Re: Ada decimal types

["REH" <me@you.com>]

"Keith Thompson" <kst-u@mib.org> wrote in message 
news:lnmzdvttoc.fsf@nuthaus.mib.org...
> "REH" <me@you.com> writes:
> [...]
>> I do know how fixed points "work."  You are making assumptions about my
>> expectations and the standard.  Both of which are wrong.  The internal of
>> the decimal type are not defined by the standard.  It could be stored at
>> integers; it could be BCD.  I personally don't care how it is stored.  I
>> just know that Ada guarantees me that if my delta is 1.0e6, it can 
>> represent
>> every multiple of it within my range.  You can specualate all you want 
>> about
>> how it "works."  I just care that it does.
>
> I think you mean 1.0e-6, not 1.0e6.

Yes.

>
> And it's the small, not the delta, that needs to be 1.0e-6.  If you
> specify a delta of 1.0e-6 for an ordinary fixed-point type without
> specifying the small, you'll (probabaly) get a small of 2.0**-20.
> (As you probably know.)

It's not an binary fixed point, but a decimal fixed point.  I believe the 
small has to be a power of ten, not two.  Anyways, that is a good point. 
For a decimal type, do I need to specify the small?

Thanks,

Rich