float comparison confusion

[chrolson]

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Why is cmp returning -1 instead of returning positive integer?

 

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chrolson> Why is cmp returning -1 instead of returning positive integer?

Last time I checked 20.1 was less than 20.9.

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[Ben Finney]

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-1

Why is cmp returning -1 instead of returning positive integer?

True

What leads you to expect otherwise?