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| author |  Gael Guennebaud <g.gael@free.fr> | 2018-06-08 10:14:57 +0200 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2018-06-08 10:14:57 +0200 |
| commit | f05dea6b2326836e5e0243fbaffbece84b833d64 (patch) | |
| tree | 000de5f16b650b8a7571bdaaf0d670e688431ddf /Eigen | |
| parent | 7933267c671c4166ca0f537a522168e398b94238 (diff) | |
bug #1550: prevent avoidable memory allocation in RealSchur
Diffstat (limited to 'Eigen')
| -rw-r--r-- | Eigen/src/Eigenvalues/RealSchur.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Eigen/src/Eigenvalues/RealSchur.h b/Eigen/src/Eigenvalues/RealSchur.h index b72799e5b..4c53344bb 100644 --- a/Eigen/src/Eigenvalues/RealSchur.h +++ b/Eigen/src/Eigenvalues/RealSchur.h @@ -284,13 +284,13 @@ RealSchur<MatrixType>& RealSchur<MatrixType>::computeFromHessenberg(const HessMa using std::abs; m_matT = matrixH; + m_workspaceVector.resize(m_matT.cols()); if(computeU) - m_matU = matrixQ; + matrixQ.evalTo(m_matU, m_workspaceVector); Index maxIters = m_maxIters; if (maxIters == -1) maxIters = m_maxIterationsPerRow * matrixH.rows(); - m_workspaceVector.resize(m_matT.cols()); Scalar* workspace = &m_workspaceVector.coeffRef(0); // The matrix m_matT is divided in three parts. |