[FFmpeg-devel] [PATCH 10/10] Document how av_cmp_q() deal when one of the values to be compared is 0/0.

[Michael Niedermayer]

On Thu, Sep 30, 2010 at 09:45:41PM +0200, Stefano Sabatini wrote:
> ---
>  libavutil/rational.h |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
> 
> diff --git a/libavutil/rational.h b/libavutil/rational.h
> index 2dd0c2c..bd2e711 100644
> --- a/libavutil/rational.h
> +++ b/libavutil/rational.h
> @@ -41,6 +41,10 @@ typedef struct AVRational{
>  
>  /**
>   * Compare two rationals.
> + * If one of the compared values is 0/0, the result of the comparison
> + * is always 0, so you should do an explicit check for that case
> + * rather than use this function.

is there any return value that would in any case avoid an additional check?


-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Opposition brings concord. Out of discord comes the fairest harmony.
-- Heraclitus
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