[Issue 6829] Unsigned rotate standard function in Phobos

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http://d.puremagic.com/issues/show_bug.cgi?id=6829



--- Comment #7 from Iain Buclaw <ibuclaw at ubuntu.com> 2013-07-10 02:50:07 PDT ---
(In reply to comment #5)
> I think this should be a recognizable rotate left function:
> 
>     private static uint rol(in uint x, in uint y) pure nothrow {
>         return (x << y) | (x >> (32 - y));
>     }

And likewise for rotate right function:

uint
ror (in uint x, in uint y) pure nothrow
{
  return (x >> y) | (x << (32 - y));
}

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