[Mesa-dev] [PATCH] Replace ONE_DIV_LN2 constant with M_LOG2E
Brian Paul
brian.e.paul at gmail.com
Sat May 7 07:11:02 PDT 2011
On Fri, May 6, 2011 at 11:01 AM, Matt Turner <mattst88 at gmail.com> wrote:
> 1/ln(2) is equivalent to log2(e), so define it as such.
>
> log2(e) = ln(e)/ln(2) = 1/ln(2)
>
> Worst of all, the definitions for M_LOG2E and ONE_DIV_LN2
> (right beside each other!) weren't the same.
>
> Reviewed-by: Alex Deucher <alexdeucher at gmail.com>
> Signed-off-by: Matt Turner <mattst88 at gmail.com>
I've applied this and the M_PI change. Thanks.
-Brian
More information about the mesa-dev
mailing list