[Info-vax] Attn VSI employees: Viable full system Itanium emulator for VMS ?
Bill Gunshannon
bill.gunshannon at gmail.com
Sun Feb 20 15:31:07 EST 2022
On 2/20/22 13:44, Hans Bachner wrote:
> Arne Vajhøj schrieb am 20.02.2022 um 02:10:
>> On 2/19/2022 1:05 PM, John Reagan wrote:
>>> On Friday, February 18, 2022 at 10:36:48 AM UTC-5, Bill Gunshannon
>>> wrote:
>>>> On 2/18/22 09:12, John Dallman wrote:
>>>>> In article <69d0b812-0d53-42b6... at googlegroups.com>,
>>>>> xyzz... at gmail.com (John Reagan) wrote:
>>>>>> On Thursday, February 17, 2022 at 2:28:46 PM UTC-5, Bill Gunshannon
>>>>>>> I can't understand the interest in HP-UX at all. It's just
>>>>>>> another proprietary Unix and not really one of the better ones.
>>>>>> Big endian
>>>>>
>>>>> What makes big-endian attractive to end-user organisations?
>>>>>
>>>>> John
>>>> What real difference does endianess make to anyone today?
>>>>
>>> <Fortran COMMON blocks enters the chat>
>>>
>>> Nobody has used a COMMON block in one place with an integer and in
>>> another with bytes? Or a C union or a Pascal variant record?
>>
>> I would use EQUIVALENCE and not COMMON for that, but it could be done
>> with COMMON.
>
> EQUIVALENCE is usually used when you need access to both definitions
> within the same program unit. (Named) COMMON can be used to use
> different definitions for the same memory area in different program units.
Using different COMMON block definitions for the same COMMON block
in different parts of the same program is usually considered very
bad practice and can result in some rather weird and very hard to
track down problems.
bill
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