Re: integer divided by zero

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Sujet : Re: integer divided by zero
De : rjh (at) *nospam* cpax.org.uk (Richard Heathfield)
Groupes : comp.lang.c
Date : 28. Apr 2025, 14:52:17
Autres entêtes
Organisation : Fix this later
Message-ID : <vuo16h$3d25d$4@dont-email.me>
References : 1
User-Agent : Mozilla Thunderbird
On 25/04/2025 18:38, Thiago Adams wrote:
Does anyone know of any platform where integer division by zero returns a number, or in other words, where it's not treated as an error? I'm asking because division by zero is undefined behaviour, but I think division by a constant zero should be a constraint instead.
C? I doubt it very much.
In the 1980s, there was a BASIC dialect for 68000s, called GFA BASIC, which was available as both an interpreter and a compiler. The interpreter produced an error for 0/0, but the compiler optimised it to 1 (on the grounds that, for any a, a/a=1).
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Richard Heathfield
Email: rjh at cpax dot org dot uk
"Usenet is a strange place" - dmr 29 July 1999
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Date Sujet#  Auteur
25 Apr 25 * integer divided by zero46Thiago Adams
25 Apr 25 +* Re: integer divided by zero6David Brown
25 Apr 25 i`* Re: integer divided by zero5Thiago Adams
25 Apr 25 i `* Re: integer divided by zero4Keith Thompson
26 Apr 25 i  `* Re: integer divided by zero3Thiago Adams
26 Apr 25 i   `* Re: integer divided by zero2Kenny McCormack
26 Apr 25 i    `- Re: integer divided by zero1Kaz Kylheku
25 Apr 25 +* Re: integer divided by zero9Keith Thompson
25 Apr 25 i+* Re: integer divided by zero6Thiago Adams
25 Apr 25 ii`* Re: integer divided by zero5Keith Thompson
25 Apr 25 ii +* Re: integer divided by zero3Kaz Kylheku
26 Apr 25 ii i`* Re: integer divided by zero2Keith Thompson
14 May 25 ii i `- Re: integer divided by zero1Tim Rentsch
28 Apr 25 ii `- Re: integer divided by zero1Thiago Adams
30 Apr 25 i`* Re: integer divided by zero2Rosario19
30 Apr 25 i `- Re: integer divided by zero1David Brown
25 Apr 25 +- Re: integer divided by zero1John McCue
26 Apr 25 +- Re: integer divided by zero1Waldek Hebisch
27 Apr 25 +* Re: integer divided by zero24Bonita Montero
27 Apr 25 i+* Re: integer divided by zero11Bonita Montero
27 Apr 25 ii`* Did you get confused again? You seem eaily bewildered. (Was: integer divided by zero)10Kenny McCormack
27 Apr 25 ii `* Re: Did you get confused again? You seem eaily bewildered. (Was: integer divided by zero)9Bonita Montero
27 Apr 25 ii  +* Re: Did you get confused again? You seem eaily bewildered. (Was: integer divided by zero)3Kaz Kylheku
27 Apr 25 ii  i+- Re: Did you get confused again? You seem eaily bewildered. (Was: integer divided by zero)1Bonita Montero
28 Apr 25 ii  i`- Re: Did you get confused again? You seem eaily bewildered.1Waldek Hebisch
28 Apr 25 ii  +* Re: Did you get confused again? You seem eaily bewildered.3Waldek Hebisch
30 Apr 25 ii  i+- Re: Did you get confused again? You seem eaily bewildered.1Rosario19
30 Apr 25 ii  i`- Re: Did you get confused again? You seem eaily bewildered.1Richard Heathfield
28 Apr 25 ii  `* Re: Did you get confused again? You seem eaily bewildered.2Waldek Hebisch
28 Apr 25 ii   `- Re: Did you get confused again? You seem eaily bewildered.1Bonita Montero
28 Apr 25 i+* Re: integer divided by zero4Richard Heathfield
28 Apr 25 ii`* Re: integer divided by zero3Bonita Montero
28 Apr 25 ii `* Re: integer divided by zero2Richard Heathfield
28 Apr 25 ii  `- Re: integer divided by zero1Bonita Montero
28 Apr 25 i`* Re: integer divided by zero8Richard Damon
28 Apr 25 i +* Re: integer divided by zero5Bonita Montero
28 Apr 25 i i+- Re: integer divided by zero1Bonita Montero
28 Apr 25 i i`* Re: integer divided by zero3Michael S
28 Apr 25 i i +- Re: integer divided by zero1Bonita Montero
28 Apr 25 i i `- Re: integer divided by zero1Muttley
28 Apr 25 i `* Re: integer divided by zero2Waldek Hebisch
28 Apr 25 i  `- Re: integer divided by zero1Bonita Montero
28 Apr 25 +* Re: integer divided by zero2Richard Heathfield
28 Apr 25 i`- Re: integer divided by zero1Keith Thompson
3 May 25 `* Re: integer divided by zero2Vir Campestris
3 May 25  `- Re: integer divided by zero1Michael S

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