Index: Core/Common/src/Core.Common.Base/Geometry/Math2D.cs
===================================================================
diff -u -r0d074a8cde296e634118f726e600a2d1e7870b2a -r2644c4d5f25dd42ab6135295bb78e18b6f2ab7e7
--- Core/Common/src/Core.Common.Base/Geometry/Math2D.cs	(.../Math2D.cs)	(revision 0d074a8cde296e634118f726e600a2d1e7870b2a)
+++ Core/Common/src/Core.Common.Base/Geometry/Math2D.cs	(.../Math2D.cs)	(revision 2644c4d5f25dd42ab6135295bb78e18b6f2ab7e7)
@@ -393,7 +393,7 @@
         {
             double t0, t1;
             Vector<double> w2 = segment1.SecondPoint - segment2.FirstPoint;
-            if (v[0] != 0.0)
+            if (Math.Abs(v[0]) > double.Epsilon)
             {
                 t0 = w[0] / v[0];
                 t1 = w2[0] / v[0];