Re: Bug in dc

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From	John Cowan <cowan@ccil.org>
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Subject	Re: Bug in dc
Date	Tue, 17 Jul 2018 16:23:00 -0400
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To	Russell Harper <russell.s.harper@gmail.com>
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That's because bc uses base-10 arithmetic internally.  It is the equal and
opposite phenomenon to the loss of significance in other languages when
using standard base-2 floating point.

On Tue, Jul 17, 2018 at 3:28 PM, Russell Harper <russell.s.harper@gmail.com>
wrote:

> Literal real values in bases other than 10 lose precision, e.g.
>
> $ dc <<<'16 d i o F423F.FD p'
> F423F.FA
>
> Would expect the output to be F423F.FD
>
> It basically makes the calculator useless for non-decimal calculations.
>
> Regards,
>
> Russell
>

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Re: Bug in dc John Cowan <cowan@ccil.org> - 2018-07-17 16:23 -0400

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