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Fix null pointer dereference in Sparse-Dense products for Sparse vectors.

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libeigen/eigen!2256
This commit is contained in:
Antonio Sánchez
2026-03-06 18:50:28 +00:00
committed by Rasmus Munk Larsen
parent d8c8ee6fb2
commit 5bacb5be9a
2 changed files with 36 additions and 14 deletions
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12
test/sparse_product.cpp
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@@ -540,8 +540,20 @@ void test_mixed_storage() {
test_mixed_storage_imp<ColMajor, ColMajor, ColMajor>();
}
void test_sparse_vector_dense_product() {
SparseVector<double> sv(3);
sv.insert(0) = 1.0;
sv.insert(2) = 2.0;
MatrixXd dm = MatrixXd::Random(3, 2);
MatrixXd res = sv.transpose() * dm;
MatrixXd ref = MatrixXd(sv).transpose() * dm;
VERIFY_IS_APPROX(res, ref);
}
EIGEN_DECLARE_TEST(sparse_product) {
for (int i = 0; i < g_repeat; i++) {
CALL_SUBTEST_1((test_sparse_vector_dense_product()));
CALL_SUBTEST_1((sparse_product<SparseMatrix<double, ColMajor> >()));
CALL_SUBTEST_1((sparse_product<SparseMatrix<double, RowMajor> >()));
CALL_SUBTEST_1((bug_942<double>()));