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Re: how to specify an 8 byte bool ?

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On 10/7/2022 2:07 AM, David Brown wrote:
> On 06/10/2022 22:07, Lynn McGuire wrote:
>> On 10/6/2022 7:16 AM, David Brown wrote:
>>> On 05/10/2022 21:10, Lynn McGuire wrote:
>>>> On 10/4/2022 8:41 PM, Lynn McGuire wrote:
>>>>> How do I specify an 8 byte bool ?  Long long ?
>>>>>
>>>>> Thanks,
>>>>> Lynn
>>>>
>>>> I forgot to mention that this is how I handle the 8 byte logical*8 
>>>> right now:
>>>>
>>>> typedef long long logical8;
>>>>
>>>
>>> You should prefer the sized types here - int64_t or uint64_t.  People 
>>> can - and have - argue endlessly about the pros and cons of different 
>>> types.  But when you know you need a precise size, and anything else 
>>> would be wrong, then it is best to specify that.
>>
>> Yeah, I have been thinking about changing f2c to use that.  Since it 
>> uses its own definitions in f2c.h, anything can be easily changed.  
>> f2c is a fairly old software so it has dated types in it.
>>
>> typedef long int integer;
>> typedef unsigned long int uinteger;
>> typedef char *address;
>> typedef short int shortint;
>> typedef float real;
>> typedef double doublereal;
>> typedef struct { real r, i; } complex;
>> typedef struct { doublereal r, i; } doublecomplex;
>> typedef long int logical;
>> typedef short int shortlogical;
>> typedef char logical1;
>> typedef char integer1;
>> typedef long long longint;        /* system-dependent */
>> typedef long long logical8;        /* system-dependent */
>> typedef unsigned long long ulongint;    /* system-dependent */
>> #define  fstring  fem::str
>>
>> Lynn
>>
> 
> An alternative if you want to keep C90 support (well, C90 with "long 
> long" support) would be to include <limits.h> and add some compile-time 
> checks on the sizes.  The point is to be sure that the sizes are what 
> you expect them to be.
> 
> You will also want to change the "logical1" and "integer1" typedefs.  It 
> is madness to use a plain "char" for anything other than an ASCII 
> character.  You want "signed char" for "integer1", and I would have 
> thought "unsigned char" is the appropriate choice for "logical1".

I don't use those types in my code so I don't care.  Those types are 
just in the standard f2c.h declaration.

Thanks,
Lynn

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how to specify an 8 byte bool ? Lynn McGuire <lynnmcguire5@gmail.com> - 2022-10-04 20:41 -0500
  Re: how to specify an 8 byte bool ? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-10-04 19:58 -0700
    Re: how to specify an 8 byte bool ? Lynn McGuire <lynnmcguire5@gmail.com> - 2022-10-04 22:35 -0500
      Re: how to specify an 8 byte bool ? Christian Gollwitzer <auriocus@gmx.de> - 2022-10-05 07:38 +0200
        Re: how to specify an 8 byte bool ? Lynn McGuire <lynnmcguire5@gmail.com> - 2022-10-05 14:02 -0500
        Re: how to specify an 8 byte bool ? Lynn McGuire <lynnmcguire5@gmail.com> - 2022-10-05 14:03 -0500
      Re: how to specify an 8 byte bool ? David Brown <david.brown@hesbynett.no> - 2022-10-05 09:38 +0200
        Re: how to specify an 8 byte bool ? Lynn McGuire <lynnmcguire5@gmail.com> - 2022-10-05 14:03 -0500
      Re: how to specify an 8 byte bool ? "Fred. Zwarts" <F.Zwarts@KVI.nl> - 2022-10-05 23:19 +0200
        Re: how to specify an 8 byte bool ? "daniel...@gmail.com" <danielaparker@gmail.com> - 2022-10-05 18:45 -0700
          Re: how to specify an 8 byte bool ? Lynn McGuire <lynnmcguire5@gmail.com> - 2022-10-05 21:05 -0500
            Re: how to specify an 8 byte bool ? "daniel...@gmail.com" <danielaparker@gmail.com> - 2022-10-05 19:07 -0700
          Re: how to specify an 8 byte bool ? "Fred. Zwarts" <F.Zwarts@KVI.nl> - 2022-10-06 10:39 +0200
          Re: how to specify an 8 byte bool ? David Brown <david.brown@hesbynett.no> - 2022-10-06 14:14 +0200
          Re: how to specify an 8 byte bool ? scott@slp53.sl.home (Scott Lurndal) - 2022-10-06 14:03 +0000
  Re: how to specify an 8 byte bool ? Lynn McGuire <lynnmcguire5@gmail.com> - 2022-10-05 14:10 -0500
    Re: how to specify an 8 byte bool ? scott@slp53.sl.home (Scott Lurndal) - 2022-10-05 20:34 +0000
      Re: how to specify an 8 byte bool ? Lynn McGuire <lynnmcguire5@gmail.com> - 2022-10-05 16:18 -0500
        Re: how to specify an 8 byte bool ? scott@slp53.sl.home (Scott Lurndal) - 2022-10-05 22:25 +0000
          Re: how to specify an 8 byte bool ? scott@slp53.sl.home (Scott Lurndal) - 2022-10-05 22:27 +0000
            Re: how to specify an 8 byte bool ? Lynn McGuire <lynnmcguire5@gmail.com> - 2022-10-05 19:16 -0500
    Re: how to specify an 8 byte bool ? David Brown <david.brown@hesbynett.no> - 2022-10-06 14:16 +0200
      Re: how to specify an 8 byte bool ? Lynn McGuire <lynnmcguire5@gmail.com> - 2022-10-06 15:07 -0500
        Re: how to specify an 8 byte bool ? David Brown <david.brown@hesbynett.no> - 2022-10-07 09:07 +0200
          Re: how to specify an 8 byte bool ? Lynn McGuire <lynnmcguire5@gmail.com> - 2022-10-07 14:23 -0500
  Re: how to specify an 8 byte bool ? Bonita Montero <Bonita.Montero@gmail.com> - 2022-10-10 18:04 +0200

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