1 files changed, 95 insertions, 0 deletions
diff --git a/boost/qvm/mat_traits_defaults.hpp b/boost/qvm/mat_traits_defaults.hpp
new file mode 100644
index 0000000000..898e79064a
--- /dev/null
+++ b/boost/qvm/mat_traits_defaults.hpp
@@ -0,0 +1,95 @@
+//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_FB4D5BEAC71B11E68D0EEF1707624D53
+#define UUID_FB4D5BEAC71B11E68D0EEF1707624D53
+
+#include <boost/qvm/inline.hpp>
+#include <boost/qvm/assert.hpp>
+
+namespace
+boost
+    {
+    namespace
+    qvm
+        {
+        template <class>
+        struct mat_traits;
+
+        namespace
+        qvm_detail
+            {
+            template <int I,int N>
+            struct
+            matrix_w
+                {
+                template <class A>
+                static
+                BOOST_QVM_INLINE_CRITICAL
+                typename mat_traits<A>::scalar_type &
+                write_element_idx( int r, int c, A & a )
+                    {
+                    return (I/mat_traits<A>::cols)==r && (I%mat_traits<A>::cols)==c?
+                        mat_traits<A>::template write_element<I/mat_traits<A>::cols,I%mat_traits<A>::cols>(a) :
+                        matrix_w<I+1,N>::write_element_idx(r,c,a);
+                    }
+                };
+
+            template <int N>
+            struct
+            matrix_w<N,N>
+                {
+                template <class A>
+                static
+                BOOST_QVM_INLINE_TRIVIAL
+                typename mat_traits<A>::scalar_type &
+                write_element_idx( int, int, A & a )
+                    {
+                    BOOST_QVM_ASSERT(0);
+                    return mat_traits<A>::template write_element<0,0>(a);
+                    }
+                };
+            }
+
+        template <class MatType,class ScalarType,int Rows,int Cols>
+        struct
+        mat_traits_defaults
+            {
+            typedef MatType mat_type;
+            typedef ScalarType scalar_type;
+            static int const rows=Rows;
+            static int const cols=Cols;
+
+            template <int Row,int Col>
+            static
+            BOOST_QVM_INLINE_CRITICAL
+            scalar_type
+            read_element( mat_type const & x )
+                {
+                return mat_traits<mat_type>::template write_element<Row,Col>(const_cast<mat_type &>(x));
+                }
+
+            static
+            BOOST_QVM_INLINE_CRITICAL
+            scalar_type
+            read_element_idx( int r, int c, mat_type const & x )
+                {
+                return mat_traits<mat_type>::write_element_idx(r,c,const_cast<mat_type &>(x));
+                }
+
+            protected:
+
+            static
+            BOOST_QVM_INLINE_TRIVIAL
+            scalar_type &
+            write_element_idx( int r, int c, mat_type & m )
+                {
+                return qvm_detail::matrix_w<0,mat_traits<mat_type>::rows*mat_traits<mat_type>::cols>::write_element_idx(r,c,m);
+                }
+            };
+        }
+    }
+
+#endif