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| author |  Jitse Niesen <jitse@maths.leeds.ac.uk> | 2010-05-24 17:43:50 +0100 |
|---|---|---|
| committer | Jitse Niesen <jitse@maths.leeds.ac.uk> | 2010-05-24 17:43:50 +0100 |
| commit | e7d809d4349fd4048777be71f1c803d0b13f8fe8 (patch) | |
| tree | 11c1ef9908d0756958fde6c29de7f1f16d5dc639 /test/eigensolver_selfadjoint.cpp | |
| parent | 8a3f552e39d3fee3ada1cfc1eb75b179c77f2a78 (diff) | |
Update eigenvalues() and operatorNorm() methods in MatrixBase.
* use SelfAdjointView instead of Eigen2's SelfAdjoint flag.
* add tests and documentation.
* allow eigenvalues() for non-selfadjoint matrices.
* they no longer depend only on SelfAdjointEigenSolver, so move them to
a separate file
Diffstat (limited to 'test/eigensolver_selfadjoint.cpp')
| -rw-r--r-- | test/eigensolver_selfadjoint.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/test/eigensolver_selfadjoint.cpp b/test/eigensolver_selfadjoint.cpp index 70b3e6791..25ef280a1 100644 --- a/test/eigensolver_selfadjoint.cpp +++ b/test/eigensolver_selfadjoint.cpp @@ -103,6 +103,7 @@ template<typename MatrixType> void selfadjointeigensolver(const MatrixType& m) VERIFY((symmA * eiSymm.eigenvectors()).isApprox( eiSymm.eigenvectors() * eiSymm.eigenvalues().asDiagonal(), largerEps)); + VERIFY_IS_APPROX(symmA.template selfadjointView<Lower>().eigenvalues(), eiSymm.eigenvalues()); // generalized eigen problem Ax = lBx VERIFY((symmA * eiSymmGen.eigenvectors()).isApprox( @@ -111,6 +112,9 @@ template<typename MatrixType> void selfadjointeigensolver(const MatrixType& m) MatrixType sqrtSymmA = eiSymm.operatorSqrt(); VERIFY_IS_APPROX(symmA, sqrtSymmA*sqrtSymmA); VERIFY_IS_APPROX(sqrtSymmA, symmA*eiSymm.operatorInverseSqrt()); + + MatrixType id = MatrixType::Identity(rows, cols); + VERIFY_IS_APPROX(id.template selfadjointView<Lower>().operatorNorm(), RealScalar(1)); } void test_eigensolver_selfadjoint() |