initial commit

third_party/eigen/failtest/sparse_ref_1.cpp

@@ -0,0 +1,17 @@
+#include "../Eigen/Sparse"
+
+#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
+#define CV_QUALIFIER const
+#else
+#define CV_QUALIFIER
+#endif
+
+using namespace Eigen;
+
+void call_ref(Ref<SparseMatrix<float> > a) {}
+
+int main() {
+  SparseMatrix<float> a(10, 10);
+  CV_QUALIFIER SparseMatrix<float>& ac(a);
+  call_ref(ac);
+}