Re: [PATCH] pp.c:pp_pow() -- quit when you're done

On Sat, Jun 15, 2002 at 06:56:12PM -0500, Craig A. Berry wrote:
> A for loop in pp_pow is constructed in such a way that it squares the 
> base again even after it's iterated through all the bits of the 
> exponent.  This could be a problem on any system where floating 
> overflow causes an exception; I noticed it with the D_FLOAT format on 
> OpenVMS Alpha, where it was causing Perl to blow up when running 
> p/op/pow.t.  The patch below fixes it by exiting the loop as soon as 
> we know we can.
> 
> If someone strongly objects to having this test inside the loop, I 
> can ifdef it.

Thanks, applied.  At least in UNICOS this shouldn't be necessary,
though, the Friday snapshot worked 100%.  May affect VOS.

-- 
$jhi++; # http://www.iki.fi/jhi/
        # There is this special biologist word we use for 'stable'.
        # It is 'dead'. -- Jack Cohen

• [PATCH] pp.c:pp_pow() -- quit when you're done by Craig A. Berry
• Re: [PATCH] pp.c:pp_pow() -- quit when you're done by Tels
• Re: [PATCH] pp.c:pp_pow() -- quit when you're done by Benjamin Goldberg
• Re: [PATCH] pp.c:pp_pow() -- quit when you're done by Nicholas Clark
• Re: [PATCH] pp.c:pp_pow() -- quit when you're done by Philip Newton
• Re: [PATCH] pp.c:pp_pow() -- quit when you're done by Nicholas Clark
• Re: [PATCH] pp.c:pp_pow() -- quit when you're done by Jarkko Hietaniemi
• Re: [PATCH] pp.c:pp_pow() -- quit when you're done by Craig A. Berry