1 files changed, 27 insertions, 0 deletions
diff --git a/boost/align/align_down.hpp b/boost/align/align_down.hpp
new file mode 100644
index 0000000000..f437f8e5b3
--- /dev/null
+++ b/boost/align/align_down.hpp
@@ -0,0 +1,27 @@
+/*
+(c) 2015 Glen Joseph Fernandes
+<glenjofe -at- gmail.com>
+
+Distributed under the Boost Software
+License, Version 1.0.
+http://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/align_down_forward.hpp>
+
+namespace boost {
+namespace alignment {
+
+BOOST_CONSTEXPR inline std::size_t align_down(std::size_t value,
+    std::size_t alignment) BOOST_NOEXCEPT
+{
+    return value & ~(alignment - 1);
+}
+
+} /* .alignment */
+} /* .boost */
+
+#endif