1 #include "../Eigen/Core"
2 
3 #ifdef EIGEN_SHOULD_FAIL_TO_BUILD
4 #define CV_QUALIFIER const
5 #else
6 #define CV_QUALIFIER
7 #endif
8 
9 using namespace Eigen;
10 
call_ref(Ref<VectorXf> a)11 void call_ref(Ref<VectorXf> a) { }
12 
main()13 int main()
14 {
15   VectorXf a(10);
16   CV_QUALIFIER VectorXf& ac(a);
17   call_ref(ac);
18 }
19