Take care of edge cases when calculating intervals (labelCount == 0)

liuxuan30 · Aug 15, 2016 · d7769e6 · d7769e6
1 parent 3b459cc
commit d7769e6
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Showing 2 changed files with 10 additions and 2 deletions.
diff --git a/Charts/Classes/Renderers/AxisRendererBase.swift b/Charts/Classes/Renderers/AxisRendererBase.swift
@@ -110,7 +110,11 @@ public class AxisRendererBase: Renderer
         }
 
         // Find out how much spacing (in y value space) between axis values
-        let rawInterval = range / Double(labelCount)
+        var rawInterval = range / Double(labelCount)
+        if isinf(rawInterval)
+        {
+            rawInterval = range > 0.0 && !isinf(range) ? range : 1.0
+        }
         var interval = ChartUtils.roundToNextSignificant(number: Double(rawInterval))
 
         // If granularity is enabled, then do not allow the interval to go below specified granularity.

diff --git a/Charts/Classes/Renderers/YAxisRendererRadarChart.swift b/Charts/Classes/Renderers/YAxisRendererRadarChart.swift
@@ -43,7 +43,11 @@ public class YAxisRendererRadarChart: YAxisRenderer
         }
 
         // Find out how much spacing (in yValue space) between axis values
-        let rawInterval = range / Double(labelCount)
+        var rawInterval = range / Double(labelCount)
+        if isinf(rawInterval)
+        {
+            rawInterval = range > 0.0 && !isinf(range) ? range : 1.0
+        }
         var interval = ChartUtils.roundToNextSignificant(number: Double(rawInterval))
 
         // If granularity is enabled, then do not allow the interval to go below specified granularity.