[haiku-development] Re: DeskCalc Improvements (was need strtold() function)
- From: Stephan Assmus <superstippi@xxxxxx>
- To: haiku-development@xxxxxxxxxxxxx
- Date: Wed, 03 Feb 2010 09:51:07 +0100
Hi,
On 2010-02-03 at 00:09:22 [+0100], John Scipione <jscipione@xxxxxxxxx>
wrote:
> On Tue, Feb 2, 2010 at 5:02 PM, Axel Dörfler <axeld@xxxxxxxxxxxxxxxx>
> wrote:
> > John Scipione <jscipione@xxxxxxxxx> wrote:
> >> I have attached a new patch to ticket #5203 at
> >> http://dev.haiku-os.org/ticket/5203
> >>
> >> This patch will ensure that deskcalc will (almost) always fit the
> >> result in the display window. An easy way to test the code is to make
> >> the window short and wide and type pi or sin(0.5) and watch the digits
> >> fill the screen. Then make the window tall and narrow and watch the
> >> result come back puny and inaccurately.
> >
> > I know I'm a bit late with this objection, but I find it pretty strange
> > to limit the computation accuracy to the window size. Can't we just
> > make sure that the interesting part of the result is alway shown (and
> > you'd have to scroll to get more accuracy)?
> > Or does it internally still use the more accurate number for further
> > computations?
>
> DeskCalc could be made to use some arbitrary accuracy independent of the
> window size, in fact, that is how it worked before I began (32 digits).
> But then the result may or may not fit in the text view which is ugly,
> the cursor gets put at the rightmost end of the result (correctly) but
> that is ugly because you can't see the beginning of the result without
> resizing or scrolling. Scrolling is of course an option but doesn't
> really solve the underlying problem.
>
> I could see imposing a maximum precision (lets say 32 digits) and not
> calculating beyond that no matter what your window size is but I don't
> see a reason why I should. Most users won't notice or care, for the few
> who want more accuracy they'll be able to get it. Either way the result
> will fit in the text view and look nice.
IMHO, fitting the result makes a lot of sense, but maintaining the accuracy
internally also makes a lot of sense. I haven't looked at your patch yet,
but from imagination, it shouldn't be too hard to have both features, no?
Best regards,
-Stephan
Other related posts:
