Added thirdparty: boost library

thirdparty/include/boost/safe_numerics/concept/integer.hpp

@@ -0,0 +1,21 @@
+#ifndef BOOST_NUMERIC_CONCEPT_INTEGER_HPP
+#define BOOST_NUMERIC_CONCEPT_INTEGER_HPP
+
+//  Copyright (c) 2012 Robert Ramey
+//
+// 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)
+
+#include "numeric.hpp"
+
+namespace boost {
+namespace safe_numerics {
+
+template<class T>
+using Integer = std::integral_constant<bool, Numeric<T>() && std::numeric_limits<T>::is_integer>;
+
+} // safe_numerics
+} // boost
+
+#endif // BOOST_NUMERIC_CONCEPT_INTEGER_HPP