1r#"Copyright 2001, softSurfer (www.softsurfer.com) 2This code may be freely used and modified for any purpose 3providing that this copyright notice is included with it. 4SoftSurfer makes no warranty for this code, and cannot be held 5liable for any real or imagined damage resulting from its use. 6Users of this code must verify correctness for their application. 7"#