Good point , I'll try the abs . That formula continuously calculates the
flight path angle from vertical and forward speed fpm ... I saw the error
but hadnt figured it out yet .... didnt even think about a negative velocity
...
Thanks for that tip :)
I experience a nasal error when using the pushback or thrust reverse to
> get off the dock :
>
> Nasal runtime error: floating point error in math.sqrt()
> at
>
> /home/d2r2/archives/games/flightgear/CVS/Flightgear-CVS/data/Nasal/math.nas,
> line 12
> called from:
>
> /home/d2r2/archives/games/flightgear/CVS/Flightgear-CVS/data/Aircraft/777-200/Nasal/AFDS.nas,
> line 121
> called from:
>
> /home/d2r2/archives/games/flightgear/CVS/Flightgear-CVS/data/Aircraft/777-200/Nasal/AFDS.nas,
> line 215
>
> line 121 is : var FPangle = math.asin(VS/TAS) * 90;
>
> so I presume some value gets negative or null when making the plane go
> backwards, the math is not happy, the script hangs, resulting in the AP
> panel becoming unusable.
>
> I'm not sure what VS and TAS are, I'd be tempted to take a abs() before
> taking asin, but I'm just guessing without knowing.
>
>
>
>
>
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