Just to give Dominus more heebie jeebies :) 
sub round_up {
 local $_ = (shift)-1;
 my $num = (2**int(log($_)/log(2)))-1;
 return ++($_ |= $num);
}

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In reply to Re: Re: Power of two round up. by runrig
in thread Power of two round up. by boo_radley

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