... is not defined as a preprocessor macro
+# pragma warning( disable : 4514 ) // ... unreferenced inline function has been removed
+# pragma warning( disable : 4710 ) // ... function not inlined
+# pragma warning( disable : 4986 ) // ... exception specification does not match previous declaration
+# pragma warning( disable : 4711 ) // ... selected for automatic inline expansion
+#endif
diff --git a/boost/endian/detail/disable_warnings_pop.hpp b/boost/endian/detail/disable_warnings_pop.hpp
new file mode 100644
index 0000000000..0ebc74a452
--- /dev/null
+++ b/boost/endian/detail/disable_warnings_pop.hpp
@@ -0,0 +1,12 @@
+// disable_warnings_pop.hpp ----------------------------------------------------------//
+
+// Copyright Beman Dawes 2011
+
+// Distributed under the Boost Software License, Version 1.0.
+// See http://www.boost.org/LICENSE_1_0.txt
+
+//--------------------------------------------------------------------------------------//
+
+#ifdef _MSC_VER
+# pragma warning(push)
+#endif
diff --git a/boost/endian/detail/intrinsic.hpp b/boost/endian/detail/intrinsic.hpp
new file mode 100644
index 0000000000..6ead6813a2
--- /dev/null
+++ b/boost/endian/detail/intrinsic.hpp
@@ -0,0 +1,64 @@
+// endian/detail/intrinsic.hpp -------------------------------------------------------//
+
+// Copyright (C) 2012 David Stone
+// Copyright Beman Dawes 2013
+
+// Distributed under the Boost Software License, Version 1.0.
+// http://www.boost.org/LICENSE_1_0.txt
+
+#ifndef BOOST_ENDIAN_INTRINSIC_HPP
+#define BOOST_ENDIAN_INTRINSIC_HPP
+
+// Allow user to force BOOST_ENDIAN_NO_INTRINSICS in case they aren't available for a
+// particular platform/compiler combination. Please report such platform/compiler
+// combinations to the Boost mailing list.
+#ifndef BOOST_ENDIAN_NO_INTRINSICS
+
+#ifndef __has_builtin // Optional of course
+ #define __has_builtin(x) 0 // Compatibility with non-clang compilers
+#endif
+
+// GCC and Clang recent versions provide intrinsic byte swaps via builtins
+#if (defined(__clang__) && __has_builtin(__builtin_bswap32) && __has_builtin(__builtin_bswap64)) \
+ || (defined(__GNUC__ ) && \
+ (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)))
+# define BOOST_ENDIAN_INTRINSIC_MSG "__builtin_bswap16, etc."
+// prior to 4.8, gcc did not provide __builtin_bswap16 on some platforms so we emulate it
+// see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52624
+// Clang has a similar problem, but their feature test macros make it easier to detect
+# if (defined(__clang__) && __has_builtin(__builtin_bswap16)) \
+ || (defined(__GNUC__) &&(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)))
+# define BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_2(x) __builtin_bswap16(x)
+# else
+# define BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_2(x) __builtin_bswap32((x) << 16)
+# endif
+# define BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_4(x) __builtin_bswap32(x)
+# define BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_8(x) __builtin_bswap64(x)
+
+// Linux systems provide the byteswap.h header, with
+#elif defined(__linux__)
+// don't check for obsolete forms defined(linux) and defined(__linux) on the theory that
+// compilers that predefine only these are so old that byteswap.h probably isn't present.
+# define BOOST_ENDIAN_INTRINSIC_MSG "byteswap.h bswap_16, etc."
+# include <byteswap.h>
+# define BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_2(x) bswap_16(x)
+# define BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_4(x) bswap_32(x)
+# define BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_8(x) bswap_64(x)
+
+#elif defined(_MSC_VER)
+// Microsoft documents these as being compatible since Windows 95 and specificly
+// lists runtime library support since Visual Studio 2003 (aka 7.1).
+# define BOOST_ENDIAN_INTRINSIC_MSG "cstdlib _byteswap_ushort, etc."
+# include <cstdlib>
+# define BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_2(x) _byteswap_ushort(x)
+# define BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_4(x) _byteswap_ulong(x)
+# define BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_8(x) _byteswap_uint64(x)
+#else
+# define BOOST_ENDIAN_NO_INTRINSICS
+# define BOOST_ENDIAN_INTRINSIC_MSG "no byte swap intrinsics"
+#endif
+
+#elif !defined(BOOST_ENDIAN_INTRINSIC_MSG)
+# define BOOST_ENDIAN_INTRINSIC_MSG "no byte swap intrinsics"
+#endif // BOOST_ENDIAN_NO_INTRINSICS
+#endif // BOOST_ENDIAN_INTRINSIC_HPP
diff --git a/boost/endian/detail/lightweight_test.hpp b/boost/endian/detail/lightweight_test.hpp
new file mode 100644
index 0000000000..eba315c954
--- /dev/null
+++ b/boost/endian/detail/lightweight_test.hpp
@@ -0,0 +1,223 @@
+// boost/endian/detail/lightweight_test.hpp --------------------------------------------//
+
+#ifndef BOOST_ENDIAN_LIGHTWEIGHT_TEST_HPP
+#define BOOST_ENDIAN_LIGHTWEIGHT_TEST_HPP
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER)
+# pragma once
+#endif
+
+//
+// Copyright (c) 2002, 2009, 2014 Peter Dimov
+// Copyright (2) Beman Dawes 2010, 2011, 2015
+// Copyright (3) Ion Gaztanaga 2013
+//
+// Distributed under the Boost Software License, Version 1.0.
+// See http://www.boost.org/LICENSE_1_0.txt
+//
+
+#include <boost/assert.hpp>
+#include <boost/current_function.hpp>
+#include <boost/core/no_exceptions_support.hpp>
+#include <cstring> // for memcmp
+#include <iostream>
+
+// IDE's like Visual Studio perform better if output goes to std::cout or
+// some other stream, so allow user to configure output stream:
+#ifndef BOOST_LIGHTWEIGHT_TEST_OSTREAM
+# define BOOST_LIGHTWEIGHT_TEST_OSTREAM std::cerr
+#endif
+
+namespace boost
+{
+namespace endian
+{
+namespace detail
+{
+
+struct report_errors_reminder
+{
+ bool called_report_errors_function;
+
+ report_errors_reminder() : called_report_errors_function(false) {}
+
+ ~report_errors_reminder()
+ {
+ BOOST_ASSERT(called_report_errors_function); // verify report_errors() was called
+ }
+};
+
+inline report_errors_reminder& report_errors_remind()
+{
+ static report_errors_reminder r;
+ return r;
+}
+
+inline int & test_errors()
+{
+ static int x = 0;
+ report_errors_remind();
+ return x;
+}
+
+inline void test_failed_impl(char const * expr, char const * file, int line, char const * function)
+{
+ BOOST_LIGHTWEIGHT_TEST_OSTREAM
+ << file << "(" << line << "): test '" << expr << "' failed in function '"
+ << function << "'" << std::endl;
+ ++test_errors();
+}
+
+inline void error_impl(char const * msg, char const * file, int line, char const * function)
+{
+ BOOST_LIGHTWEIGHT_TEST_OSTREAM
+ << file << "(" << line << "): " << msg << " in function '"
+ << function << "'" << std::endl;
+ ++test_errors();
+}
+
+inline void throw_failed_impl(char const * excep, char const * file, int line, char const * function)
+{
+ BOOST_LIGHTWEIGHT_TEST_OSTREAM
+ << file << "(" << line << "): Exception '" << excep << "' not thrown in function '"
+ << function << "'" << std::endl;
+ ++test_errors();
+}
+
+template<class T, class U> inline void test_eq_impl( char const * expr1, char const * expr2,
+ char const * file, int line, char const * function, T const & t, U const & u )
+{
+ if( t == u )
+ {
+ report_errors_remind();
+ }
+ else
+ {
+ BOOST_LIGHTWEIGHT_TEST_OSTREAM
+ << file << "(" << line << "): test '" << expr1 << " == " << expr2
+ << "' failed in function '" << function << "': "
+ << "'" << t << "' != '" << u << "'" << std::endl;
+ ++test_errors();
+ }
+}
+
+template<class T, class U> inline void test_ne_impl( char const * expr1, char const * expr2,
+ char const * file, int line, char const * function, T const & t, U const & u )
+{
+ if( t != u )
+ {
+ report_errors_remind();
+ }
+ else
+ {
+ BOOST_LIGHTWEIGHT_TEST_OSTREAM
+ << file << "(" << line << "): test '" << expr1 << " != " << expr2
+ << "' failed in function '" << function << "': "
+ << "'" << t << "' == '" << u << "'" << std::endl;
+ ++test_errors();
+ }
+}
+
+template <class T>
+std::string to_hex(const T& x)
+{
+ const char hex[] = { '0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f' };
+ std::string tmp;
+ const unsigned char* p = reinterpret_cast<const unsigned char*>(&x);
+ const unsigned char* e = p + sizeof(T);
+
+ for (; p < e; ++p)
+ {
+ tmp += hex[*p >> 4]; // high-order nibble
+ tmp += hex[*p & 0x0f]; // low-order nibble
+ }
+ return tmp;
+}
+
+template<class T, class U> inline bool test_memcmp_eq_impl(char const * expr1,
+ char const * expr2, char const * file, int line, char const * function, T const & t,
+ U const & u)
+{
+ BOOST_ASSERT(sizeof(T) == sizeof(U));
+ if (sizeof(T) == sizeof(U)
+ && std::memcmp(&t, &u, sizeof(T)) == 0)
+ {
+ report_errors_remind();
+ return true;
+ }
+ else
+ {
+ BOOST_LIGHTWEIGHT_TEST_OSTREAM
+ << file << "(" << line << "): test 'std::memcmp(" << expr1 << ", " << expr2
+ << ") == 0' fails in function '" << function << "': "
+ << " with values '" << to_hex(t) << "' and '" << to_hex(u) << "'" << std::endl;
+ ++test_errors();
+ return false;
+ }
+}
+
+} // namespace detail
+
+inline int report_errors()
+{
+ boost::endian::detail::report_errors_remind().called_report_errors_function = true;
+
+ int errors = boost::endian::detail::test_errors();
+
+ if( errors == 0 )
+ {
+ BOOST_LIGHTWEIGHT_TEST_OSTREAM
+ << "No errors detected." << std::endl;
+ return 0;
+ }
+ else
+ {
+ BOOST_LIGHTWEIGHT_TEST_OSTREAM
+ << errors << " error" << (errors == 1? "": "s") << " detected." << std::endl;
+ return 1;
+ }
+}
+
+} // namespace endian
+} // namespace boost
+
+//////////////////////////////////////////////////////////////////////////////////////////
+// TODO: Should all test macros return bool? See BOOST_TEST_MEM_EQ usage in fp_exaustive_test,cpp
+//////////////////////////////////////////////////////////////////////////////////////////
+
+
+#define BOOST_TEST(expr) \
+ ((expr)? (void)0: ::boost::endian::detail::test_failed_impl(#expr, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION))
+
+#define BOOST_ERROR(msg) \
+ ( ::boost::endian::detail::error_impl(msg, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION) )
+
+#define BOOST_TEST_EQ(expr1,expr2) \
+ ( ::boost::endian::detail::test_eq_impl(#expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
+#define BOOST_TEST_NE(expr1,expr2) \
+ ( ::boost::endian::detail::test_ne_impl(#expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
+
+#define BOOST_TEST_MEM_EQ(expr1,expr2) \
+ (::boost::endian::detail::test_memcmp_eq_impl(#expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2))
+
+#ifndef BOOST_NO_EXCEPTIONS
+ #define BOOST_TEST_THROWS( EXPR, EXCEP ) \
+ try { \
+ EXPR; \
+ ::boost::detail::throw_failed_impl \
+ (#EXCEP, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION); \
+ } \
+ catch(EXCEP const&) { \
+ } \
+ catch(...) { \
+ ::boost::detail::throw_failed_impl \
+ (#EXCEP, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION); \
+ } \
+ //
+#else
+ #define BOOST_TEST_THROWS( EXPR, EXCEP )
+#endif
+
+#endif // #ifndef BOOST_ENDIAN_LIGHTWEIGHT_TEST_HPP
diff --git a/boost/endian/endian.hpp b/boost/endian/endian.hpp
new file mode 100644
index 0000000000..6c610c4a9a
--- /dev/null
+++ b/boost/endian/endian.hpp
@@ -0,0 +1,19 @@
+// boost/endian/endian.hpp -----------------------------------------------------------//
+
+// Copyright Beman Dawes 2015
+
+// Distributed under the Boost Software License, Version 1.0.
+// See http://www.boost.org/LICENSE_1_0.txt
+
+// See library home page at http://www.boost.org/libs/endian
+
+#ifndef BOOST_ENDIAN_ENDIAN_HPP
+#define BOOST_ENDIAN_ENDIAN_HPP
+
+#ifndef BOOST_ENDIAN_DEPRECATED_NAMES
+# error "<boost/endian/endian.hpp> is deprecated. Define BOOST_ENDIAN_DEPRECATED_NAMES to use."
+#endif
+
+#include <boost/endian/arithmetic.hpp>
+
+#endif //BOOST_ENDIAN_ENDIAN_HPP
diff --git a/boost/endian/std_pair.hpp b/boost/endian/std_pair.hpp
new file mode 100644
index 0000000000..8da74b4f70
--- /dev/null
+++ b/boost/endian/std_pair.hpp
@@ -0,0 +1,38 @@
+// boost/endian/std_pair.hpp ---------------------------------------------------------//
+
+// Copyright Beman Dawes 2013
+
+// Distributed under the Boost Software License, Version 1.0.
+// http://www.boost.org/LICENSE_1_0.txt
+
+//--------------------------------------------------------------------------------------//
+
+#ifndef BOOST_ENDIAN_STD_PAIR_HPP
+#define BOOST_ENDIAN_STD_PAIR_HPP
+
+#include <boost/endian/conversion.hpp>
+#include <utility>
+
+namespace boost
+{
+namespace endian
+{
+ template <class ReversibleValueT, class ReversibleValueU>
+ std::pair<ReversibleValueT, ReversibleValueU>
+ reverse_value(std::pair<ReversibleValueT, ReversibleValueU> x)
+ {
+ return std::pair<ReversibleValueT, ReversibleValueU>(reverse_value(x.first),
+ reverse_value(x.second));
+ }
+
+ template <class ReversibleT, class ReversibleU>
+ void reverse(std::pair<ReversibleT, ReversibleU>& x)
+ {
+ reverse(x.first);
+ reverse(x.second);
+ }
+
+}
+}
+
+#endif // BOOST_ENDIAN_STD_PAIR_HPP
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