From 61c96a36f35bc67d9249224c93f21a3927a1b31f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Thu, 23 Dec 2010 23:12:29 +0100
Subject: [PATCH] Not-so-precise matrix comparison.

---
 src/Matrix.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/Matrix.h b/src/Matrix.h
index fc2067d5e..1d2380100 100644
--- a/src/Matrix.h
+++ b/src/Matrix.h
@@ -21,6 +21,8 @@
 
 #include <cstring>
 
+#include "constants.h"
+
 namespace Magnum {
 
 /** @brief Matrix */
@@ -85,7 +87,12 @@ template<class T, size_t size> class Matrix {
 
         /** @brief Equality operator */
         inline bool operator==(const Matrix<T, size>& other) const {
-            return memcmp(_data, other.data(), size*size*sizeof(T)) == 0;
+            for(size_t row = 0; row != size; ++row) {
+                for(size_t col = 0; col != size; ++col)
+                    if(std::abs(at(col, row) - other.at(col, row)) >= EPSILON) return false;
+            }
+
+            return true;
         }
 
         /** @brief Non-equality operator */