[Octave-bug-tracker] [bug #46598] unable to get single eps when specifying class

[Carnë Draug]

Follow-up Comment #3, bug #46598 (project octave):

> As for this bug, what would follow the principle of least surprise? Would it
be to remove functionality and adopt the Matlab API for this function? Would
it be to remove the 'eps (..., CLASS)' functionality and just support 'eps
(CLASS)'

Least surprise is subjective. I'd argue that in this case, it would be expect
the user to specify X.  At the moment, the problem arises because when the
user calls "eps (M, N, K)", we do not know if M is the number of rows or the X
argument.  Since we can't make an educated guess we should not be assuming a
default.  Therefore I'd propose the following as the least surprise:


eps ()         => eps (1)
eps (CLASS)    => eps (1, CLASS)
eps (X, CLASS) => distance between X and next value in CLASS
eps (M, N, K)  => repmat (eps (M), N, K)
eps (M, N, K, CLASS) => repmat (eps (M, CLASS), N, K)


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