整理

include/boost/align/align.hpp

@@ -0,0 +1,19 @@
+/*
+Copyright 2014-2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_ALIGN_HPP
+#define BOOST_ALIGN_ALIGN_HPP
+
+#include <boost/config.hpp>
+
+#if !defined(BOOST_NO_CXX11_STD_ALIGN) && !defined(BOOST_LIBSTDCXX_VERSION)
+#include <boost/align/detail/align_cxx11.hpp>
+#else
+#include <boost/align/detail/align.hpp>
+#endif
+
+#endif

include/boost/align/align_down.hpp

@@ -0,0 +1,27 @@
+/*
+Copyright 2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_ALIGN_DOWN_HPP
+#define BOOST_ALIGN_ALIGN_DOWN_HPP
+
+#include <boost/align/detail/align_down.hpp>
+#include <boost/align/detail/not_pointer.hpp>
+
+namespace boost {
+namespace alignment {
+
+template<class T>
+BOOST_CONSTEXPR inline typename detail::not_pointer<T, T>::type
+align_down(T value, std::size_t alignment) BOOST_NOEXCEPT
+{
+    return T(value & ~T(alignment - 1));
+}
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/align_up.hpp

@@ -0,0 +1,27 @@
+/*
+Copyright 2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_ALIGN_UP_HPP
+#define BOOST_ALIGN_ALIGN_UP_HPP
+
+#include <boost/align/detail/align_up.hpp>
+#include <boost/align/detail/not_pointer.hpp>
+
+namespace boost {
+namespace alignment {
+
+template<class T>
+BOOST_CONSTEXPR inline typename detail::not_pointer<T, T>::type
+align_up(T value, std::size_t alignment) BOOST_NOEXCEPT
+{
+    return T((value + (T(alignment) - 1)) & ~T(alignment - 1));
+}
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/aligned_alloc.hpp

@@ -0,0 +1,47 @@
+/*
+Copyright 2014-2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_ALIGNED_ALLOC_HPP
+#define BOOST_ALIGN_ALIGNED_ALLOC_HPP
+
+#include <boost/config.hpp>
+
+#if defined(BOOST_HAS_UNISTD_H)
+#include <unistd.h>
+#endif
+
+#if defined(__APPLE__) || defined(__APPLE_CC__) || defined(macintosh)
+#include <AvailabilityMacros.h>
+#endif
+
+#if defined(BOOST_ALIGN_USE_ALIGN)
+#include <boost/align/detail/aligned_alloc.hpp>
+#elif defined(BOOST_ALIGN_USE_NEW)
+#include <boost/align/detail/aligned_alloc_new.hpp>
+#elif defined(_MSC_VER) && !defined(UNDER_CE)
+#include <boost/align/detail/aligned_alloc_msvc.hpp>
+#elif defined(__MINGW32__) && (__MSVCRT_VERSION__ >= 0x0700)
+#include <boost/align/detail/aligned_alloc_msvc.hpp>
+#elif defined(__MINGW32__)
+#include <boost/align/detail/aligned_alloc_mingw.hpp>
+#elif MAC_OS_X_VERSION_MIN_REQUIRED >= 1090
+#include <boost/align/detail/aligned_alloc_posix.hpp>
+#elif MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
+#include <boost/align/detail/aligned_alloc_macos.hpp>
+#elif defined(__ANDROID__)
+#include <boost/align/detail/aligned_alloc_android.hpp>
+#elif defined(__SunOS_5_11) || defined(__SunOS_5_12)
+#include <boost/align/detail/aligned_alloc_posix.hpp>
+#elif defined(sun) || defined(__sun)
+#include <boost/align/detail/aligned_alloc_sunos.hpp>
+#elif defined(_POSIX_VERSION)
+#include <boost/align/detail/aligned_alloc_posix.hpp>
+#else
+#include <boost/align/detail/aligned_alloc.hpp>
+#endif
+
+#endif

include/boost/align/aligned_allocator.hpp

@@ -0,0 +1,140 @@
+/*
+Copyright 2014-2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_ALIGNED_ALLOCATOR_HPP
+#define BOOST_ALIGN_ALIGNED_ALLOCATOR_HPP
+
+#include <boost/align/detail/add_reference.hpp>
+#include <boost/align/detail/is_alignment_constant.hpp>
+#include <boost/align/detail/max_objects.hpp>
+#include <boost/align/detail/max_size.hpp>
+#include <boost/align/detail/throw_exception.hpp>
+#include <boost/align/aligned_alloc.hpp>
+#include <boost/align/aligned_allocator_forward.hpp>
+#include <boost/align/alignment_of.hpp>
+#include <boost/static_assert.hpp>
+#include <new>
+
+#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+#include <utility>
+#endif
+
+namespace boost {
+namespace alignment {
+
+template<class T, std::size_t Alignment>
+class aligned_allocator {
+    BOOST_STATIC_ASSERT(detail::is_alignment_constant<Alignment>::value);
+
+public:
+    typedef T value_type;
+    typedef T* pointer;
+    typedef const T* const_pointer;
+    typedef void* void_pointer;
+    typedef const void* const_void_pointer;
+    typedef typename detail::add_lvalue_reference<T>::type reference;
+    typedef typename detail::add_lvalue_reference<const
+        T>::type const_reference;
+    typedef std::size_t size_type;
+    typedef std::ptrdiff_t difference_type;
+    typedef detail::true_type propagate_on_container_move_assignment;
+    typedef detail::true_type is_always_equal;
+
+    template<class U>
+    struct rebind {
+        typedef aligned_allocator<U, Alignment> other;
+    };
+
+#if !defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS)
+    aligned_allocator() = default;
+#else
+    aligned_allocator() BOOST_NOEXCEPT { }
+#endif
+
+    template<class U>
+    aligned_allocator(const aligned_allocator<U, Alignment>&)
+        BOOST_NOEXCEPT { }
+
+    pointer allocate(size_type size, const_void_pointer = 0) {
+        enum {
+            m = detail::max_size<Alignment,
+                alignment_of<value_type>::value>::value
+        };
+        if (size == 0) {
+            return 0;
+        }
+        void* p = boost::alignment::aligned_alloc(m, sizeof(T) * size);
+        if (!p) {
+            detail::throw_exception(std::bad_alloc());
+        }
+        return static_cast<T*>(p);
+    }
+
+    void deallocate(pointer ptr, size_type) {
+        boost::alignment::aligned_free(ptr);
+    }
+
+    BOOST_CONSTEXPR size_type max_size() const BOOST_NOEXCEPT {
+        return detail::max_objects<T>::value;
+    }
+
+#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
+    template<class U, class... Args>
+    void construct(U* ptr, Args&&... args) {
+        ::new((void*)ptr) U(std::forward<Args>(args)...);
+    }
+#else
+    template<class U, class V>
+    void construct(U* ptr, V&& value) {
+        ::new((void*)ptr) U(std::forward<V>(value));
+    }
+#endif
+#else
+    template<class U, class V>
+    void construct(U* ptr, const V& value) {
+        ::new((void*)ptr) U(value);
+    }
+
+    template<class U, class V>
+    void construct(U* ptr, V& value) {
+        ::new((void*)ptr) U(value);
+    }
+#endif
+
+    template<class U>
+    void construct(U* ptr) {
+        ::new((void*)ptr) U();
+    }
+
+    template<class U>
+    void destroy(U* ptr) {
+        (void)ptr;
+        ptr->~U();
+    }
+};
+
+template<class T, class U, std::size_t Alignment>
+inline bool
+operator==(const aligned_allocator<T, Alignment>&,
+    const aligned_allocator<U, Alignment>&) BOOST_NOEXCEPT
+{
+    return true;
+}
+
+template<class T, class U, std::size_t Alignment>
+inline bool
+operator!=(const aligned_allocator<T, Alignment>&,
+    const aligned_allocator<U, Alignment>&) BOOST_NOEXCEPT
+{
+    return false;
+}
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/aligned_allocator_adaptor.hpp

@@ -0,0 +1,170 @@
+/*
+Copyright 2014-2016 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_ALIGNED_ALLOCATOR_ADAPTOR_HPP
+#define BOOST_ALIGN_ALIGNED_ALLOCATOR_ADAPTOR_HPP
+
+#include <boost/align/detail/is_alignment_constant.hpp>
+#include <boost/align/detail/max_align.hpp>
+#include <boost/align/detail/max_size.hpp>
+#include <boost/align/align.hpp>
+#include <boost/align/aligned_allocator_adaptor_forward.hpp>
+#include <boost/align/alignment_of.hpp>
+#include <boost/core/pointer_traits.hpp>
+#include <boost/static_assert.hpp>
+#include <new>
+
+#if !defined(BOOST_NO_CXX11_ALLOCATOR)
+#include <memory>
+#endif
+
+#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+#include <utility>
+#endif
+
+namespace boost {
+namespace alignment {
+
+template<class Allocator, std::size_t Alignment>
+class aligned_allocator_adaptor
+    : public Allocator {
+    BOOST_STATIC_ASSERT(detail::is_alignment_constant<Alignment>::value);
+
+#if !defined(BOOST_NO_CXX11_ALLOCATOR)
+    typedef std::allocator_traits<Allocator> traits;
+    typedef typename traits::template rebind_alloc<char> char_alloc;
+    typedef typename traits::template rebind_traits<char> char_traits;
+    typedef typename char_traits::pointer char_ptr;
+#else
+    typedef typename Allocator::template rebind<char>::other char_alloc;
+    typedef typename char_alloc::pointer char_ptr;
+#endif
+
+public:
+    typedef typename Allocator::value_type value_type;
+    typedef value_type* pointer;
+    typedef const value_type* const_pointer;
+    typedef void* void_pointer;
+    typedef const void* const_void_pointer;
+    typedef std::size_t size_type;
+    typedef std::ptrdiff_t difference_type;
+
+private:
+    template<class U>
+    struct min_align {
+        enum {
+            value = detail::max_size<Alignment,
+                detail::max_align<U, char_ptr>::value>::value
+        };
+    };
+
+public:
+    template<class U>
+    struct rebind {
+#if !defined(BOOST_NO_CXX11_ALLOCATOR)
+        typedef aligned_allocator_adaptor<typename traits::template
+            rebind_alloc<U>, Alignment> other;
+#else
+        typedef aligned_allocator_adaptor<typename Allocator::template
+            rebind<U>::other, Alignment> other;
+#endif
+    };
+
+    aligned_allocator_adaptor()
+        : Allocator() { }
+
+#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+    template<class A>
+    explicit aligned_allocator_adaptor(A&& alloc) BOOST_NOEXCEPT
+        : Allocator(std::forward<A>(alloc)) { }
+#else
+    template<class A>
+    explicit aligned_allocator_adaptor(const A& alloc) BOOST_NOEXCEPT
+        : Allocator(alloc) { }
+#endif
+
+    template<class U>
+    aligned_allocator_adaptor(const aligned_allocator_adaptor<U,
+        Alignment>& other) BOOST_NOEXCEPT
+        : Allocator(other.base()) { }
+
+    Allocator& base() BOOST_NOEXCEPT {
+        return static_cast<Allocator&>(*this);
+    }
+
+    const Allocator& base() const BOOST_NOEXCEPT {
+        return static_cast<const Allocator&>(*this);
+    }
+
+    pointer allocate(size_type size) {
+        enum {
+            m = min_align<value_type>::value
+        };
+        std::size_t s = size * sizeof(value_type);
+        std::size_t n = s + m - 1;
+        char_alloc a(base());
+        char_ptr p = a.allocate(sizeof p + n);
+        void* r = boost::to_address(p) + sizeof p;
+        (void)boost::alignment::align(m, s, r, n);
+        ::new(static_cast<void*>(static_cast<char_ptr*>(r) - 1)) char_ptr(p);
+        return static_cast<pointer>(r);
+    }
+
+    pointer allocate(size_type size, const_void_pointer hint) {
+        enum {
+            m = min_align<value_type>::value
+        };
+        std::size_t s = size * sizeof(value_type);
+        std::size_t n = s + m - 1;
+        char_ptr h = char_ptr();
+        if (hint) {
+            h = *(static_cast<const char_ptr*>(hint) - 1);
+        }
+        char_alloc a(base());
+#if !defined(BOOST_NO_CXX11_ALLOCATOR)
+        char_ptr p = char_traits::allocate(a, sizeof p + n, h);
+#else
+        char_ptr p = a.allocate(sizeof p + n, h);
+#endif
+        void* r = boost::to_address(p) + sizeof p;
+        (void)boost::alignment::align(m, s, r, n);
+        ::new(static_cast<void*>(static_cast<char_ptr*>(r) - 1)) char_ptr(p);
+        return static_cast<pointer>(r);
+    }
+
+    void deallocate(pointer ptr, size_type size) {
+        enum {
+            m = min_align<value_type>::value
+        };
+        char_ptr* p = reinterpret_cast<char_ptr*>(ptr) - 1;
+        char_ptr r = *p;
+        p->~char_ptr();
+        char_alloc a(base());
+        a.deallocate(r, sizeof r + size * sizeof(value_type) + m - 1);
+    }
+};
+
+template<class A, class B, std::size_t Alignment>
+inline bool
+operator==(const aligned_allocator_adaptor<A, Alignment>& a,
+    const aligned_allocator_adaptor<B, Alignment>& b) BOOST_NOEXCEPT
+{
+    return a.base() == b.base();
+}
+
+template<class A, class B, std::size_t Alignment>
+inline bool
+operator!=(const aligned_allocator_adaptor<A, Alignment>& a,
+    const aligned_allocator_adaptor<B, Alignment>& b) BOOST_NOEXCEPT
+{
+    return !(a == b);
+}
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/aligned_allocator_adaptor_forward.hpp

@@ -0,0 +1,22 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_ALIGNED_ALLOCATOR_ADAPTOR_FORWARD_HPP
+#define BOOST_ALIGN_ALIGNED_ALLOCATOR_ADAPTOR_FORWARD_HPP
+
+#include <cstddef>
+
+namespace boost {
+namespace alignment {
+
+template<class Allocator, std::size_t Alignment = 1>
+class aligned_allocator_adaptor;
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/aligned_allocator_forward.hpp

@@ -0,0 +1,22 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_ALIGNED_ALLOCATOR_FORWARD_HPP
+#define BOOST_ALIGN_ALIGNED_ALLOCATOR_FORWARD_HPP
+
+#include <cstddef>
+
+namespace boost {
+namespace alignment {
+
+template<class T, std::size_t Alignment = 1>
+class aligned_allocator;
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/aligned_delete.hpp

@@ -0,0 +1,31 @@
+/*
+Copyright 2014-2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_ALIGNED_DELETE_HPP
+#define BOOST_ALIGN_ALIGNED_DELETE_HPP
+
+#include <boost/align/aligned_alloc.hpp>
+#include <boost/align/aligned_delete_forward.hpp>
+
+namespace boost {
+namespace alignment {
+
+struct aligned_delete {
+    template<class T>
+    void operator()(T* ptr) const
+        BOOST_NOEXCEPT_IF(BOOST_NOEXCEPT_EXPR(ptr->~T())) {
+        if (ptr) {
+            ptr->~T();
+            boost::alignment::aligned_free(ptr);
+        }
+    }
+};
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/aligned_delete_forward.hpp

@@ -0,0 +1,19 @@
+/*
+Copyright 2014-2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_ALIGNED_DELETE_FORWARD_HPP
+#define BOOST_ALIGN_ALIGNED_DELETE_FORWARD_HPP
+
+namespace boost {
+namespace alignment {
+
+struct aligned_delete;
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/alignment_of.hpp

@@ -0,0 +1,54 @@
+/*
+Copyright 2014-2016 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_ALIGNMENT_OF_HPP
+#define BOOST_ALIGN_ALIGNMENT_OF_HPP
+
+#include <boost/align/detail/element_type.hpp>
+#include <boost/align/alignment_of_forward.hpp>
+
+#if defined(_MSC_VER) && defined(__clang__)
+#include <boost/align/detail/alignment_of_cxx11.hpp>
+#elif defined(BOOST_MSVC)
+#include <boost/align/detail/alignment_of_msvc.hpp>
+#elif defined(__GNUC__) && defined(__unix__) && !defined(__LP64__)
+#include <boost/align/detail/alignment_of.hpp>
+#elif defined(BOOST_CLANG) && !defined(__x86_64__)
+#include <boost/align/detail/alignment_of.hpp>
+#elif !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
+#include <boost/align/detail/alignment_of_cxx11.hpp>
+#elif defined(__ghs__) && (__GHS_VERSION_NUMBER >= 600)
+#include <boost/align/detail/alignment_of_gcc.hpp>
+#elif defined(BOOST_CODEGEARC)
+#include <boost/align/detail/alignment_of_codegear.hpp>
+#elif defined(BOOST_CLANG)
+#include <boost/align/detail/alignment_of_clang.hpp>
+#elif __GNUC__ > 4
+#include <boost/align/detail/alignment_of_gcc.hpp>
+#elif (__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)
+#include <boost/align/detail/alignment_of_gcc.hpp>
+#else
+#include <boost/align/detail/alignment_of.hpp>
+#endif
+
+namespace boost {
+namespace alignment {
+
+template<class T>
+struct alignment_of
+    : detail::alignment_of<typename
+        detail::element_type<T>::type>::type { };
+
+#if !defined(BOOST_NO_CXX14_VARIABLE_TEMPLATES)
+template<class T>
+constexpr std::size_t alignment_of_v = alignment_of<T>::value;
+#endif
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/alignment_of_forward.hpp

@@ -0,0 +1,20 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_ALIGNMENT_OF_FORWARD_HPP
+#define BOOST_ALIGN_ALIGNMENT_OF_FORWARD_HPP
+
+namespace boost {
+namespace alignment {
+
+template<class T>
+struct alignment_of;
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/assume_aligned.hpp

@@ -0,0 +1,28 @@
+/*
+Copyright 2015 NumScale SAS
+Copyright 2015 LRI UMR 8623 CNRS/University Paris Sud XI
+
+Copyright 2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_ASSUME_ALIGNED_HPP
+#define BOOST_ALIGN_ASSUME_ALIGNED_HPP
+
+#include <boost/config.hpp>
+
+#if defined(BOOST_MSVC)
+#include <boost/align/detail/assume_aligned_msvc.hpp>
+#elif defined(BOOST_CLANG) && defined(__has_builtin)
+#include <boost/align/detail/assume_aligned_clang.hpp>
+#elif BOOST_GCC_VERSION >= 40700
+#include <boost/align/detail/assume_aligned_gcc.hpp>
+#elif defined(__INTEL_COMPILER)
+#include <boost/align/detail/assume_aligned_intel.hpp>
+#else
+#include <boost/align/detail/assume_aligned.hpp>
+#endif
+
+#endif

include/boost/align/detail/add_reference.hpp

@@ -0,0 +1,44 @@
+/*
+Copyright 2019 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ADD_REFERENCE_HPP
+#define BOOST_ALIGN_DETAIL_ADD_REFERENCE_HPP
+
+#include <boost/config.hpp>
+
+#if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
+#include <type_traits>
+#endif
+
+namespace boost {
+namespace alignment {
+namespace detail {
+
+#if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
+using std::add_lvalue_reference;
+#else
+template<class T>
+struct add_lvalue_reference {
+    typedef T& type;
+};
+
+template<>
+struct add_lvalue_reference<void> {
+    typedef void type;
+};
+
+template<>
+struct add_lvalue_reference<const void> {
+    typedef const void type;
+};
+#endif
+
+} /* detail */
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/align.hpp

@@ -0,0 +1,38 @@
+/*
+Copyright 2014-2020 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGN_HPP
+#define BOOST_ALIGN_DETAIL_ALIGN_HPP
+
+#include <boost/align/detail/is_alignment.hpp>
+#include <boost/assert.hpp>
+
+namespace boost {
+namespace alignment {
+
+inline void*
+align(std::size_t alignment, std::size_t size, void*& ptr,
+    std::size_t& space)
+{
+    BOOST_ASSERT(boost::alignment::detail::is_alignment(alignment));
+    if (size <= space) {
+        char* p = reinterpret_cast<char*>(~(alignment - 1) &
+            (reinterpret_cast<std::size_t>(ptr) + alignment - 1));
+        std::size_t n = p - static_cast<char*>(ptr);
+        if (n <= space - size) {
+            ptr = p;
+            space -= n;
+            return p;
+        }
+    }
+    return 0;
+}
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/align_cxx11.hpp

@@ -0,0 +1,21 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGN_CXX11_HPP
+#define BOOST_ALIGN_DETAIL_ALIGN_CXX11_HPP
+
+#include <memory>
+
+namespace boost {
+namespace alignment {
+
+using std::align;
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/align_down.hpp

@@ -0,0 +1,28 @@
+/*
+Copyright 2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGN_DOWN_HPP
+#define BOOST_ALIGN_DETAIL_ALIGN_DOWN_HPP
+
+#include <boost/align/detail/is_alignment.hpp>
+#include <boost/assert.hpp>
+
+namespace boost {
+namespace alignment {
+
+inline void*
+align_down(void* ptr, std::size_t alignment) BOOST_NOEXCEPT
+{
+    BOOST_ASSERT(detail::is_alignment(alignment));
+    return reinterpret_cast<void*>(~(alignment - 1) &
+        reinterpret_cast<std::size_t>(ptr));
+}
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/align_up.hpp

@@ -0,0 +1,28 @@
+/*
+Copyright 2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGN_UP_HPP
+#define BOOST_ALIGN_DETAIL_ALIGN_UP_HPP
+
+#include <boost/align/detail/is_alignment.hpp>
+#include <boost/assert.hpp>
+
+namespace boost {
+namespace alignment {
+
+inline void*
+align_up(void* ptr, std::size_t alignment) BOOST_NOEXCEPT
+{
+    BOOST_ASSERT(detail::is_alignment(alignment));
+    return reinterpret_cast<void*>(~(alignment - 1) &
+        (reinterpret_cast<std::size_t>(ptr) + alignment - 1));
+}
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/aligned_alloc.hpp

@@ -0,0 +1,52 @@
+/*
+Copyright 2014-2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGNED_ALLOC_HPP
+#define BOOST_ALIGN_DETAIL_ALIGNED_ALLOC_HPP
+
+#include <boost/align/detail/is_alignment.hpp>
+#include <boost/align/align.hpp>
+#include <boost/align/alignment_of.hpp>
+#include <boost/assert.hpp>
+#include <cstdlib>
+
+namespace boost {
+namespace alignment {
+
+inline void*
+aligned_alloc(std::size_t alignment, std::size_t size) BOOST_NOEXCEPT
+{
+    BOOST_ASSERT(detail::is_alignment(alignment));
+    enum {
+        N = alignment_of<void*>::value
+    };
+    if (alignment < N) {
+        alignment = N;
+    }
+    std::size_t n = size + alignment - N;
+    void* p = std::malloc(sizeof(void*) + n);
+    if (p) {
+        void* r = static_cast<char*>(p) + sizeof(void*);
+        (void)boost::alignment::align(alignment, size, r, n);
+        *(static_cast<void**>(r) - 1) = p;
+        p = r;
+    }
+    return p;
+}
+
+inline void
+aligned_free(void* ptr) BOOST_NOEXCEPT
+{
+    if (ptr) {
+        std::free(*(static_cast<void**>(ptr) - 1));
+    }
+}
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/aligned_alloc_android.hpp

@@ -0,0 +1,34 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGNED_ALLOC_ANDROID_HPP
+#define BOOST_ALIGN_DETAIL_ALIGNED_ALLOC_ANDROID_HPP
+
+#include <boost/align/detail/is_alignment.hpp>
+#include <boost/assert.hpp>
+#include <malloc.h>
+
+namespace boost {
+namespace alignment {
+
+inline void*
+aligned_alloc(std::size_t alignment, std::size_t size) BOOST_NOEXCEPT
+{
+    BOOST_ASSERT(detail::is_alignment(alignment));
+    return ::memalign(alignment, size);
+}
+
+inline void
+aligned_free(void* ptr) BOOST_NOEXCEPT
+{
+    ::free(ptr);
+}
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/aligned_alloc_macos.hpp

@@ -0,0 +1,44 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGNED_ALLOC_MACOS_HPP
+#define BOOST_ALIGN_DETAIL_ALIGNED_ALLOC_MACOS_HPP
+
+#include <boost/align/detail/is_alignment.hpp>
+#include <boost/assert.hpp>
+#include <stdlib.h>
+
+namespace boost {
+namespace alignment {
+
+inline void*
+aligned_alloc(std::size_t alignment, std::size_t size) BOOST_NOEXCEPT
+{
+    BOOST_ASSERT(detail::is_alignment(alignment));
+    if (size == 0) {
+        return 0;
+    }
+    if (alignment < sizeof(void*)) {
+        alignment = sizeof(void*);
+    }
+    void* p;
+    if (::posix_memalign(&p, alignment, size) != 0) {
+        p = 0;
+    }
+    return p;
+}
+
+inline void
+aligned_free(void* ptr) BOOST_NOEXCEPT
+{
+    ::free(ptr);
+}
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/aligned_alloc_mingw.hpp

@@ -0,0 +1,34 @@
+/*
+Copyright 2020 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGNED_ALLOC_MINGW_HPP
+#define BOOST_ALIGN_DETAIL_ALIGNED_ALLOC_MINGW_HPP
+
+#include <boost/align/detail/is_alignment.hpp>
+#include <boost/assert.hpp>
+#include <malloc.h>
+
+namespace boost {
+namespace alignment {
+
+inline void*
+aligned_alloc(std::size_t alignment, std::size_t size) BOOST_NOEXCEPT
+{
+    BOOST_ASSERT(detail::is_alignment(alignment));
+    return ::__mingw_aligned_malloc(size, alignment);
+}
+
+inline void
+aligned_free(void* ptr) BOOST_NOEXCEPT
+{
+    ::__mingw_aligned_free(ptr);
+}
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/aligned_alloc_msvc.hpp

@@ -0,0 +1,34 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGNED_ALLOC_MSVC_HPP
+#define BOOST_ALIGN_DETAIL_ALIGNED_ALLOC_MSVC_HPP
+
+#include <boost/align/detail/is_alignment.hpp>
+#include <boost/assert.hpp>
+#include <malloc.h>
+
+namespace boost {
+namespace alignment {
+
+inline void*
+aligned_alloc(std::size_t alignment, std::size_t size) BOOST_NOEXCEPT
+{
+    BOOST_ASSERT(detail::is_alignment(alignment));
+    return ::_aligned_malloc(size, alignment);
+}
+
+inline void
+aligned_free(void* ptr) BOOST_NOEXCEPT
+{
+    ::_aligned_free(ptr);
+}
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/aligned_alloc_new.hpp

@@ -0,0 +1,52 @@
+/*
+Copyright 2014-2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGNED_ALLOC_NEW_HPP
+#define BOOST_ALIGN_DETAIL_ALIGNED_ALLOC_NEW_HPP
+
+#include <boost/align/detail/is_alignment.hpp>
+#include <boost/align/align.hpp>
+#include <boost/align/alignment_of.hpp>
+#include <boost/assert.hpp>
+#include <new>
+
+namespace boost {
+namespace alignment {
+
+inline void*
+aligned_alloc(std::size_t alignment, std::size_t size) BOOST_NOEXCEPT
+{
+    BOOST_ASSERT(detail::is_alignment(alignment));
+    enum {
+        N = alignment_of<void*>::value
+    };
+    if (alignment < N) {
+        alignment = N;
+    }
+    std::size_t n = size + alignment - N;
+    void* p = ::operator new(sizeof(void*) + n, std::nothrow);
+    if (p) {
+        void* r = static_cast<char*>(p) + sizeof(void*);
+        (void)boost::alignment::align(alignment, size, r, n);
+        *(static_cast<void**>(r) - 1) = p;
+        p = r;
+    }
+    return p;
+}
+
+inline void
+aligned_free(void* ptr) BOOST_NOEXCEPT
+{
+    if (ptr) {
+        ::operator delete(*(static_cast<void**>(ptr) - 1));
+    }
+}
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/aligned_alloc_posix.hpp

@@ -0,0 +1,41 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGNED_ALLOC_POSIX_HPP
+#define BOOST_ALIGN_DETAIL_ALIGNED_ALLOC_POSIX_HPP
+
+#include <boost/align/detail/is_alignment.hpp>
+#include <boost/assert.hpp>
+#include <stdlib.h>
+
+namespace boost {
+namespace alignment {
+
+inline void*
+aligned_alloc(std::size_t alignment, std::size_t size) BOOST_NOEXCEPT
+{
+    BOOST_ASSERT(detail::is_alignment(alignment));
+    if (alignment < sizeof(void*)) {
+        alignment = sizeof(void*);
+    }
+    void* p;
+    if (::posix_memalign(&p, alignment, size) != 0) {
+        p = 0;
+    }
+    return p;
+}
+
+inline void
+aligned_free(void* ptr) BOOST_NOEXCEPT
+{
+    ::free(ptr);
+}
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/aligned_alloc_sunos.hpp

@@ -0,0 +1,34 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGNED_ALLOC_SUNOS_HPP
+#define BOOST_ALIGN_DETAIL_ALIGNED_ALLOC_SUNOS_HPP
+
+#include <boost/align/detail/is_alignment.hpp>
+#include <boost/assert.hpp>
+#include <stdlib.h>
+
+namespace boost {
+namespace alignment {
+
+inline void*
+aligned_alloc(std::size_t alignment, std::size_t size) BOOST_NOEXCEPT
+{
+    BOOST_ASSERT(detail::is_alignment(alignment));
+    return ::memalign(alignment, size);
+}
+
+inline void
+aligned_free(void* ptr) BOOST_NOEXCEPT
+{
+    ::free(ptr);
+}
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/alignment_of.hpp

@@ -0,0 +1,31 @@
+/*
+Copyright 2014-2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGNMENT_OF_HPP
+#define BOOST_ALIGN_DETAIL_ALIGNMENT_OF_HPP
+
+#include <boost/align/detail/min_size.hpp>
+
+namespace boost {
+namespace alignment {
+namespace detail {
+
+template<class T>
+struct offset_value {
+    char value;
+    T object;
+};
+
+template<class T>
+struct alignment_of
+    : min_size<sizeof(T), sizeof(offset_value<T>) - sizeof(T)> { };
+
+} /* detail */
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/alignment_of_clang.hpp

@@ -0,0 +1,26 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGNMENT_OF_CLANG_HPP
+#define BOOST_ALIGN_DETAIL_ALIGNMENT_OF_CLANG_HPP
+
+#include <boost/align/detail/integral_constant.hpp>
+#include <cstddef>
+
+namespace boost {
+namespace alignment {
+namespace detail {
+
+template<class T>
+struct alignment_of
+    : integral_constant<std::size_t, __alignof(T)> { };
+
+} /* detail */
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/alignment_of_codegear.hpp

@@ -0,0 +1,26 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGNMENT_OF_CODEGEAR_HPP
+#define BOOST_ALIGN_DETAIL_ALIGNMENT_OF_CODEGEAR_HPP
+
+#include <boost/align/detail/integral_constant.hpp>
+#include <cstddef>
+
+namespace boost {
+namespace alignment {
+namespace detail {
+
+template<class T>
+struct alignment_of
+    : integral_constant<std::size_t, alignof(T)> { };
+
+} /* detail */
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/alignment_of_cxx11.hpp

@@ -0,0 +1,23 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGNMENT_OF_CXX11_HPP
+#define BOOST_ALIGN_DETAIL_ALIGNMENT_OF_CXX11_HPP
+
+#include <type_traits>
+
+namespace boost {
+namespace alignment {
+namespace detail {
+
+using std::alignment_of;
+
+} /* detail */
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/alignment_of_gcc.hpp

@@ -0,0 +1,26 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGNMENT_OF_GCC_HPP
+#define BOOST_ALIGN_DETAIL_ALIGNMENT_OF_GCC_HPP
+
+#include <boost/align/detail/integral_constant.hpp>
+#include <cstddef>
+
+namespace boost {
+namespace alignment {
+namespace detail {
+
+template<class T>
+struct alignment_of
+    : integral_constant<std::size_t, __alignof__(T)> { };
+
+} /* detail */
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/alignment_of_msvc.hpp

@@ -0,0 +1,32 @@
+/*
+Copyright 2014-2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGNMENT_OF_MSVC_HPP
+#define BOOST_ALIGN_DETAIL_ALIGNMENT_OF_MSVC_HPP
+
+#include <boost/align/detail/min_size.hpp>
+
+namespace boost {
+namespace alignment {
+namespace detail {
+
+template<class T>
+struct offset_value {
+    T first;
+    char value;
+    T second;
+};
+
+template<class T>
+struct alignment_of
+    : min_size<sizeof(T), sizeof(offset_value<T>) - (sizeof(T) << 1)> { };
+
+} /* detail */
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/assume_aligned.hpp

@@ -0,0 +1,16 @@
+/*
+Copyright 2015 NumScale SAS
+Copyright 2015 LRI UMR 8623 CNRS/University Paris Sud XI
+
+Copyright 2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ASSUME_ALIGNED_HPP
+#define BOOST_ALIGN_DETAIL_ASSUME_ALIGNED_HPP
+
+#define BOOST_ALIGN_ASSUME_ALIGNED(ptr, alignment)
+
+#endif

include/boost/align/detail/assume_aligned_clang.hpp

@@ -0,0 +1,18 @@
+/*
+Copyright 2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ASSUME_ALIGNED_CLANG_HPP
+#define BOOST_ALIGN_DETAIL_ASSUME_ALIGNED_CLANG_HPP
+
+#if __has_builtin(__builtin_assume_aligned)
+#define BOOST_ALIGN_ASSUME_ALIGNED(p, n) \
+(p) = static_cast<__typeof__(p)>(__builtin_assume_aligned((p), (n)))
+#else
+#define BOOST_ALIGN_ASSUME_ALIGNED(p, n)
+#endif
+
+#endif

include/boost/align/detail/assume_aligned_gcc.hpp

@@ -0,0 +1,17 @@
+/*
+Copyright 2015 NumScale SAS
+Copyright 2015 LRI UMR 8623 CNRS/University Paris Sud XI
+
+Copyright 2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ASSUME_ALIGNED_GCC_HPP
+#define BOOST_ALIGN_DETAIL_ASSUME_ALIGNED_GCC_HPP
+
+#define BOOST_ALIGN_ASSUME_ALIGNED(p, n) \
+(p) = static_cast<__typeof__(p)>(__builtin_assume_aligned((p), (n)))
+
+#endif

include/boost/align/detail/assume_aligned_intel.hpp

@@ -0,0 +1,17 @@
+/*
+Copyright 2015 NumScale SAS
+Copyright 2015 LRI UMR 8623 CNRS/University Paris Sud XI
+
+Copyright 2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ASSUME_ALIGNED_INTEL_HPP
+#define BOOST_ALIGN_DETAIL_ASSUME_ALIGNED_INTEL_HPP
+
+#define BOOST_ALIGN_ASSUME_ALIGNED(ptr, alignment) \
+__assume_aligned((ptr), (alignment))
+
+#endif

include/boost/align/detail/assume_aligned_msvc.hpp

@@ -0,0 +1,19 @@
+/*
+Copyright 2015 NumScale SAS
+Copyright 2015 LRI UMR 8623 CNRS/University Paris Sud XI
+
+Copyright 2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ASSUME_ALIGNED_MSVC_HPP
+#define BOOST_ALIGN_DETAIL_ASSUME_ALIGNED_MSVC_HPP
+
+#include <cstddef>
+
+#define BOOST_ALIGN_ASSUME_ALIGNED(ptr, alignment) \
+__assume((reinterpret_cast<std::size_t>(ptr) & ((alignment) - 1)) == 0)
+
+#endif

include/boost/align/detail/element_type.hpp

@@ -0,0 +1,91 @@
+/*
+Copyright 2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_ELEMENT_TYPE_HPP
+#define BOOST_ALIGN_DETAIL_ELEMENT_TYPE_HPP
+
+#include <boost/config.hpp>
+
+#if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
+#include <type_traits>
+#else
+#include <cstddef>
+#endif
+
+namespace boost {
+namespace alignment {
+namespace detail {
+
+#if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
+using std::remove_reference;
+using std::remove_all_extents;
+using std::remove_cv;
+#else
+template<class T>
+struct remove_reference {
+    typedef T type;
+};
+
+template<class T>
+struct remove_reference<T&> {
+    typedef T type;
+};
+
+#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+template<class T>
+struct remove_reference<T&&> {
+    typedef T type;
+};
+#endif
+
+template<class T>
+struct remove_all_extents {
+    typedef T type;
+};
+
+template<class T>
+struct remove_all_extents<T[]> {
+    typedef typename remove_all_extents<T>::type type;
+};
+
+template<class T, std::size_t N>
+struct remove_all_extents<T[N]> {
+    typedef typename remove_all_extents<T>::type type;
+};
+
+template<class T>
+struct remove_cv {
+    typedef T type;
+};
+
+template<class T>
+struct remove_cv<const T> {
+    typedef T type;
+};
+
+template<class T>
+struct remove_cv<volatile T> {
+    typedef T type;
+};
+
+template<class T>
+struct remove_cv<const volatile T> {
+    typedef T type;
+};
+#endif
+
+template<class T>
+struct element_type {
+    typedef typename remove_cv<typename remove_all_extents<typename
+        remove_reference<T>::type>::type>::type type;
+};
+
+} /* detail */
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/integral_constant.hpp

@@ -0,0 +1,53 @@
+/*
+Copyright 2014-2016 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_INTEGRAL_CONSTANT_HPP
+#define BOOST_ALIGN_DETAIL_INTEGRAL_CONSTANT_HPP
+
+#include <boost/config.hpp>
+
+#if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
+#include <type_traits>
+#endif
+
+namespace boost {
+namespace alignment {
+namespace detail {
+
+#if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
+using std::integral_constant;
+using std::true_type;
+using std::false_type;
+#else
+template<class T, T Value>
+struct integral_constant {
+    typedef T value_type;
+    typedef integral_constant type;
+
+    BOOST_CONSTEXPR operator value_type() const BOOST_NOEXCEPT {
+        return Value;
+    }
+
+    BOOST_CONSTEXPR value_type operator()() const BOOST_NOEXCEPT {
+        return Value;
+    }
+
+    BOOST_STATIC_CONSTEXPR T value = Value;
+};
+
+template<class T, T Value>
+BOOST_CONSTEXPR_OR_CONST T integral_constant<T, Value>::value;
+
+typedef integral_constant<bool, true> true_type;
+typedef integral_constant<bool, false> false_type;
+#endif
+
+} /* detail */
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/is_aligned.hpp

@@ -0,0 +1,34 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_IS_ALIGNED_HPP
+#define BOOST_ALIGN_DETAIL_IS_ALIGNED_HPP
+
+#include <boost/align/detail/is_alignment.hpp>
+#include <boost/assert.hpp>
+
+namespace boost {
+namespace alignment {
+
+inline bool
+is_aligned(const volatile void* ptr, std::size_t alignment) BOOST_NOEXCEPT
+{
+    BOOST_ASSERT(detail::is_alignment(alignment));
+    return (reinterpret_cast<std::size_t>(ptr) & (alignment - 1)) == 0;
+}
+
+inline bool
+is_aligned(std::size_t alignment, const volatile void* ptr) BOOST_NOEXCEPT
+{
+    BOOST_ASSERT(detail::is_alignment(alignment));
+    return (reinterpret_cast<std::size_t>(ptr) & (alignment - 1)) == 0;
+}
+
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/is_alignment.hpp

@@ -0,0 +1,28 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_IS_ALIGNMENT_HPP
+#define BOOST_ALIGN_DETAIL_IS_ALIGNMENT_HPP
+
+#include <boost/config.hpp>
+#include <cstddef>
+
+namespace boost {
+namespace alignment {
+namespace detail {
+
+BOOST_CONSTEXPR inline bool
+is_alignment(std::size_t value) BOOST_NOEXCEPT
+{
+    return (value > 0) && ((value & (value - 1)) == 0);
+}
+
+} /* detail */
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/is_alignment_constant.hpp

@@ -0,0 +1,26 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_IS_ALIGNMENT_CONSTANT_HPP
+#define BOOST_ALIGN_DETAIL_IS_ALIGNMENT_CONSTANT_HPP
+
+#include <boost/align/detail/integral_constant.hpp>
+#include <cstddef>
+
+namespace boost {
+namespace alignment {
+namespace detail {
+
+template<std::size_t N>
+struct is_alignment_constant
+    : integral_constant<bool, (N > 0) && ((N & (N - 1)) == 0)> { };
+
+} /* detail */
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/max_align.hpp

@@ -0,0 +1,26 @@
+/*
+Copyright 2014-2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_MAX_ALIGN_HPP
+#define BOOST_ALIGN_DETAIL_MAX_ALIGN_HPP
+
+#include <boost/align/detail/max_size.hpp>
+#include <boost/align/alignment_of.hpp>
+
+namespace boost {
+namespace alignment {
+namespace detail {
+
+template<class A, class B>
+struct max_align
+    : max_size<alignment_of<A>::value, alignment_of<B>::value> { };
+
+} /* detail */
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/max_objects.hpp

@@ -0,0 +1,27 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_MAX_OBJECTS_HPP
+#define BOOST_ALIGN_DETAIL_MAX_OBJECTS_HPP
+
+#include <boost/align/detail/integral_constant.hpp>
+#include <cstddef>
+
+namespace boost {
+namespace alignment {
+namespace detail {
+
+template<class T>
+struct max_objects
+    : integral_constant<std::size_t,
+        ~static_cast<std::size_t>(0) / sizeof(T)> { };
+
+} /* detail */
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/max_size.hpp

@@ -0,0 +1,26 @@
+/*
+Copyright 2014-2015 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_MAX_SIZE_HPP
+#define BOOST_ALIGN_DETAIL_MAX_SIZE_HPP
+
+#include <boost/align/detail/integral_constant.hpp>
+#include <cstddef>
+
+namespace boost {
+namespace alignment {
+namespace detail {
+
+template<std::size_t A, std::size_t B>
+struct max_size
+    : integral_constant<std::size_t, (A > B) ? A : B> { };
+
+} /* detail */
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/min_size.hpp

@@ -0,0 +1,26 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_MIN_SIZE_HPP
+#define BOOST_ALIGN_DETAIL_MIN_SIZE_HPP
+
+#include <boost/align/detail/integral_constant.hpp>
+#include <cstddef>
+
+namespace boost {
+namespace alignment {
+namespace detail {
+
+template<std::size_t A, std::size_t B>
+struct min_size
+    : integral_constant<std::size_t, (A < B) ? A : B> { };
+
+} /* detail */
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/not_pointer.hpp

@@ -0,0 +1,27 @@
+/*
+Copyright 2019 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_NOT_POINTER_HPP
+#define BOOST_ALIGN_DETAIL_NOT_POINTER_HPP
+
+namespace boost {
+namespace alignment {
+namespace detail {
+
+template<class T, class U>
+struct not_pointer {
+    typedef U type;
+};
+
+template<class T, class U>
+struct not_pointer<T*, U> { };
+
+} /* detail */
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/detail/throw_exception.hpp

@@ -0,0 +1,44 @@
+/*
+Copyright 2019 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BOOST_ALIGN_DETAIL_THROW_EXCEPTION_HPP
+#define BOOST_ALIGN_DETAIL_THROW_EXCEPTION_HPP
+
+#include <boost/config.hpp>
+#if defined(BOOST_NO_EXCEPTIONS)
+#include <exception>
+#endif
+
+namespace boost {
+
+#if defined(BOOST_NO_EXCEPTIONS)
+BOOST_NORETURN void throw_exception(const std::exception&);
+#endif
+
+namespace alignment {
+namespace detail {
+
+#if !defined(BOOST_NO_EXCEPTIONS)
+template<class E>
+BOOST_NORETURN inline void
+throw_exception(const E& error)
+{
+    throw error;
+}
+#else
+BOOST_NORETURN inline void
+throw_exception(const std::exception& error)
+{
+    boost::throw_exception(error);
+}
+#endif
+
+} /* detail */
+} /* alignment */
+} /* boost */
+
+#endif

include/boost/align/is_aligned.hpp

@@ -0,0 +1,28 @@
+/*
+Copyright 2014 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+
+*/
+#ifndef BOOST_ALIGN_IS_ALIGNED_HPP
+#define BOOST_ALIGN_IS_ALIGNED_HPP
+
+#include <boost/align/detail/is_aligned.hpp>
+#include <boost/align/detail/not_pointer.hpp>
+
+namespace boost {
+namespace alignment {
+
+template<class T>
+BOOST_CONSTEXPR inline typename detail::not_pointer<T, bool>::type
+is_aligned(T value, std::size_t alignment) BOOST_NOEXCEPT
+{
+    return (value & (T(alignment) - 1)) == 0;
+}
+
+} /* alignment */
+} /* boost */
+
+#endif