[Info-vax] New VSI Roadmap (yipee!)

[Scott Dorsey]

JF Mezei  <jfmezei.spamnot at vaxination.ca> wrote:
>On 15-03-02 17:44, Scott Dorsey wrote:
>
>> When that is the case, you use integers for cents, then you use input and
>> output routines that deal with the decimal point.
>
>
>I have not thought about this fully but...
>
>if you have
>
>internet total_cents
>float output_number
>
>you do all the math with total_cents.
>
>But when it comes to display, you do :
>	 output_number = total_cents /100.0
>
>
>And then you print the output_number with a format that allows only 2
>decimals.
>
>Would this work in every circumstance and be totally safe, or would
>there be cases where the displayed number would be off ?

This is how it is done when there are no BCD types... sometimes the compiler 
does it for you, sometimes you have to do it yourself.

>BTW, for SWIFT financial transfers, if I recall correctly, it had
>support for at least 4 or more decimals for currency amounts.  This was
>to allow the specification of say 100,000 widgets priced at USD $1.1234
>each based on current exchange rates.

If you have to deal with mils or tenths of a mil.... then you need to store
those instead of cents.
--scott
-- 
"C'est un Nagra. C'est suisse, et tres, tres precis."