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Allow user to specify max number of iterations (bug #479).

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This commit is contained in:
Jitse Niesen
2012-07-24 15:17:59 +01:00
parent b7ac053b9c
commit ba5eecae53
8 changed files with 178 additions and 27 deletions
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12
test/eigensolver_generic.cpp
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@@ -2,7 +2,7 @@
// for linear algebra.
//
// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
// Copyright (C) 2010 Jitse Niesen <jitse@maths.leeds.ac.uk>
// Copyright (C) 2010,2012 Jitse Niesen <jitse@maths.leeds.ac.uk>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
@@ -45,6 +45,16 @@ template<typename MatrixType> void eigensolver(const MatrixType& m)
VERIFY_IS_APPROX(ei1.eigenvectors().colwise().norm(), RealVectorType::Ones(rows).transpose());
VERIFY_IS_APPROX(a.eigenvalues(), ei1.eigenvalues());
EigenSolver<MatrixType> ei2;
ei2.compute(a, true, RealSchur<MatrixType>::m_maxIterations * rows);
VERIFY_IS_EQUAL(ei2.info(), Success);
VERIFY_IS_EQUAL(ei2.eigenvectors(), ei1.eigenvectors());
VERIFY_IS_EQUAL(ei2.eigenvalues(), ei1.eigenvalues());
if (rows > 2) {
ei2.compute(a, true, 1);
VERIFY_IS_EQUAL(ei2.info(), NoConvergence);
}
EigenSolver<MatrixType> eiNoEivecs(a, false);
VERIFY_IS_EQUAL(eiNoEivecs.info(), Success);
VERIFY_IS_APPROX(ei1.eigenvalues(), eiNoEivecs.eigenvalues());