Added thirdparty: boost library

thirdparty/include/boost/qvm/quat_traits_defaults.hpp

@@ -0,0 +1,36 @@
+#ifndef BOOST_QVM_QUAT_TRAITS_DEFAULTS_HPP_INCLUDED
+#define BOOST_QVM_QUAT_TRAITS_DEFAULTS_HPP_INCLUDED
+
+// Copyright 2008-2022 Emil Dotchevski and Reverge Studios, Inc.
+
+// 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 <boost/qvm/config.hpp>
+#include <boost/qvm/assert.hpp>
+
+namespace boost { namespace qvm {
+
+template <class>
+struct quat_traits;
+
+template <class QuatType,class ScalarType>
+struct
+quat_traits_defaults
+    {
+    typedef QuatType quat_type;
+    typedef ScalarType scalar_type;
+
+    template <int I>
+    static
+    BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_CRITICAL
+    scalar_type
+    read_element( quat_type const & x )
+        {
+        return quat_traits<quat_type>::template write_element<I>(const_cast<quat_type &>(x));
+        }
+    };
+
+} }
+
+#endif