Solver Class Reference

abstract base solver class to enable to be able two switch between solvers (current options: PARDISO & GPU) at run time. More...

#include <Solver.h>

Inheritance diagram for Solver:

Public Member Functions
virtual void	symbolic_factorization (SpMat &Q, int &init)=0
virtual void	factorize (SpMat &Q, double &log_det, double &t_priorLatChol)=0
virtual void	factorize_w_constr (SpMat &Q, const MatrixXd &D, double &log_det, MatrixXd &V)=0
virtual void	factorize_solve (SpMat &Q, Vect &rhs, Vect &sol, double &log_det, double &t_condLatChol, double &t_condLatSolve)=0
virtual void	factorize_solve_w_constr (SpMat &Q, Vect &rhs, const MatrixXd &Dxy, double &log_det, Vect &sol, MatrixXd &V)=0
virtual void	selected_inversion (SpMat &Q, Vect &inv_diag)=0
virtual void	selected_inversion_w_constr (SpMat &Q, const MatrixXd &D, Vect &inv_diag, MatrixXd &V)=0

Protected Attributes
int	init
double	log_det
SpMat	Q
Vect	rhs
Vect	sol

Detailed Description

abstract base solver class to enable to be able two switch between solvers (current options: PARDISO & GPU) at run time.

divided into set up, symbolic factorisation, numerical factorisation, numerical factorisation & solve and selected inversion (of the diagonal elements)

Member Function Documentation

factorize()

virtual void Solver::factorize ( SpMat &  Q, double &  log_det, double &  t_priorLatChol  )

pure virtual

Implemented in BTASolver, EigenCholSolver, EigenSolver, and PardisoSolver.

factorize_solve()

virtual void Solver::factorize_solve ( SpMat &  Q, Vect &  rhs, Vect &  sol, double &  log_det, double &  t_condLatChol, double &  t_condLatSolve  )

pure virtual

Implemented in BTASolver, EigenCholSolver, EigenSolver, and PardisoSolver.

selected_inversion()

virtual void Solver::selected_inversion ( SpMat &  Q, Vect &  inv_diag  )

pure virtual

Implemented in BTASolver, EigenCholSolver, EigenSolver, and PardisoSolver.

symbolic_factorization()

virtual void Solver::symbolic_factorization ( SpMat &  Q, int &  init  )

pure virtual

Implemented in BTASolver, EigenCholSolver, EigenSolver, and PardisoSolver.

Member Data Documentation

init

int Solver::init

protected

flag indicating if symbolic factorisation was already performed or not

log_det

double Solver::log_det

protected

log determinant of Q

Q

SpMat Solver::Q

protected

sparse precision matrix Q. Eigen format.

rhs

Vect Solver::rhs

protected

right-hand side, solving Q*sol = rhs

sol

Vect Solver::sol

protected

solution vector, solving Q*sol = rhs

---

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

• INLA_main/Solver.h