Robust Text to Floating point conversion
The author of this software is David M. Gay.

 
Copyright (c) 1991, 1996 by AT&T.

 
Permission to use, copy, modify, and distribute this software for any

purpose without fee is hereby granted, provided that this entire notice

is included in all copies of any software which is or includes a copy

or modification of this software and in all copies of the supporting

documentation for such software.

 
THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR 
IMPLIED
WARRANTY. IN PARTICULAR, NEITHER THE AUTHOR NOR AT&T MAKES 
ANY
REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE 
MERCHANTABILITY
OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
