[FFmpeg-devel] [PATCH] eval: add sqrt function for computing the squared root

[Baptiste Coudurier]

On 05/03/2011 05:56 PM, Michael Niedermayer wrote:
> On Tue, May 03, 2011 at 11:32:08PM +0200, Stefano Sabatini wrote:
>> ---
>>  doc/eval.texi    |    3 +++
>>  libavutil/eval.c |    4 ++++
>>  2 files changed, 7 insertions(+), 0 deletions(-)
>>
>> diff --git a/doc/eval.texi b/doc/eval.texi
>> index d0e04c0..fe3eea6 100644
>> --- a/doc/eval.texi
>> +++ b/doc/eval.texi
>> @@ -72,6 +72,9 @@ integer. For example, "floor(-1.5)" is "-2.0".
>>  @item trunc(expr)
>>  Round the value of expression @var{expr} towards zero to the nearest
>>  integer. For example, "trunc(-1.5)" is "-1.0".
>> +
>> + at item sqrt(expr)
>> +Compute the squared root of @var{expr}.
>>  @end table
> 
> why do we need sqrt ?
> x^.5
> is shorter

It's better for users IMHO

-- 
Baptiste COUDURIER
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