Working with the set of real numbers (was: Finding size of Variable)

Ben Finney ben+python at
Wed Feb 12 09:17:06 CET 2014

Chris Angelico <rosuav at> writes:

> I have yet to find any computer that works with the set of real
> numbers in any way. Never mind optimization, they simply cannot work
> with real numbers.

Not *any* computer? Not in *any* way? The Python built-in ‘float’ type
“works with the set of real numbers”, in a way.

The <URL:> ABC
defines behaviours for types implementing the set of real numbers.

What specific behaviour would, for you, qualify as “works with the set
of real numbers in any way”?

 \          “The fact that I have no remedy for all the sorrows of the |
  `\     world is no reason for my accepting yours. It simply supports |
_o__)  the strong probability that yours is a fake.” —Henry L. Mencken |
Ben Finney

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