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-rw-r--r--Eigen/src/SparseCore/SparseBlock.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/Eigen/src/SparseCore/SparseBlock.h b/Eigen/src/SparseCore/SparseBlock.h
index cbcd7a299..491cc72b0 100644
--- a/Eigen/src/SparseCore/SparseBlock.h
+++ b/Eigen/src/SparseCore/SparseBlock.h
@@ -523,6 +523,7 @@ namespace internal {
while(m_outerPos<m_end)
{
m_outerPos++;
+ if(m_outerPos==m_end) break;
typename XprType::InnerIterator it(m_block.m_matrix, m_outerPos);
// search for the key m_innerIndex in the current outer-vector
while(it && it.index() < m_innerIndex) ++it;