"An off-by-one error or off-by-one bug (known by acronyms OBOE, OBO, OB1 and OBOB) is a logic error involving the discrete equivalent of a boundary condition."
And these are discrete numbers, so I don't see the problem.
A huge fraction of off by one errors are > vs >= or < vs <= in a for loop.
And these are discrete numbers, so I don't see the problem.
A huge fraction of off by one errors are > vs >= or < vs <= in a for loop.