On Fri, 2009-01-02 at 12:35 +0000, James Turner wrote:
> On 2 Jan 2009, at 04:20, Csaba Halász wrote:
>
> > Found the feenableexcept() function, so expect more of these :)
> > Thanks to Ron for his help.
>
> Applied. Frankly, all uses of atan() should probably be replaced with
> atan2(), but with some inspection of the call site to verify the
> change is sane.
>
> Regards,
> James
There was some code to correct the angle quadrant that needs to come out
now that we're using atan2()
Ron
Index: src/AIModel/AICarrier.cxx
===================================================================
RCS file: /var/cvs/FlightGear-0.9/source/src/AIModel/AICarrier.cxx,v
retrieving revision 1.26
diff -u -r1.26 AICarrier.cxx
--- src/AIModel/AICarrier.cxx 2 Jan 2009 12:34:28 -0000 1.26
+++ src/AIModel/AICarrier.cxx 11 Jan 2009 00:24:09 -0000
@@ -517,14 +517,6 @@
rel_wind_from_deg = atan2(rel_wind_speed_from_east_kts, rel_wind_speed_from_north_kts)
* SG_RADIANS_TO_DEGREES;
- // rationalise the output
- if (rel_wind_speed_from_north_kts <= 0) {
- rel_wind_from_deg = 180 + rel_wind_from_deg;
- } else {
- if(rel_wind_speed_from_east_kts <= 0)
- rel_wind_from_deg = 360 + rel_wind_from_deg;
- }
-
//calculate rel wind
rel_wind = rel_wind_from_deg - hdg;
if (rel_wind > 180)
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