**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007 Chris Moore
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
value_type &
operator[](const int& i)
- { return (&_x)[i] ; }
+ { return i?_y:_x; }
const value_type &
operator[](const int& i) const
- { return (&_x)[i] ; }
+ { return i?_y:_x; }
const Vector &
operator+=(const Vector &rhs)