Is there a difference between a “finite state machine” and a “state machine”?

I’m not sure I understand if there is a difference between a finite state machine and a state machine? Am I thinking about this too hard? Yes, you are thinking about it too hard. 🙂 It depends on context. Obviously, taken literally, the term “finite state machine” indicates a finite number of states, while “state … Read more

Is constexpr-based computation Turing complete?

tl;dr: constexpr in C++11 was not Turing-complete, due to a bug in the specification of the language, but that bug has been addressed in later drafts of the standard, and clang already implements the fix. constexpr, as specified in the ISO C++11 international standard, is not Turing-complete. Sketch proof: Every constexpr function f‘s result (or … Read more

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