Merge pull request #68 from oberbichler/fix/check

Fix check for principle curvature parallel to base vectors
oberbichler · Apr 1, 2021 · b90d21f · b90d21f
2 parents 57ff8d1 + 3a77225
commit b90d21f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Bowerbird/Curvature/PrincipalCurvature.cs b/Bowerbird/Curvature/PrincipalCurvature.cs
@@ -39,7 +39,7 @@ public bool Compute(Surface surface, double u, double v)
                 K22 = (G11 * H22 - G12 * H12) / det;
             }
 
-            if (K12 * K21 < 1e-10)
+            if (Abs(K12 * K21) < 1e-10)
             {
                 K1 = K11;
                 K2 = K22;