From c9d375f7a332232b3205b642c6351cf1bc74dbea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Mon, 1 Oct 2012 19:20:14 +0200
Subject: [PATCH] Making _data member of RectangularMatrix protected.

Better than friending subclasses.
---
 src/Math/RectangularMatrix.h | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/Math/RectangularMatrix.h b/src/Math/RectangularMatrix.h
index 044574fa5..329cccabd 100644
--- a/src/Math/RectangularMatrix.h
+++ b/src/Math/RectangularMatrix.h
@@ -63,8 +63,6 @@ Vector.
 template<size_t c, size_t r, class T> class RectangularMatrix {
     static_assert(c != 0 && r != 0, "Matrix cannot have zero elements");
 
-    friend class Vector<r, T>;
-
     public:
         typedef T Type;                 /**< @brief Data type */
         const static size_t cols = c;   /**< @brief %Matrix column count */
@@ -332,6 +330,11 @@ template<size_t c, size_t r, class T> class RectangularMatrix {
             return out;
         }
 
+    #ifndef DOXYGEN_GENERATING_OUTPUT
+    protected:
+        T _data[rows*cols];
+    #endif
+
     private:
         template<size_t ...sequence, class ...U> inline constexpr static RectangularMatrix<cols, rows, T> from(Implementation::Sequence<sequence...> s, const Vector<rows, T>& first, U... next) {
             return from(s, next..., first[sequence]...);
@@ -339,8 +342,6 @@ template<size_t c, size_t r, class T> class RectangularMatrix {
         template<size_t ...sequence, class ...U> inline constexpr static RectangularMatrix<cols, rows, T> from(Implementation::Sequence<sequence...>, T first, U... next) {
             return RectangularMatrix<cols, rows, T>(first, next...);
         }
-
-        T _data[rows*cols];
 };
 
 /** @relates RectangularMatrix