[Coco] A Basic09 Query
gheskett at shentel.net
Tue Aug 27 09:17:46 EDT 2019
On Tuesday 27 August 2019 07:36:21 Bill Gunshannon wrote:
> On 8/26/19 6:02 PM, Wayne Campbell wrote:
> > PI isn't really a function. It's more of a defined constant.
> It's listed as a Function on the Reference Card. And Basic09 is
> not the only language implementation I have seen to do this. It
> may only return the constant value, but I would assume if it
> is implemented as a function it has the associated overhead. Thus
> the reason for my question.
> > SQ and
> > SQR both compute the square root of a number. If I recall correctly,
> > one operates on REAL numbers, the other on INTEGER numbers, but I
> > may be misremembering there.
> The book lists both as taking "a numeric" and returning "a
> numeric". Nothing about either being Integer or Real. But,
> again, why? Why have the overhead of a function call for a
> simple multiplication?
Because a SQR is a long division? One of the longer to do functions you
can do? SQ is a simple mull by itself. Taking the root is a much longer
> I was hoping one of the former MicroWare denizens might
> remember why this was done in that manner.
Cheers, Gene Heskett
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