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+/*
+ * Written by Wilco Dijkstra, 1996. The following email exchange establishes the
+ * license.
+ *
+ * From: Wilco Dijkstra <Wilco.Dijkstra@ntlworld.com>
+ * Date: Fri, Jun 24, 2011 at 3:20 AM
+ * Subject: Re: sqrt routine
+ * To: Kevin Ma <kma@google.com>
+ * Hi Kevin,
+ * Thanks for asking. Those routines are public domain (originally posted to
+ * comp.sys.arm a long time ago), so you can use them freely for any purpose.
+ * Cheers,
+ * Wilco
+ *
+ * ----- Original Message -----
+ * From: "Kevin Ma" <kma@google.com>
+ * To: <Wilco.Dijkstra@ntlworld.com>
+ * Sent: Thursday, June 23, 2011 11:44 PM
+ * Subject: Fwd: sqrt routine
+ * Hi Wilco,
+ * I saw your sqrt routine from several web sites, including
+ * http://www.finesse.demon.co.uk/steven/sqrt.html.
+ * Just wonder if there's any copyright information with your Successive
+ * approximation routines, or if I can freely use it for any purpose.
+ * Thanks.
+ * Kevin
+ */