Re: Unintuitive expression evaluation
- From: anno4000@xxxxxxxxxxxxxxxxxxxxxxx (Anno Siegel)
- Date: 28 Oct 2005 12:30:52 GMT
Tassilo v. Parseval <tassilo.von.parseval@xxxxxxxxxxxxxx> wrote in comp.lang.perl.misc:
> Also sprach A. Sinan Unur:
> > Bill Davidsen <davidsen@xxxxxxxxxxxxxxxxxxxxx> wrote in
> > news:mNa8f.3023$Y61.1523@xxxxxxxxxxxxxxxxxxxxxxxxxx:
> I think the left-shift operator could be made smarter so that it always
> works up to 2**64 - 1, even on 32bit machines.
....but only if the bit pattern can be preserved. It wouldn't do to return
the numeric equivalent as a float. So there must be support for 64 bit
integers, either in hardware or in software. I don't think Perl supplies
that if the native C doesn't.
Anno
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- References:
- Unintuitive expression evaluation
- From: Bill Davidsen
- Re: Unintuitive expression evaluation
- From: A. Sinan Unur
- Re: Unintuitive expression evaluation
- From: Tassilo v. Parseval
- Unintuitive expression evaluation
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