1 files changed, 94 insertions, 0 deletions
diff --git a/boost/qvm/vec_traits_defaults.hpp b/boost/qvm/vec_traits_defaults.hpp
new file mode 100644
index 0000000000..80b5f858d0
--- /dev/null
+++ b/boost/qvm/vec_traits_defaults.hpp
@@ -0,0 +1,94 @@
+//Copyright (c) 2008-2016 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)
+
+#ifndef UUID_DFFD61ACC72311E6955FFF1F07624D53
+#define UUID_DFFD61ACC72311E6955FFF1F07624D53
+
+#include <boost/qvm/inline.hpp>
+#include <boost/qvm/assert.hpp>
+
+namespace
+boost
+    {
+    namespace
+    qvm
+        {
+        template <class>
+        struct vec_traits;
+
+        namespace
+        qvm_detail
+            {
+            template <int I,int N>
+            struct
+            vector_w
+                {
+                template <class A>
+                static
+                BOOST_QVM_INLINE_CRITICAL
+                typename vec_traits<A>::scalar_type &
+                write_element_idx( int i, A & a )
+                    {
+                    return I==i?
+                        vec_traits<A>::template write_element<I>(a) :
+                        vector_w<I+1,N>::write_element_idx(i,a);
+                    }
+                };
+
+            template <int N>
+            struct
+            vector_w<N,N>
+                {
+                template <class A>
+                static
+                BOOST_QVM_INLINE_TRIVIAL
+                typename vec_traits<A>::scalar_type &
+                write_element_idx( int, A & a )
+                    {
+                    BOOST_QVM_ASSERT(0);
+                    return vec_traits<A>::template write_element<0>(a);
+                    }
+                };
+            }
+
+        template <class VecType,class ScalarType,int Dim>
+        struct
+        vec_traits_defaults
+            {
+            typedef VecType vec_type;
+            typedef ScalarType scalar_type;
+            static int const dim=Dim;
+
+            template <int I>
+            static
+            BOOST_QVM_INLINE_CRITICAL
+            scalar_type
+            read_element( vec_type const & x )
+                {
+                return vec_traits<vec_type>::template write_element<I>(const_cast<vec_type &>(x));
+                }
+
+            static
+            BOOST_QVM_INLINE_CRITICAL
+            scalar_type
+            read_element_idx( int i, vec_type const & x )
+                {
+                return vec_traits<vec_type>::write_element_idx(i,const_cast<vec_type &>(x));
+                }
+
+            protected:
+
+            static
+            BOOST_QVM_INLINE_TRIVIAL
+            scalar_type &
+            write_element_idx( int i, vec_type & m )
+                {
+                return qvm_detail::vector_w<0,vec_traits<vec_type>::dim>::write_element_idx(i,m);
+                }
+            };
+        }
+    }
+
+#endif