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-rw-r--r--Eigen/src/Householder/HouseholderSequence.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/Eigen/src/Householder/HouseholderSequence.h b/Eigen/src/Householder/HouseholderSequence.h
index 74cd0a472..3f5f9293b 100644
--- a/Eigen/src/Householder/HouseholderSequence.h
+++ b/Eigen/src/Householder/HouseholderSequence.h
@@ -243,8 +243,9 @@ template<typename VectorsType, typename CoeffsType, int Side> class HouseholderS
{
workspace.resize(rows());
Index vecs = m_length;
+ const typename Dest::Scalar *dst_data = internal::extract_data(dst);
if( internal::is_same<typename internal::remove_all<VectorsType>::type,Dest>::value
- && internal::extract_data(dst) == internal::extract_data(m_vectors))
+ && dst_data!=0 && dst_data == internal::extract_data(m_vectors))
{
// in-place
dst.diagonal().setOnes();