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Re: Re: Power of two round up.

by runrig (Abbot)
on Dec 18, 2000 at 21:28 UTC ( [id://47214]=note: print w/replies, xml ) Need Help??


in reply to Re: Power of two round up.
in thread Power of two round up.

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 Section Cool Uses for Perl

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