On Tue, Dec 22, 2015 at 4:31 PM, Ganesh Ajjanagadde wrote:
> On Tue, Dec 22, 2015 at 4:17 PM, Hendrik Leppkes wrote:
>> On Wed, Dec 23, 2015 at 12:29 AM, Ganesh Ajjanagadde
>> wrote:
>>> exp10 is a function available in GNU libm. Looks like no other common
>>> libm has it. This adds support for
On Tue, Dec 22, 2015 at 4:17 PM, Hendrik Leppkes wrote:
> On Wed, Dec 23, 2015 at 12:29 AM, Ganesh Ajjanagadde
> wrote:
>> exp10 is a function available in GNU libm. Looks like no other common
>> libm has it. This adds support for it to FFmpeg.
>>
>> There are essentially 2 ways of handling the f
On Wed, Dec 23, 2015 at 12:29 AM, Ganesh Ajjanagadde
wrote:
> exp10 is a function available in GNU libm. Looks like no other common
> libm has it. This adds support for it to FFmpeg.
>
> There are essentially 2 ways of handling the fallback:
> 1. Using pow(10, x)
> 2. Using exp2(M_LOG2_10 * x).
>
exp10 is a function available in GNU libm. Looks like no other common
libm has it. This adds support for it to FFmpeg.
There are essentially 2 ways of handling the fallback:
1. Using pow(10, x)
2. Using exp2(M_LOG2_10 * x).
First one represents a Pareto improvement, with no speed or accuracy
regr