diff options
| author |  Jitse Niesen <jitse@maths.leeds.ac.uk> | 2010-05-30 21:49:35 +0100 |
|---|---|---|
| committer | Jitse Niesen <jitse@maths.leeds.ac.uk> | 2010-05-30 21:49:35 +0100 |
| commit | db8631b66a4f5cb9957a58cc629be5ef438e3059 (patch) | |
| tree | 50a3ef1425a13e183f42ae36dd34087899e06460 /test/eigensolver_selfadjoint.cpp | |
| parent | 6ce22a61b3a2560a5464b368bee64555645da59f (diff) | |
Guard with assert against using decomposition objects uninitialized.
Diffstat (limited to 'test/eigensolver_selfadjoint.cpp')
| -rw-r--r-- | test/eigensolver_selfadjoint.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/eigensolver_selfadjoint.cpp b/test/eigensolver_selfadjoint.cpp index 25ef280a1..3ff84c4e0 100644 --- a/test/eigensolver_selfadjoint.cpp +++ b/test/eigensolver_selfadjoint.cpp @@ -105,6 +105,9 @@ template<typename MatrixType> void selfadjointeigensolver(const MatrixType& m) eiSymm.eigenvectors() * eiSymm.eigenvalues().asDiagonal(), largerEps)); VERIFY_IS_APPROX(symmA.template selfadjointView<Lower>().eigenvalues(), eiSymm.eigenvalues()); + SelfAdjointEigenSolver<MatrixType> eiSymmNoEivecs(symmA, false); + VERIFY_IS_APPROX(eiSymm.eigenvalues(), eiSymmNoEivecs.eigenvalues()); + // generalized eigen problem Ax = lBx VERIFY((symmA * eiSymmGen.eigenvectors()).isApprox( symmB * (eiSymmGen.eigenvectors() * eiSymmGen.eigenvalues().asDiagonal()), largerEps)); @@ -115,6 +118,17 @@ template<typename MatrixType> void selfadjointeigensolver(const MatrixType& m) MatrixType id = MatrixType::Identity(rows, cols); VERIFY_IS_APPROX(id.template selfadjointView<Lower>().operatorNorm(), RealScalar(1)); + + SelfAdjointEigenSolver<MatrixType> eiSymmUninitialized; + VERIFY_RAISES_ASSERT(eiSymmUninitialized.eigenvalues()); + VERIFY_RAISES_ASSERT(eiSymmUninitialized.eigenvectors()); + VERIFY_RAISES_ASSERT(eiSymmUninitialized.operatorSqrt()); + VERIFY_RAISES_ASSERT(eiSymmUninitialized.operatorInverseSqrt()); + + eiSymmUninitialized.compute(symmA, false); + VERIFY_RAISES_ASSERT(eiSymmUninitialized.eigenvectors()); + VERIFY_RAISES_ASSERT(eiSymmUninitialized.operatorSqrt()); + VERIFY_RAISES_ASSERT(eiSymmUninitialized.operatorInverseSqrt()); } void test_eigensolver_selfadjoint() |