diff options
Diffstat (limited to 'common_audio/signal_processing/spl_sqrt_floor.c')
-rw-r--r-- | common_audio/signal_processing/spl_sqrt_floor.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/common_audio/signal_processing/spl_sqrt_floor.c b/common_audio/signal_processing/spl_sqrt_floor.c index f0e8ae28..607a3188 100644 --- a/common_audio/signal_processing/spl_sqrt_floor.c +++ b/common_audio/signal_processing/spl_sqrt_floor.c @@ -1,10 +1,33 @@ /* - * Written by Wilco Dijkstra, 1996. Refer to file LICENSE under - * trunk/third_party_mods/sqrt_floor. + * Written by Wilco Dijkstra, 1996. The following email exchange establishes the + * license. * - * Minor modifications in code style for WebRTC, 2012. + * 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 */ +// Minor modifications in code style for WebRTC, 2012. + #include "signal_processing_library.h" /* |