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Bypass identity reflectors.

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This commit is contained in:
Gael Guennebaud 2016-09-22 22:07:13 +02:00
parent 8bde7da086
commit ca3746c6f8
1 changed files with 2 additions and 2 deletions
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4
Eigen/src/Householder/Householder.h
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@ -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);