improve coverage of unitOrthogonal

1 files changed, 3 insertions, 3 deletions

diff --git a/test/geo_orthomethods.cpp b/test/geo_orthomethods.cpp
index 5e1d5bdb4..540a63b82 100644
--- a/test/geo_orthomethods.cpp
+++ b/test/geo_orthomethods.cpp
@@ -86,10 +86,10 @@ template<typename Scalar, int Size> void orthomethods(int size=Size)
   VERIFY_IS_MUCH_SMALLER_THAN(v0.unitOrthogonal().dot(v0), Scalar(1));
   VERIFY_IS_APPROX(v0.unitOrthogonal().norm(), RealScalar(1));
 
-  if (size>3)
+  if (size>=3)
   {
-    v0.template start<3>().setZero();
-    v0.end(size-3).setRandom();
+    v0.template start<2>().setZero();
+    v0.end(size-2).setRandom();
 
     VERIFY_IS_MUCH_SMALLER_THAN(v0.unitOrthogonal().dot(v0), Scalar(1));
     VERIFY_IS_APPROX(v0.unitOrthogonal().norm(), RealScalar(1));