Merge pull request #3265 from carlo-/master

Min and Max reset when clearing ChartDataSet (Fixes #3260)
ChartsOrg · Feb 22, 2018 · 8a0c223 · 8a0c223
2 parents ae43f31 + eb2518a
commit 8a0c223
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/Source/Charts/Data/Implementations/Standard/ChartDataSet.swift b/Source/Charts/Data/Implementations/Standard/ChartDataSet.swift
@@ -86,22 +86,22 @@ open class ChartDataSet: ChartBaseDataSet
 
     open override func calcMinMax()
     {
-        guard !values.isEmpty else { return }
-
         _yMax = -Double.greatestFiniteMagnitude
         _yMin = Double.greatestFiniteMagnitude
         _xMax = -Double.greatestFiniteMagnitude
         _xMin = Double.greatestFiniteMagnitude
 
+        guard !values.isEmpty else { return }
+
         values.forEach { calcMinMax(entry: $0) }
     }
 
     open override func calcMinMaxY(fromX: Double, toX: Double)
     {
-        guard !values.isEmpty else { return }
-
         _yMax = -Double.greatestFiniteMagnitude
         _yMin = Double.greatestFiniteMagnitude
+
+        guard !values.isEmpty else { return }
 
         let indexFrom = entryIndex(x: fromX, closestToY: Double.nan, rounding: .down)
         let indexTo = entryIndex(x: toX, closestToY: Double.nan, rounding: .up)