Update Algorithms.cs

Bug fix: missed square root in eccentricity calculation
ucnl · May 12, 2022 · 011d20d · 011d20d
1 parent fb540fd
commit 011d20d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/CSharp/UCNLNav/Algorithms.cs b/CSharp/UCNLNav/Algorithms.cs
@@ -20,8 +20,8 @@ public Ellipsoid(double mjsa, double inverseFlattening)
 
             Flattening = 1 / inverseFlattening;
             MinorSemiAxis_m = MajorSemiAxis_m * (1 - Flattening);
-            Eccentricity = ((MajorSemiAxis_m * MajorSemiAxis_m) - (MinorSemiAxis_m * MinorSemiAxis_m)) / (MajorSemiAxis_m * MajorSemiAxis_m);
-            EccentricitySq = Eccentricity * Eccentricity;
+            EccentricitySq = ((MajorSemiAxis_m * MajorSemiAxis_m) - (MinorSemiAxis_m * MinorSemiAxis_m)) / (MajorSemiAxis_m * MajorSemiAxis_m);
+            Eccentricity = Math.Sqrt(EccentricitySq);
         }
     }