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Tridiagonalization::diagonal() and ::subDiagonal() did not work. Added unit-test

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This commit is contained in:
Christoph Hertzberg
2014-09-24 14:37:13 +02:00
parent 446001ef51
commit 27d6b4daf9
2 changed files with 14 additions and 8 deletions
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11
Eigen/src/Eigenvalues/Tridiagonalization.h
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@@ -91,10 +91,8 @@ template<typename _MatrixType> class Tridiagonalization
>::type DiagonalReturnType;
typedef typename internal::conditional<NumTraits<Scalar>::IsComplex,
typename internal::add_const_on_value_type<typename Diagonal<
Block<const MatrixType,SizeMinusOne,SizeMinusOne> >::RealReturnType>::type,
const Diagonal<
Block<const MatrixType,SizeMinusOne,SizeMinusOne> >
typename internal::add_const_on_value_type<typename Diagonal<const MatrixType, -1>::RealReturnType>::type,
const Diagonal<const MatrixType, -1>
>::type SubDiagonalReturnType;
/** \brief Return type of matrixQ() */
@@ -307,7 +305,7 @@ typename Tridiagonalization<MatrixType>::DiagonalReturnType
Tridiagonalization<MatrixType>::diagonal() const
{
eigen_assert(m_isInitialized && "Tridiagonalization is not initialized.");
return m_matrix.diagonal();
return m_matrix.diagonal().real();
}
template<typename MatrixType>
@@ -315,8 +313,7 @@ typename Tridiagonalization<MatrixType>::SubDiagonalReturnType
Tridiagonalization<MatrixType>::subDiagonal() const
{
eigen_assert(m_isInitialized && "Tridiagonalization is not initialized.");
Index n = m_matrix.rows();
return Block<const MatrixType,SizeMinusOne,SizeMinusOne>(m_matrix, 1, 0, n-1,n-1).diagonal();
return m_matrix.template diagonal<-1>().real();
}
namespace internal {