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Re: Integer residue-classes

Michael Sperber scripsit:

> So I can't fault your argument, but I really am not sure which version
> (DIV+MOD which switches behavior depending on the second argument, or
> separate DIV+MOD and QUO+REM) would be easier to remember or less
> confusing.  It would help, if more people on this list could chime in.

Now that the question is verbal rather than mathematical, I feel
competent to comment: I prefer the separate functions and the names
DIV+, MOD+, DIV-, and MOD-.

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