[ios] Check for NaN when calculating scale bar width

2017-05-06 16:28:50 -04:00
parent 5693befa78
commit d99ebea930
1 changed files with 2 additions and 1 deletions
--- a/platform/ios/src/MGLScaleBar.mm
+++ b/platform/ios/src/MGLScaleBar.mm
@@ -161,7 +161,8 @@ static const CGFloat MGLFeetPerMeter = 3.28084;
 }

 - (CGFloat)actualWidth {
-    return self.row.distance / [self unitsPerPoint];
+    CGFloat width = self.row.distance / [self unitsPerPoint];
+    return !isnan(width) ? width : 0;
 }

 - (CGFloat)maximumWidth {