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| author |  Jitse Niesen <jitse@maths.leeds.ac.uk> | 2010-05-24 17:43:27 +0100 |
|---|---|---|
| committer | Jitse Niesen <jitse@maths.leeds.ac.uk> | 2010-05-24 17:43:27 +0100 |
| commit | 8a3f552e39d3fee3ada1cfc1eb75b179c77f2a78 (patch) | |
| tree | 8800578d90c409f8b11bb48779a7dfc4931b21e7 /Eigen/src/Eigenvalues/EigenSolver.h | |
| parent | 7a43a4408bd3a04616bb91f9d039bdaf0ff976dd (diff) | |
Return matrices by constant reference where possible.
This changes the return type of:
* eigenvectors() and eigenvalues() in ComplexEigenSolver
* eigenvalues() in EigenSolver
* eigenvectors() and eigenvalues() in SelfAdjointEigenSolver
Diffstat (limited to 'Eigen/src/Eigenvalues/EigenSolver.h')
| -rw-r--r-- | Eigen/src/Eigenvalues/EigenSolver.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Eigen/src/Eigenvalues/EigenSolver.h b/Eigen/src/Eigenvalues/EigenSolver.h index 7713e04b9..b619dc2eb 100644 --- a/Eigen/src/Eigenvalues/EigenSolver.h +++ b/Eigen/src/Eigenvalues/EigenSolver.h @@ -223,7 +223,7 @@ template<typename _MatrixType> class EigenSolver /** \brief Returns the eigenvalues of given matrix. * - * \returns Column vector containing the eigenvalues. + * \returns A const reference to the column vector containing the eigenvalues. * * \pre Either the constructor EigenSolver(const MatrixType&) or the * member function compute(const MatrixType&) has been called before. @@ -237,7 +237,7 @@ template<typename _MatrixType> class EigenSolver * \sa eigenvectors(), pseudoEigenvalueMatrix(), * MatrixBase::eigenvalues() */ - EigenvalueType eigenvalues() const + const EigenvalueType& eigenvalues() const { ei_assert(m_isInitialized && "EigenSolver is not initialized."); return m_eivalues; |