Added boost header

test/external/boost/gil/gray.hpp

@@ -0,0 +1,45 @@
+/*
+    Copyright 2005-2007 Adobe Systems Incorporated
+   
+    Use, modification and distribution are subject to 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).
+
+    See http://opensource.adobe.com/gil for most recent version including documentation.
+*/
+
+/*************************************************************************************************/
+
+#ifndef GIL_GRAY_H
+#define GIL_GRAY_H
+
+////////////////////////////////////////////////////////////////////////////////////////
+/// \file
+/// \brief Support for grayscale color space and variants
+/// \author Lubomir Bourdev and Hailin Jin \n
+///         Adobe Systems Incorporated
+/// \date 2005-2007 \n Last updated on March 8, 2006
+////////////////////////////////////////////////////////////////////////////////////////
+
+#include "gil_config.hpp"
+#include "utilities.hpp"
+#include <boost/type_traits.hpp>
+#include <boost/mpl/range_c.hpp>
+#include <boost/mpl/vector_c.hpp>
+
+namespace boost { namespace gil {
+
+/// \ingroup ColorNameModel
+/// \brief Gray
+struct gray_color_t {};
+
+/// \ingroup ColorSpaceModel
+typedef mpl::vector1<gray_color_t> gray_t;
+
+/// \ingroup LayoutModel
+typedef layout<gray_t> gray_layout_t;
+
+} }  // namespace boost::gil
+
+#endif
+