Fix #189

kevinzhow
Commit 6409e6dc4aa15f753ff8fdf7b88a7542abc894d0 6409e6dc 1 parent 8891ac7e
Showing 1 changed file with 1 additions and 1 deletions
PNChart/PNLineChart.m
--- a/PNChart/PNLineChart.m
View file @6409e6d
+++ b/PNChart/PNLineChart.m
View file @6409e6d
@@ -394,7 +394,7 @@
             if (!(_yValueMax - _yValueMin)) {
                 innerGrade = 0.5;
             } else {
-                innerGrade = (yValue - _yValueMin) / (_yValueMax - _yValueMin);
+                innerGrade = (yValue - _yValueMin) / (_yValueMax - _yValueMin) == 0 ? 0.5 : (yValue - _yValueMin) / (_yValueMax - _yValueMin);
             }
             CGFloat offSetX = (_chartCavanWidth) / (chartData.itemCount);