diff options
Diffstat (limited to 'common_audio/signal_processing/spl_sqrt_floor_arm.S')
| -rw-r--r-- | common_audio/signal_processing/spl_sqrt_floor_arm.S | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/common_audio/signal_processing/spl_sqrt_floor_arm.S b/common_audio/signal_processing/spl_sqrt_floor_arm.S index c49ef1f3..09d1e72f 100644 --- a/common_audio/signal_processing/spl_sqrt_floor_arm.S +++ b/common_audio/signal_processing/spl_sqrt_floor_arm.S @@ -1,6 +1,30 @@ -@ 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. +@ +@ 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. @ Output is bit-exact with the reference C code in spl_sqrt_floor.c. |