#include "../Eigen/Sparse" using namespace Eigen; void call_ref(Ref<SparseMatrix<float> > a) { } int main(){ SparseMatrix<float> a(10,10); SparseMatrixBase<SparseMatrix<float> > &ac(a);#ifdef EIGEN_SHOULD_FAIL_TO_BUILD call_ref(ac);#else call_ref(ac.derived());#endif }
#include "../Eigen/Sparse"
using namespace Eigen;
void call_ref(Ref<SparseMatrix<float> > a) { }
int main()
{
SparseMatrix<float> a(10,10);
SparseMatrixBase<SparseMatrix<float> > &ac(a);
#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
call_ref(ac);
#else
call_ref(ac.derived());
#endif
}