From aa13b5e20393c54b4212b49fa954f2ffe71492d1 Mon Sep 17 00:00:00 2001
From: DonLakeFlyer <don@thegagnes.com>
Date: Tue, 15 Sep 2020 11:10:29 -0700
Subject: [PATCH] Fix min/max AMSL alt calc

---
 src/MissionManager/TransectStyleComplexItem.cc | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/MissionManager/TransectStyleComplexItem.cc b/src/MissionManager/TransectStyleComplexItem.cc
index da8e119fc6..113270a3e9 100644
--- a/src/MissionManager/TransectStyleComplexItem.cc
+++ b/src/MissionManager/TransectStyleComplexItem.cc
@@ -662,12 +662,12 @@ void TransectStyleComplexItem::_adjustTransectsForTerrain(void)
         _amslEntryAltChanged();
         _amslExitAltChanged();
 
-        _minAMSLAltitude = 0;
-        _maxAMSLAltitude = 0;
+        _minAMSLAltitude = qQNaN();
+        _maxAMSLAltitude = qQNaN();
         for (const QList<CoordInfo_t>& transect: _transects) {
             for (const CoordInfo_t& coordInfo: transect) {
-                _minAMSLAltitude = qMin(_minAMSLAltitude, coordInfo.coord.altitude());
-                _maxAMSLAltitude = qMax(_maxAMSLAltitude, coordInfo.coord.altitude());
+                _minAMSLAltitude = std::fmin(_minAMSLAltitude, coordInfo.coord.altitude());
+                _maxAMSLAltitude = std::fmax(_maxAMSLAltitude, coordInfo.coord.altitude());
             }
         }
         emit minAMSLAltitudeChanged(_minAMSLAltitude);
-- 
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