devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

fix HouseholderSequence API, bug #50:

Browse Source 
* remove ctors taking more than 2 ints
 * rename actualVectors to length
 * add length/shift/trans accessors/mutators
This commit is contained in:
Benoit Jacob
2010-12-30 04:18:40 -05:00
parent e112ad8124
commit dbd9c5fd50
6 changed files with 78 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
Eigen/src/Eigenvalues/HessenbergDecomposition.h
View File

@@ -245,7 +245,9 @@ template<typename _MatrixType> class HessenbergDecomposition
HouseholderSequenceType matrixQ() const
{
eigen_assert(m_isInitialized && "HessenbergDecomposition is not initialized.");
return HouseholderSequenceType(m_matrix, m_hCoeffs.conjugate(), false, m_matrix.rows() - 1, 1);
return HouseholderSequenceType(m_matrix, m_hCoeffs.conjugate())
.setLength(m_matrix.rows() - 1)
.setShift(1);
}
/** \brief Constructs the Hessenberg matrix H in the decomposition

8
Eigen/src/Eigenvalues/Tridiagonalization.h
View File

@@ -251,7 +251,9 @@ template<typename _MatrixType> class Tridiagonalization
HouseholderSequenceType matrixQ() const
{
eigen_assert(m_isInitialized && "Tridiagonalization is not initialized.");
return HouseholderSequenceType(m_matrix, m_hCoeffs.conjugate(), false, m_matrix.rows() - 1, 1);
return HouseholderSequenceType(m_matrix, m_hCoeffs.conjugate())
.setLength(m_matrix.rows() - 1)
.setShift(1);
}
/** \brief Returns an expression of the tridiagonal matrix T in the decomposition
@@ -459,7 +461,9 @@ struct tridiagonalization_inplace_selector
diag = mat.diagonal().real();
subdiag = mat.template diagonal<-1>().real();
if(extractQ)
mat = HouseholderSequenceType(mat, hCoeffs.conjugate(), false, mat.rows() - 1, 1);
mat = HouseholderSequenceType(mat, hCoeffs.conjugate())
.setLength(mat.rows() - 1)
.setShift(1);
}
};