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Re: Re (tilly) 1: Power of two round up.

by japhy (Canon)
on Dec 15, 2000 at 23:31 UTC ( #46896=note: print w/ replies, xml ) Need Help??

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  1. or download this
    sub next_pwr {
      my ($x,$p) = (@_,2);  # default to next_pwr(X,2)
    ...
      $log = int($log+1) if $log != int($log);
      return $p**$log;
    }
    
  2. or download this
    {
      my %LOG = (2 => log(2));  # most common
    ...
        return $p ** $log;
      }
    }
    

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