Re: D correctly simulated by pure function H remains stuck in recursive simulation s

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Sujet : Re: D correctly simulated by pure function H remains stuck in recursive simulation s
De : Bonita.Montero (at) *nospam* gmail.com (Bonita Montero)
Groupes : comp.lang.c++ comp.lang.c
Date : 22. May 2024, 22:09:28
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <v2ljdg$1b9rs$1@raubtier-asyl.eternal-september.org>
References : 1 2 3
User-Agent : Mozilla Thunderbird
Am 22.05.2024 um 21:57 schrieb olcott:
On 5/22/2024 11:31 AM, Bonita Montero wrote:
Am 22.05.2024 um 15:57 schrieb olcott:
Because D correctly simulated by pure function H remains stuck in
recursive simulation simulating termination analyzer H is correct
to report that D does not halt.
>
typedef int (*ptr)();  // ptr is pointer to int function in C
00       int H(ptr p, ptr i);
01       int D(ptr p)
02       {
03         int Halt_Status = H(p, p);
04         if (Halt_Status)
05           HERE: goto HERE;
06         return Halt_Status;
07       }
08
09       int main()
10       {
11         H(D,D);
12         return 0;
13       }
>
It is trivial to see that for every H/D pair of the infinite
set of H/D pairs that match the above template that
>
D correctly simulated by H cannot possibly reach its own final
state at line 06 and halt because D correctly simulated by
H remains stuck in recursive simulation.
>
This provides the basis for simulating termination analyzer H to
correctly determine that the halting problem's counter-example
input D cannot possibly halt.
>
>
Ok, then every question is answered and we could proceed to
"sth. completely different" (Monty Python).
>
 *No this question has never been answered in this forum*
 
Because this question is about C++ and not theoretical computer
sciences. And even if you'd get an answer: you wouldn't recoginze
it because you're unable to see that you're asking nonsense.

Date Sujet#  Auteur
22 May 24 * D correctly simulated by pure function H remains stuck in recursive simulation s9olcott
22 May 24 `* Re: D correctly simulated by pure function H remains stuck in recursive simulation s8Bonita Montero
22 May 24  `* Re: D correctly simulated by pure function H remains stuck in recursive simulation s7olcott
22 May 24   +* Re: D correctly simulated by pure function H remains stuck in recursive simulation s4Bonita Montero
22 May 24   i+- Re: D correctly simulated by pure function H remains stuck in recursive simulation1olcott
22 May 24   i+- Re: D correctly simulated by pure function H remains stuck in recursive simulation s1Chris M. Thomasson
22 May 24   i`- Re: D correctly simulated by pure function H remains stuck in recursive simulation1olcott
23 May 24   `* Re: D correctly simulated by pure function H remains stuck in recursive simulation s2Mikko
23 May 24    `- Re: D correctly simulated by pure function H remains stuck in recursive simulation s1olcott

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