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Fix SelfAdjointEigenSolver for some input expression types, and add new regression unit tests for sparse and selfadjointview inputs.

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This commit is contained in:
Gael Guennebaud 2016-05-19 13:07:33 +02:00
parent 6a2916df80
commit df9a5e13c6
2 changed files with 28 additions and 3 deletions
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2
Eigen/src/Eigenvalues/SelfAdjointEigenSolver.h
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@ -414,7 +414,7 @@ SelfAdjointEigenSolver<MatrixType>& SelfAdjointEigenSolver<MatrixType>
if(n==1)
{
m_eivalues.coeffRef(0,0) = numext::real(matrix.coeff(0,0));
m_eivalues.coeffRef(0,0) = numext::real(matrix.diagonal()[0]);
if(computeEigenvectors)
m_eivec.setOnes(n,n);
m_info = Success;

29
test/eigensolver_selfadjoint.cpp
View File

@ -12,6 +12,7 @@
#include "svd_fill.h"
#include <limits>
#include <Eigen/Eigenvalues>
#include <Eigen/SparseCore>
template<typename MatrixType> void selfadjointeigensolver_essential_check(const MatrixType& m)
@ -164,6 +165,7 @@ template<typename MatrixType> void selfadjointeigensolver(const MatrixType& m)
}
}
template<int>
void bug_854()
{
Matrix3d m;
@ -173,6 +175,7 @@ void bug_854()
selfadjointeigensolver_essential_check(m);
}
template<int>
void bug_1014()
{
Matrix3d m;
@ -182,6 +185,26 @@ void bug_1014()
selfadjointeigensolver_essential_check(m);
}
template<int>
void bug_1225()
{
Matrix3d m1, m2;
m1.setRandom();
m1 = m1*m1.transpose();
m2 = m1.triangularView<Upper>();
SelfAdjointEigenSolver<Matrix3d> eig1(m1);
SelfAdjointEigenSolver<Matrix3d> eig2(m2.selfadjointView<Upper>());
VERIFY_IS_APPROX(eig1.eigenvalues(), eig2.eigenvalues());
}
template<int>
void bug_1204()
{
SparseMatrix<double> A(2,2);
A.setIdentity();
SelfAdjointEigenSolver<Eigen::SparseMatrix<double> > eig(A);
}
void test_eigensolver_selfadjoint()
{
int s = 0;
@ -210,8 +233,10 @@ void test_eigensolver_selfadjoint()
CALL_SUBTEST_7( selfadjointeigensolver(Matrix<double,2,2>()) );
}
CALL_SUBTEST_13( bug_854() );
CALL_SUBTEST_13( bug_1014() );
CALL_SUBTEST_13( bug_854<0>() );
CALL_SUBTEST_13( bug_1014<0>() );
CALL_SUBTEST_13( bug_1204<0>() );
CALL_SUBTEST_13( bug_1225<0>() );
// Test problem size constructors
s = internal::random<int>(1,EIGEN_TEST_MAX_SIZE/4);