[FFmpeg-devel] [PATCH] Add ceil(log2(x)) to libavutil/common.h
Diego Biurrun
diego
Mon Aug 24 11:59:11 CEST 2009
On Sun, Aug 23, 2009 at 07:14:42PM +0200, Thilo Borgmann wrote:
> Revision 2 attached.
>
> --- libavutil/common.h (revision 19682)
> +++ libavutil/common.h (working copy)
> @@ -225,6 +225,14 @@
>
> +/** Computes ceil(log2(x)).
> + * @param x value used to compute ceil(log2(x))
> + * @return computed ceiling of log2(x)
> + */
> +static inline av_const int av_ceil_log2(int x) {
> + return x - 1 ? av_log2((x - 1) << 1) : 0;
> +}
Format this in K&R style please. You should not just disregard what the
surrounding code looks like when you edit a file.
Diego
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