Avoid race condition for interval/intervalMagnitude

ChartsOrg/Charts#2377
danielgindi · Jan 22, 2020 · 3f54750 · 3f54750
1 parent 2e725e4
commit 3f54750
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Showing 2 changed files with 11 additions and 6 deletions.
diff --git a/MPChartLib/src/main/java/com/github/mikephil/charting/renderer/AxisRenderer.java b/MPChartLib/src/main/java/com/github/mikephil/charting/renderer/AxisRenderer.java
@@ -174,9 +174,12 @@ protected void computeAxisValues(float min, float max) {
         double intervalMagnitude = Utils.roundToNextSignificant(Math.pow(10, (int) Math.log10(interval)));
         int intervalSigDigit = (int) (interval / intervalMagnitude);
         if (intervalSigDigit > 5) {
-            // Use one order of magnitude higher, to avoid intervals like 0.9 or
-            // 90
-            interval = Math.floor(10 * intervalMagnitude);
+            // Use one order of magnitude higher, to avoid intervals like 0.9 or 90
+            // if it's 0.0 after floor(), we use the old value
+            interval = Math.floor(10.0 * intervalMagnitude) == 0.0
+                    ? interval
+                    : Math.floor(10.0 * intervalMagnitude);
+
         }
 
         int n = mAxis.isCenterAxisLabelsEnabled() ? 1 : 0;

diff --git a/MPChartLib/src/main/java/com/github/mikephil/charting/renderer/YAxisRendererRadarChart.java b/MPChartLib/src/main/java/com/github/mikephil/charting/renderer/YAxisRendererRadarChart.java
@@ -52,9 +52,11 @@ protected void computeAxisValues(float min, float max) {
         double intervalMagnitude = Utils.roundToNextSignificant(Math.pow(10, (int) Math.log10(interval)));
         int intervalSigDigit = (int) (interval / intervalMagnitude);
         if (intervalSigDigit > 5) {
-            // Use one order of magnitude higher, to avoid intervals like 0.9 or
-            // 90
-            interval = Math.floor(10 * intervalMagnitude);
+            // Use one order of magnitude higher, to avoid intervals like 0.9 or 90
+            // if it's 0.0 after floor(), we use the old value
+            interval = Math.floor(10.0 * intervalMagnitude) == 0.0
+                    ? interval
+                    : Math.floor(10.0 * intervalMagnitude);
         }
 
         boolean centeringEnabled = mAxis.isCenterAxisLabelsEnabled();