two's complement, was Re: Now OT

Paul Koning paulkoning at
Thu Jun 23 11:05:55 CDT 2016

> On Jun 23, 2016, at 10:50 AM, Camiel Vanderhoeven <iamcamiel at> wrote:
> ...
> There are many, many varieties of floating point formats. This page
> gives a nice overview:

Nice.  The CDC 6000 description isn't quite right (or not clear) because a negative float is formed by complementing the entire word, not just the mantissa part.

I'll feed the Electrologica details to the author of that page; they are different from everything shown there and have some interesting/useful properties.


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