Mesa (master): util: add MIN4, MAX4

[Michal Krol]

W dniu 2010-08-27 14:14, Keith Whitwell pisze:
> Module: Mesa
> Branch: master
> Commit: e826d0e8170028da553d2018b833af7c26b8dc1b
> URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=e826d0e8170028da553d2018b833af7c26b8dc1b
>
> Author: Keith Whitwell<keithw at vmware.com>
> Date:   Thu Aug 26 20:03:03 2010 +0100
>
> util: add MIN4, MAX4
>
> ---
>
>   src/gallium/auxiliary/util/u_math.h |    3 +++
>   1 files changed, 3 insertions(+), 0 deletions(-)
>
> diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h
> index fe19466..6ba4e24 100644
> --- a/src/gallium/auxiliary/util/u_math.h
> +++ b/src/gallium/auxiliary/util/u_math.h
> @@ -566,6 +566,9 @@ util_bswap16(uint16_t n)
>   #define MIN3( A, B, C ) MIN2( MIN2( A, B ), C )
>   #define MAX3( A, B, C ) MAX2( MAX2( A, B ), C )
>
> +#define MIN4( A, B, C, D ) MIN2( MIN2( A, B ), MIN2(C, D) )
> +#define MAX4( A, B, C, D ) MAX2( MAX2( A, B ), MIN2(C, D) )
> +

Typo in MAX4?

>
>   /**
>    * Align a value, only works pot alignemnts.
>