From 9d10d88f8f8c4f1180dd98b0324488a5ce1b152d Mon Sep 17 00:00:00 2001
From: ehofman <ehofman>
Date: Tue, 1 Jul 2003 08:19:41 +0000
Subject: [PATCH] Fix a problem where the compass goes negative by the
 variation when close to 360 degrees

---
 src/Main/fg_props.cxx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Main/fg_props.cxx b/src/Main/fg_props.cxx
index 18345fc9f..770ca620e 100644
--- a/src/Main/fg_props.cxx
+++ b/src/Main/fg_props.cxx
@@ -378,7 +378,10 @@ getMagDip ()
 static double
 getHeadingMag ()
 {
-  return current_aircraft.fdm_state->get_Psi() * SGD_RADIANS_TO_DEGREES - getMagVar();
+  double magheading;
+  magheading = current_aircraft.fdm_state->get_Psi() * SGD_RADIANS_TO_DEGREES - getMagVar();
+  if (magheading < 0) magheading += 360;
+  return magheading;
 }
 
 
-- 
2.39.5