From 2733324701b0b3e7e9b7a47860dc3aa954ece80e Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Mon, 30 Aug 2004 18:51:42 +0000
Subject: [PATCH] Fixed the Matrix::get(Quat&) method

---
 src/osg/Matrix_implementation.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/osg/Matrix_implementation.cpp b/src/osg/Matrix_implementation.cpp
index 46e8e776d..0bb5708a2 100644
--- a/src/osg/Matrix_implementation.cpp
+++ b/src/osg/Matrix_implementation.cpp
@@ -125,12 +125,12 @@ void Matrix_implementation::get( Quat& q ) const
 
     int nxt[3] = {1, 2, 0};
 
-    tr = _mat[0][0] + _mat[1][1] + _mat[2][2];
+    tr = _mat[0][0] + _mat[1][1] + _mat[2][2]+1.0;
 
     // check the diagonal
     if (tr > 0.0)
     {
-        s = (value_type)sqrt (tr + 1.0);
+        s = (value_type)sqrt (tr);
         QW = s / 2.0;
         s = 0.5 / s;
         QX = (_mat[1][2] - _mat[2][1]) * s;