1*bf2c3715SXin Li #include "../Eigen/Sparse" 2*bf2c3715SXin Li 3*bf2c3715SXin Li using namespace Eigen; 4*bf2c3715SXin Li call_ref(Ref<SparseMatrix<float>> a)5*bf2c3715SXin Livoid call_ref(Ref<SparseMatrix<float> > a) {} 6*bf2c3715SXin Li main()7*bf2c3715SXin Liint main() 8*bf2c3715SXin Li { 9*bf2c3715SXin Li SparseMatrix<float> A(10,10); 10*bf2c3715SXin Li #ifdef EIGEN_SHOULD_FAIL_TO_BUILD 11*bf2c3715SXin Li call_ref(A.transpose()); 12*bf2c3715SXin Li #else 13*bf2c3715SXin Li call_ref(A); 14*bf2c3715SXin Li #endif 15*bf2c3715SXin Li } 16