Re: What is your opinion about unsigned int u = -2 ?

From	Tim Rentsch <tr.17687@z991.linuxsc.com>
Newsgroups	comp.lang.c
Subject	Re: What is your opinion about unsigned int u = -2 ?
Date	2024-08-11 13:57 -0700
Organization	A noiseless patient Spider
Message-ID	<86mslin5gc.fsf@linuxsc.com> (permalink)
References	(7 earlier) <v8jbj5$2us0r$4@dont-email.me> <v8lpo6$3i56e$1@dont-email.me> <v8lqmr$3i5od$2@dont-email.me> <v8lsvd$3i5od$3@dont-email.me> <87jzgxdv9x.fsf@nosuchdomain.example.com>

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Keith Thompson <Keith.S.Thompson+u@gmail.com> writes:

> Thiago Adams <thiago.adams@gmail.com> writes:
>
>> More samples..
>> max uint64  + 1 is signed 128 bits in gcc and unsigned  long long in clang
>>
>> #ifdef __clang__
>> static_assert(TYPE_IS(9223372036854775808, unsigned long long ));
>> #else
>> static_assert(TYPE_IS(9223372036854775808, __int128));
>> #endif
>>
>> https://godbolt.org/z/hveY44ov4
>
> 9223372036854775808 is 2**63, or INT64_MAX-1, not UINT64_MAX-1.

Of course you meant INT64_MAX + 1 (and presumably UINT64_MAX + 1).

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What is your opinion about unsigned int u = -2 ? Thiago Adams <thiago.adams@gmail.com> - 2024-07-31 10:55 -0300
  Re: What is your opinion about unsigned int u = -2 ? Ben Bacarisse <ben@bsb.me.uk> - 2024-07-31 20:29 +0100
    Re: What is your opinion about unsigned int u = -2 ? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-08-11 12:33 -0700
      Re: What is your opinion about unsigned int u = -2 ? Vir Campestris <vir.campestris@invalid.invalid> - 2024-08-11 21:08 +0100
        Re: What is your opinion about unsigned int u = -2 ? Richard Damon <richard@damon-family.org> - 2024-08-11 16:45 -0400
        Re: What is your opinion about unsigned int u = -2 ? James Kuyper <jameskuyper@alumni.caltech.edu> - 2024-08-11 16:53 -0400
          Re: What is your opinion about unsigned int u = -2 ? Vir Campestris <vir.campestris@invalid.invalid> - 2024-08-12 11:47 +0100
        Re: What is your opinion about unsigned int u = -2 ? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-08-11 23:07 -0700
  Re: What is your opinion about unsigned int u = -2 ? James Kuyper <jameskuyper@alumni.caltech.edu> - 2024-07-31 17:17 -0400
  Re: What is your opinion about unsigned int u = -2 ? Blue-Maned_Hawk <bluemanedhawk@invalid.invalid> - 2024-08-01 06:34 +0000
    Re: What is your opinion about unsigned int u = -2 ? Ben Bacarisse <ben@bsb.me.uk> - 2024-08-01 12:02 +0100
      Re: What is your opinion about unsigned int u = -2 ? Thiago Adams <thiago.adams@gmail.com> - 2024-08-02 10:36 -0300
        Re: What is your opinion about unsigned int u = -2 ? gazelle@shell.xmission.com (Kenny McCormack) - 2024-08-02 14:33 +0000
          Re: What is your opinion about unsigned int u = -2 ? Bart <bc@freeuk.com> - 2024-08-02 15:48 +0100
            Re: What is your opinion about unsigned int u = -2 ? Ben Bacarisse <ben@bsb.me.uk> - 2024-08-02 16:17 +0100
            Re: What is your opinion about unsigned int u = -2 ? Thiago Adams <thiago.adams@gmail.com> - 2024-08-02 15:39 -0300
              Re: What is your opinion about unsigned int u = -2 ? Thiago Adams <thiago.adams@gmail.com> - 2024-08-02 15:58 -0300
            Re: What is your opinion about unsigned int u = -2 ? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-02 11:48 -0700
              Re: What is your opinion about unsigned int u = -2 ? James Kuyper <jameskuyper@alumni.caltech.edu> - 2024-08-02 15:21 -0400
                Re: What is your opinion about unsigned int u = -2 ? Thiago Adams <thiago.adams@gmail.com> - 2024-08-02 22:03 -0300
                Re: What is your opinion about unsigned int u = -2 ? Thiago Adams <thiago.adams@gmail.com> - 2024-08-02 22:12 -0300
                Re: What is your opinion about unsigned int u = -2 ? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-02 18:31 -0700
                Re: What is your opinion about unsigned int u = -2 ? Thiago Adams <thiago.adams@gmail.com> - 2024-08-02 22:50 -0300
                Re: What is your opinion about unsigned int u = -2 ? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-02 19:29 -0700
                Re: What is your opinion about unsigned int u = -2 ? Thiago Adams <thiago.adams@gmail.com> - 2024-08-03 09:36 -0300
                Re: What is your opinion about unsigned int u = -2 ? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-03 16:10 -0700
                Re: What is your opinion about unsigned int u = -2 ? Thiago Adams <thiago.adams@gmail.com> - 2024-08-03 22:46 -0300
                Re: What is your opinion about unsigned int u = -2 ? Thiago Adams <thiago.adams@gmail.com> - 2024-08-03 23:04 -0300
                Re: What is your opinion about unsigned int u = -2 ? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-02 18:25 -0700
                Re: What is your opinion about unsigned int u = -2 ? Thiago Adams <thiago.adams@gmail.com> - 2024-08-02 22:44 -0300
                Re: What is your opinion about unsigned int u = -2 ? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-02 19:04 -0700
                Re: What is your opinion about unsigned int u = -2 ? Thiago Adams <thiago.adams@gmail.com> - 2024-08-02 23:27 -0300
                Re: What is your opinion about unsigned int u = -2 ? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-02 19:40 -0700
                Re: What is your opinion about unsigned int u = -2 ? David Brown <david.brown@hesbynett.no> - 2024-08-03 19:43 +0200
                Re: What is your opinion about unsigned int u = -2 ? Thiago Adams <thiago.adams@gmail.com> - 2024-08-03 14:46 -0300
                Re: What is your opinion about unsigned int u = -2 ? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-03 16:52 -0700
                Re: What is your opinion about unsigned int u = -2 ? dave_thompson_2@comcast.net - 2024-08-25 16:52 -0400
                Re: What is your opinion about unsigned int u = -2 ? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-25 14:28 -0700
                Re: What is your opinion about unsigned int u = -2 ? David Brown <david.brown@hesbynett.no> - 2024-08-03 19:34 +0200
                Re: What is your opinion about unsigned int u = -2 ? Thiago Adams <thiago.adams@gmail.com> - 2024-08-03 14:51 -0300
                Re: What is your opinion about unsigned int u = -2 ? Thiago Adams <thiago.adams@gmail.com> - 2024-08-03 15:30 -0300
                Re: What is your opinion about unsigned int u = -2 ? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-03 16:46 -0700
                Re: What is your opinion about unsigned int u = -2 ? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-08-11 13:57 -0700
                Re: What is your opinion about unsigned int u = -2 ? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-11 14:53 -0700
                Re: What is your opinion about unsigned int u = -2 ? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-08-03 16:19 -0700
              Re: What is your opinion about unsigned int u = -2 ? Bonita Montero <Bonita.Montero@gmail.com> - 2024-08-09 20:10 +0200
            Re: What is your opinion about unsigned int u = -2 ? David Brown <david.brown@hesbynett.no> - 2024-08-03 19:17 +0200
          Re: What is your opinion about unsigned int u = -2 ? Bonita Montero <Bonita.Montero@gmail.com> - 2024-08-04 20:29 +0200
            Re: What is your opinion about unsigned int u = -2 ? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-08-07 23:48 +0000
              Re: What is your opinion about unsigned int u = -2 ? David Brown <david.brown@hesbynett.no> - 2024-08-08 19:47 +0200
                Re: What is your opinion about unsigned int u = -2 ? Bonita Montero <Bonita.Montero@gmail.com> - 2024-08-09 20:08 +0200
                Re: What is your opinion about unsigned int u = -2 ? David Brown <david.brown@hesbynett.no> - 2024-08-09 20:19 +0200
                Re: What is your opinion about unsigned int u = -2 ? Bonita Montero <Bonita.Montero@gmail.com> - 2024-08-09 21:18 +0200
                Re: What is your opinion about unsigned int u = -2 ? David Brown <david.brown@hesbynett.no> - 2024-08-09 21:40 +0200
                Re: What is your opinion about unsigned int u = -2 ? Richard Damon <richard@damon-family.org> - 2024-08-09 21:16 -0400
    Re: What is your opinion about unsigned int u = -2 ? Bonita Montero <Bonita.Montero@gmail.com> - 2024-08-04 18:16 +0200

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