update boost

linx64/include/boost/qvm/vec.hpp

@@ -1,89 +1,89 @@
-//Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc.
+#ifndef BOOST_QVM_VEC_HPP_INCLUDED
+#define BOOST_QVM_VEC_HPP_INCLUDED
 
-//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)
+// Copyright 2008-2022 Emil Dotchevski and Reverge Studios, Inc.
 
-#ifndef UUID_44EB56F0A33711DEB31B41BB56D89593
-#define UUID_44EB56F0A33711DEB31B41BB56D89593
+// 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/detail/vec_assign.hpp>
 #include <boost/qvm/assert.hpp>
 #include <boost/qvm/static_assert.hpp>
 
-namespace
-boost
+namespace boost { namespace qvm {
+
+template <class T,int D>
+struct
+vec
     {
-    namespace
-    qvm
+    T a[D];
+    template <class R
+#if __cplusplus >= 201103L
+        , class = typename enable_if<is_vec<R> >::type
+#endif
+    >
+    operator R() const
         {
-        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];
-                }
-            };
+        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_CONSTEXPR 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_CONSTEXPR 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_CONSTEXPR 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_CONSTEXPR 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