bug #1005: fix regression regarding sparse coeff-wise binary operator that did not trigger a static assertion for mismatched storage

1 files changed, 16 insertions, 0 deletions

diff --git a/failtest/sparse_storage_mismatch.cpp b/failtest/sparse_storage_mismatch.cpp
new file mode 100644
index 000000000..51840d416
--- /dev/null
+++ b/failtest/sparse_storage_mismatch.cpp
@@ -0,0 +1,16 @@
+#include "../Eigen/Sparse"
+using namespace Eigen;
+
+typedef SparseMatrix<double,ColMajor> Mat1;
+#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
+typedef SparseMatrix<double,RowMajor> Mat2;
+#else
+typedef SparseMatrix<double,ColMajor> Mat2;
+#endif
+
+int main()
+{
+  Mat1 a(10,10);
+  Mat2 b(10,10);
+  a += b;
+}