feat():initial version

install/boost_1_75_0/include/boost/qvm/vec.hpp

@@ -0,0 +1,89 @@
+//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 BOOST_QVM_44EB56F0A33711DEB31B41BB56D89593
+#define BOOST_QVM_44EB56F0A33711DEB31B41BB56D89593
+
+#include <boost/qvm/detail/vec_assign.hpp>
+#include <boost/qvm/assert.hpp>
+#include <boost/qvm/static_assert.hpp>
+
+namespace
+boost
+    {
+    namespace
+    qvm
+        {
+        template <class T,int D>
+        struct
+        vec
+            {
+            T a[D];
+            template <class R>
+            operator R() const
+                {
+                R r;
+                assign(r,*this);
+                return r;
+                }
+            };
+
+        template <class V>
+        struct vec_traits;
+
+        template <class T,int Dim>
+        struct
+        vec_traits< vec<T,Dim> >
+            {
+            typedef vec<T,Dim> this_vector;
+            typedef T scalar_type;
+            static int const dim=Dim;
+
+            template <int I>
+            static
+            BOOST_QVM_INLINE_CRITICAL
+            scalar_type
+            read_element( this_vector const & x )
+                {
+                BOOST_QVM_STATIC_ASSERT(I>=0);
+                BOOST_QVM_STATIC_ASSERT(I<dim);
+                return x.a[I];
+                }
+
+            template <int I>
+            static
+            BOOST_QVM_INLINE_CRITICAL
+            scalar_type &
+            write_element( this_vector & x )
+                {
+                BOOST_QVM_STATIC_ASSERT(I>=0);
+                BOOST_QVM_STATIC_ASSERT(I<dim);
+                return x.a[I];
+                }
+
+            static
+            BOOST_QVM_INLINE_CRITICAL
+            scalar_type
+            read_element_idx( int i, this_vector const & x )
+                {
+                BOOST_QVM_ASSERT(i>=0);
+                BOOST_QVM_ASSERT(i<dim);
+                return x.a[i];
+                }
+
+            static
+            BOOST_QVM_INLINE_CRITICAL
+            scalar_type &
+            write_element_idx( int i, this_vector & x )
+                {
+                BOOST_QVM_ASSERT(i>=0);
+                BOOST_QVM_ASSERT(i<dim);
+                return x.a[i];
+                }
+            };
+        }
+    }
+
+#endif