Don't crash on crazy time axis values

Instead just draw a blank axis. Crazy is defined as t>1E150 years.
Kst-plot · Jun 12, 2016 · dc74268 · dc74268
1 parent aed7a9c
commit dc74268
Showing 1 changed file with 10 additions and 1 deletion.
diff --git a/src/libkstapp/plotaxis.cpp b/src/libkstapp/plotaxis.cpp
@@ -825,7 +825,16 @@ void PlotAxis::updateInterpretTicks(MajorTickMode tickMode) {
   double minimum_units = tickMode;
 
   // find base_jd, range_u, units
-  if (range_jd > minimum_units*365.0) {
+  double valid = true;
+  if (range_jd > minimum_units*365.0*1.0e150) {
+    _ticksUpdated = true;
+    _axisLabels.clear();
+    _axisMinorTicks.clear();
+    _axisMajorTicks.clear();
+    _baseLabel.clear();
+    return;
+
+  } else if (range_jd > minimum_units*365.0) {
     // use years
     range_u = range_jd/365.25;
     units = tr(" [Years]");