整理

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