I think Ron started out with this subject line. I tried to change it, but
everyone is replying to the original thread. I don't think anyone is trying
to depricate nasal. They'd have a big fight on their hands if they did try!
Curt.
On Thu, Jan 28, 2010 at 2:39 PM, Jari Häkkinen <j...@flygarna.se> wrote:
> Why change the subject? James did not ask for deprecating Nasal, he
> simply wanted to avoid multiple implementation of functionality. Less
> error prone and if the available functionality does not fit ones need,
> then fall back on Nasal (or C++).
>
>
> Cheers,
>
> Jari
>
>
> On 2010-01-28 16.20, Ron Jensen wrote:
> > On Thu, 2010-01-28 at 09:24 +0000, James Turner wrote:
> >> On 28 Jan 2010, at 03:45, Ron Jensen wrote:
> >>
> >>> Here is a nasal function to determine if a frequency is a localizer.
> It
> >>> accepts a frequency in megahertz and returns "1" if the frequency is an
> >>> ILS frequency.
> >>>
> >>>
> >>> var isILS=func(freq) {
> >>> if(freq< 108.10) return 0;
> >>> if(freq> 111.95) return 0;
> >>> var bar=int((freq+0.001)*10)-int(freq)*10;
> >>> return(bits.test(bar,0));
> >>> }
> >>
> >> A general observation - it'd be much better to request C++
> >> properties / native-nasal functions that implement such logic, rather
> >> than coding it up in Nasal (in each aircraft / instrument).
> >
> > Actually, I disagree with this statement, and it represents a
> > fundamental shift in attitude from the way I've seen flightgear's
> > development progressing over the past year or two.
> >
> > - Hard-coding every instrument in C++ instead of nasal means only
> > developers following/building the latest cvs head code get to use
> > whatever until the next release cycle.
> >
> > - Hard coding every instrument/flight control in C++ means my WW-II
> > storch (et.al.) is stuck with an autobrake functionality it doesn't have
> > nor need.
> >
> > - The pool of people with commit rights to C++ code is very, very small.
> >
> > Thanks,
> > Ron
> >
> >
> >
> >
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--
Curtis Olson: http://baron.flightgear.org/~curt/
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