Deutsch English Français Italiano |
<v72ink$jpjv$1@dont-email.me> View for Bookmarking (what is this?) Look up another Usenet article |
Path: ...!3.eu.feeder.erje.net!feeder.erje.net!news.in-chemnitz.de!news.swapon.de!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Mikko <mikko.levanto@iki.fi> Newsgroups: comp.theory Subject: Re: What is the correct halt status for HHH(DDD) ? Date: Mon, 15 Jul 2024 10:22:28 +0300 Organization: - Lines: 51 Message-ID: <v72ink$jpjv$1@dont-email.me> References: <ad93b25297ec232cc5605c0979e3b3fe3c9283f2@i2pn2.org> <v6ug87$3mpsd$1@dont-email.me> <v700in$29qc$1@dont-email.me> <v70nq5$61d8$5@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Mon, 15 Jul 2024 09:22:28 +0200 (CEST) Injection-Info: dont-email.me; posting-host="eb7bc3c094cc39ab136406329ffd9913"; logging-data="648831"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/saW8kXAOZkQsC6Fd51ADk" User-Agent: Unison/2.2 Cancel-Lock: sha1:UQT8HT1XEpkD5r90oSU5J6a6CS4= Bytes: 2308 On 2024-07-14 14:36:52 +0000, olcott said: > On 7/14/2024 3:00 AM, Mikko wrote: >> On 2024-07-13 18:15:35 +0000, olcott said: >> >>> On 7/13/2024 12:25 PM, Richard Damon wrote: >>>> On 7/13/24 12:48 PM, olcott wrote: >>>>> What is the correct halt status for an input to >>>>> a simulating termination analyzer that calls its >>>>> own termination analyzer? >>>>> >>>>> typedef void (*ptr)(); >>>>> int HHH(ptr P); >>>>> >>>>> void DDD() >>>>> { >>>>> HHH(DDD); >>>>> } >>>>> >>>>> int main() >>>>> { >>>>> HHH(DDD); >>>>> } >>>>> >>>> >>>> Halting. >>>> >>>> Since HHH defined to be a termination analyzer, by that definition it >>>> must return to its caller. >>>> >>>> Since DDD has no inputs, its behavior isn't affected by any inputs, and >>>> thus DDD will halt for ALL input conditions, so >>> >>> You are stupidly saying that Infinite_Loop() will halt because >>> it has no inputs. >> >>> void Infinite_Loop() >>> { >>> HERE: goto HERE; >>> } >> >> You are stupidly saying that Infinite loop is executed as a part of HHH. >> > > Infinite_Loop() is emulated in its own process context. In that case, how do you justify "You are stupidly saying"? -- Mikko