[Kstars-devel] [kstars] kstars/skycomponents: Hack to fix constant crash I keep getting when zooming in and out. There is a problem with comet magnitude it is sometimes returned as NAN and this leads

[Jasem Mutlaq]

Git commit 0aad797c21d8dd59c70f655d62f4f85f4d5fad17 by Jasem Mutlaq.
Committed on 26/12/2013 at 15:56.
Pushed by mutlaqja into branch 'master'.

Hack to fix constant crash I keep getting when zooming in and out. There is a problem with comet magnitude it is sometimes returned as NAN and this leads
to a crash subsequently. Please investigate this further.

CCMAIL:kstars-devel at kde.org

M  +7    -3    kstars/skycomponents/cometscomponent.cpp

http://commits.kde.org/kstars/0aad797c21d8dd59c70f655d62f4f85f4d5fad17

diff --git a/kstars/skycomponents/cometscomponent.cpp b/kstars/skycomponents/cometscomponent.cpp
index fdd241f..e3b6540 100644
--- a/kstars/skycomponents/cometscomponent.cpp
+++ b/kstars/skycomponents/cometscomponent.cpp
@@ -190,9 +190,13 @@ void CometsComponent::draw( SkyPainter *skyp )
 
     foreach ( SkyObject *so, m_ObjectList ) {
         KSComet *com = (KSComet*)so;
-        bool drawn = skyp->drawPointSource(com,com->mag());
-        if ( drawn && !(hideLabels || com->rsun() >= rsunLabelLimit) )
-            SkyLabeler::AddLabel( com, SkyLabeler::COMET_LABEL );
+        double mag= com->mag();
+        if (isnan(mag) == 0)
+        {
+            bool drawn = skyp->drawPointSource(com,mag);
+            if ( drawn && !(hideLabels || com->rsun() >= rsunLabelLimit) )
+                SkyLabeler::AddLabel( com, SkyLabeler::COMET_LABEL );
+        }
     }
 }