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In <1993Jan22.182648.7390@zia.aoc.nrao.edu> cflatter@nrao.edu writes:

>>   <some cited lines about numerical precision deleted>
> Unfortunately his discussion of numerical precision is very outdated.  Almost
> anything you are likely to have on your desk these days will maintain much
> better precision than Meeus would lead you to believe (most machines will
> only lose one bit of precision in subtraction no matter how close the numbers
> being subtracted for example).
> 
> 	Chris Flatters
> 	cflatter@nrao.edu
>
Hmmm.  If you subtract two numbers that differ by only the last bit in their
binary representation, then your result only has one bit of precision.
So I think your above words were not very carefully chosen.  Could you
elaborate on what you mean?

Regards,
Dirk Husfeld

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