--- a/src/fixedt.h	Tue Mar 06 15:30:54 2007 +0000
+++ b/src/fixedt.h	Wed Mar 07 14:36:57 2007 +0000
@@ -292,6 +292,11 @@
 	}
 
 	/**
+	 * Unary minus operator
+	 */
+	FixedT operator -() const { return Raw(-Raw::m_data); }
+
+	/**
 	 * Stream operator, used for floating point output
 	 * @param os    The stream we are going to write to
 	 * @param value The Fixed-point variable we want to write in the stream