[Info-vax] VMS Software Q1 '23 Update

[Dave Froble]

On 1/29/2023 9:49 AM, bill wrote:
> On 1/28/2023 8:39 PM, Arne Vajhøj wrote:
>> On 1/28/2023 8:28 PM, Scott Dorsey wrote:
>>>> On 1/28/2023 6:19 PM, Johnny Billquist wrote:
>>>>> On 2023-01-28 23:35, Arne Vajhøj wrote:
>>>>>> On 1/28/2023 3:01 PM, Steven Schweda wrote:
>>>>>>>> Consider the case where the numbers represent money.
>>>>>>>
>>>>>>>      Who cares what the numbers represent?  For example, if you round to
>>>
>>> One of the absolute FIRST things that I was told about floating point
>>> variables in my first programming class was to NEVER use them to represent
>>> money.
>>
>> It is known to be problematic.
>>
>> But there are 3 cases where it happens anyway:
>> - the developer does not care
>
> Wrong developer
>
>> - the language used does not have a decimal type and
>>    integers with implied decimal is considered to
>>    cumbersome
>
> Wrong language for the job
>
>> - decimal is actually used in general, but certain
>>    calculations temporarily move over in floating
>>    point (like some interest calculations)
>
> Wrong language for the job
>
> Obviously, all of these can be fixed properly.  Guess the concepts of
> right tool for the job and due diligence no longer carry any sway.
>
> bill
>
>

Must be nice to always be right.  Even nicer when one doesn't know what one is 
talking about.

-- 
David Froble                       Tel: 724-529-0450
Dave Froble Enterprises, Inc.      E-Mail: davef at tsoft-inc.com
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