message: Minor change to account for degenerate triangles
diff: @@ -371,8 +371,9 @@ AXOM_HOST_DEVICE inline double Triangle<T, NDIMS>::angle(int idx) const
  const PointType& pt = m_points[idx];
  VectorType V1(pt, m_points[idx1]);
  VectorType V2(pt, m_points[idx2]);
  - V1 /= V1.norm();
  - V2 /= V2.norm();
  +
  + V1 = V1.unitVector();
  + V2 = V2.unitVector();
  double dotprod = VectorType::dot_product(V1, V2);
  return (acos(dotprod));
  