Mathlib : A C Library of Special Functions
Copyright (C) 1998 Ross Ihaka
Copyright (C) 2000-2007 the R Development Core Team
Copyright (C) 2004 The R Foundation
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.