g2o::LinearSolverEigen< MatrixType >::CholeskyDecomposition Class Reference

Sub-classing Eigen's SimplicialLDLT to perform ordering with a given ordering. More...

#include <linear_solver_eigen.h>

Inheritance diagram for g2o::LinearSolverEigen< MatrixType >::CholeskyDecomposition:

Collaboration diagram for g2o::LinearSolverEigen< MatrixType >::CholeskyDecomposition:

Public Member Functions
	CholeskyDecomposition ()
void	analyzePatternWithPermutation (SparseMatrix &a, const PermutationMatrix &permutation)

Detailed Description

template<typename MatrixType>
class g2o::LinearSolverEigen< MatrixType >::CholeskyDecomposition

Sub-classing Eigen's SimplicialLDLT to perform ordering with a given ordering.

Definition at line 58 of file linear_solver_eigen.h.

Constructor & Destructor Documentation

template<typename MatrixType >

g2o::LinearSolverEigen< MatrixType >::CholeskyDecomposition::CholeskyDecomposition ( )

inline

Definition at line 61 of file linear_solver_eigen.h.

: Eigen::SimplicialLDLT<SparseMatrix, Eigen::Upper>() {}

Member Function Documentation

template<typename MatrixType >

void g2o::LinearSolverEigen< MatrixType >::CholeskyDecomposition::analyzePatternWithPermutation ( SparseMatrix &  a, const PermutationMatrix &  permutation  )

inline

Definition at line 64 of file linear_solver_eigen.h.

Referenced by g2o::LinearSolverEigen< MatrixType >::computeSymbolicDecomposition().

        {
          m_Pinv = permutation;
          m_P = permutation.inverse();
          int size = a.cols();
          SparseMatrix ap(size, size);
          ap.selfadjointView<Eigen::Upper>() = a.selfadjointView<UpLo>().twistedBy(m_P);
          analyzePattern_preordered(ap, true);
        }

---

The documentation for this class was generated from the following file:

• /home/xuezhisd/CLionProjects/g2o/g2o/solvers/eigen/linear_solver_eigen.h