float comparison confusion

[chrolson@gmail.com]

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>>cmp(20.10, 20.9)

-1

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

[skip@pobox.com]

Re: float comparison confusion


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

Last time I checked 20.1 was less than 20.9.

Skip

[Ben Finney]

Re: float comparison confusion

"chrolson@gmail .com" <chrolson@gmail .comwrites:

Type "help", "copyright" , "credits" or "license" for more information.

>cmp(20.10, 20.9)

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

>>20.10 < 20.9

True

>>20.1 < 20.9

True

>>20.10 == 20.1

True

What leads you to expect otherwise?

--
\ "A society that will trade a little liberty for a little order |
`\ will lose both, and deserve neither." -- Thomas Jefferson, in |
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Ben Finney