Tuesday, September 27, 2005

Floating Point

Peter Ammon:

So, as a Mac programmer, I should really get a good handle on these floating point thingies. But floating point numbers seem pretty mysterious. I know that they can’t represent every integer, but I don’t really know which integers they actually can represent. And I know that they can’t represent every fraction, and that as the numbers get bigger, the fractions they can represent get less and less dense, and the space between each number becomes larger and larger. But how fast? What does it all LOOK like?

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