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path: root/grapher/Models/Calculations/AccelChartData.cs
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Diffstat (limited to 'grapher/Models/Calculations/AccelChartData.cs')
-rw-r--r--grapher/Models/Calculations/AccelChartData.cs3
1 files changed, 3 insertions, 0 deletions
diff --git a/grapher/Models/Calculations/AccelChartData.cs b/grapher/Models/Calculations/AccelChartData.cs
index 60d4c89..48374c1 100644
--- a/grapher/Models/Calculations/AccelChartData.cs
+++ b/grapher/Models/Calculations/AccelChartData.cs
@@ -1,5 +1,6 @@
using System;
using System.Collections.Generic;
+using System.Diagnostics;
using System.Linq;
namespace grapher.Models.Calculations
@@ -80,6 +81,8 @@ namespace grapher.Models.Calculations
public int GetVelocityIndex(double outVelocityValue)
{
+ Debug.Assert(outVelocityValue >= 0);
+
var log = Math.Log10(outVelocityValue);
if (log < -2)
{