major optimization updates

[debian/openrocket] / src / net / sf / openrocket / rocketcomponent / FinSet.java

diff --git a/src/net/sf/openrocket/rocketcomponent/FinSet.java b/src/net/sf/openrocket/rocketcomponent/FinSet.java
index d628478a763bba342620e2b9d133ad18d6bd7b23..5e40810b4749fc1268648d7d9da484a049c7e3b1 100644 (file)
--- a/src/net/sf/openrocket/rocketcomponent/FinSet.java
+++ b/src/net/sf/openrocket/rocketcomponent/FinSet.java
@@ -513,7 +513,7 @@ public abstract class FinSet extends ExternalComponent {
                
                double radius = getBodyRadius();
                
-               return fins * (inertia + MathUtil.pow2(Math.sqrt(h2) + radius));
+               return fins * (inertia + MathUtil.pow2(MathUtil.safeSqrt(h2) + radius));
        }
        
        
@@ -538,9 +538,9 @@ public abstract class FinSet extends ExternalComponent {
                double h = getSpan();
                
                if (MathUtil.equals(w * h, 0)) {
-                       h = Math.sqrt(area);
+                       h = MathUtil.safeSqrt(area);
                } else {
-                       h = Math.sqrt(h * area / w);
+                       h = MathUtil.safeSqrt(h * area / w);
                }
                
                if (fins == 1)