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-rw-r--r--Eigen/src/Householder/Householder.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/Eigen/src/Householder/Householder.h b/Eigen/src/Householder/Householder.h
index 4c1f499a1..80de2c305 100644
--- a/Eigen/src/Householder/Householder.h
+++ b/Eigen/src/Householder/Householder.h
@@ -119,7 +119,7 @@ void MatrixBase<Derived>::applyHouseholderOnTheLeft(
{
*this *= Scalar(1)-tau;
}
- else
+ else if(tau!=Scalar(0))
{
Map<typename internal::plain_row_type<PlainObject>::type> tmp(workspace,cols());
Block<Derived, EssentialPart::SizeAtCompileTime, Derived::ColsAtCompileTime> bottom(derived(), 1, 0, rows()-1, cols());
@@ -156,7 +156,7 @@ void MatrixBase<Derived>::applyHouseholderOnTheRight(
{
*this *= Scalar(1)-tau;
}
- else
+ else if(tau!=Scalar(0))
{
Map<typename internal::plain_col_type<PlainObject>::type> tmp(workspace,rows());
Block<Derived, Derived::RowsAtCompileTime, EssentialPart::SizeAtCompileTime> right(derived(), 0, 1, rows(), cols()-1);