linear_solver.cc File Reference

#include "linear_solver.h"
#include <Eigen/Sparse>
#include <algorithm>
#include <cassert>
#include <cstdlib>
#include <iostream>
#include <vector>

Go to the source code of this file.

Classes
struct	LinearSolver
struct	LinearSolver::Coeff
struct	LinearSolver::Variable

Typedefs
typedef Eigen::SparseMatrix< double, Eigen::ColMajor >	EigenSparseMatrix
typedef Eigen::SparseLU< EigenSparseMatrix >	EigenSparseLU
typedef Eigen::VectorXd	EigenVectorX
typedef Eigen::Triplet< double >	EigenTriplet

Functions
LinearSolver *	EIG_linear_solver_new (int num_rows, int num_columns, int num_rhs)
LinearSolver *	EIG_linear_least_squares_solver_new (int num_rows, int num_columns, int num_rhs)
void	EIG_linear_solver_delete (LinearSolver *solver)
void	EIG_linear_solver_variable_set (LinearSolver *solver, int rhs, int index, double value)
double	EIG_linear_solver_variable_get (LinearSolver *solver, int rhs, int index)
void	EIG_linear_solver_variable_lock (LinearSolver *solver, int index)
void	EIG_linear_solver_variable_unlock (LinearSolver *solver, int index)
static void	linear_solver_variables_to_vector (LinearSolver *solver)
static void	linear_solver_vector_to_variables (LinearSolver *solver)
static void	linear_solver_ensure_matrix_construct (LinearSolver *solver)
void	EIG_linear_solver_matrix_add (LinearSolver *solver, int row, int col, double value)
void	EIG_linear_solver_right_hand_side_add (LinearSolver *solver, int rhs, int index, double value)
bool	EIG_linear_solver_solve (LinearSolver *solver)
void	EIG_linear_solver_print_matrix (LinearSolver *solver)

Detailed Description

Sparse linear solver.

Definition in file linear_solver.cc.

Typedef Documentation

EigenSparseLU

typedef Eigen::SparseLU<EigenSparseMatrix> EigenSparseLU

Definition at line 24 of file linear_solver.cc.

EigenSparseMatrix

typedef Eigen::SparseMatrix<double, Eigen::ColMajor> EigenSparseMatrix

Definition at line 23 of file linear_solver.cc.

EigenTriplet

typedef Eigen::Triplet<double> EigenTriplet

Definition at line 26 of file linear_solver.cc.

EigenVectorX

typedef Eigen::VectorXd EigenVectorX

Definition at line 25 of file linear_solver.cc.

Function Documentation

EIG_linear_least_squares_solver_new()

LinearSolver * EIG_linear_least_squares_solver_new	(	int	num_rows,
		int	num_columns,
		int	num_rhs )

Definition at line 107 of file linear_solver.cc.

Referenced by adjust_the_cycle_or_chain(), bmo_smooth_laplacian_vert_exec(), laplacian_system_construct_begin(), laplacianDeformPreview(), laplaciansmoothModifier_do(), and blender::geometry::p_chart_lscm_begin().

EIG_linear_solver_delete()

void EIG_linear_solver_delete

(

LinearSolver *

solver

)

Definition at line 112 of file linear_solver.cc.

Referenced by adjust_the_cycle_or_chain(), delete_laplacian_system(), delete_laplacian_system(), deleteLaplacianSystem(), laplacian_system_delete(), laplaciansmoothModifier_do(), meshdeform_matrix_solve(), blender::geometry::p_abf_matrix_invert(), and blender::geometry::p_chart_lscm_end().

EIG_linear_solver_matrix_add()

void EIG_linear_solver_matrix_add	(	LinearSolver *	solver,
		int	row,
		int	col,
		double	value )

Definition at line 215 of file linear_solver.cc.

References col, LinearSolver::Coeff::index, LinearSolver::least_squares, linear_solver_ensure_matrix_construct(), LinearSolver::Mtriplets, LinearSolver::state, LinearSolver::STATE_MATRIX_SOLVED, LinearSolver::Coeff::value, and LinearSolver::variable.

Referenced by adjust_the_cycle_or_chain(), bmo_smooth_laplacian_vert_exec(), fill_laplacian_matrix(), fill_laplacian_matrix(), initLaplacianMatrix(), laplacian_system_construct_end(), laplacian_triangle_weights(), laplacianDeformPreview(), laplaciansmoothModifier_do(), meshdeform_matrix_add_cell(), blender::geometry::p_abf_matrix_invert(), and blender::geometry::p_chart_lscm_solve().

EIG_linear_solver_new()

LinearSolver * EIG_linear_solver_new	(	int	num_rows,
		int	num_columns,
		int	num_rhs )

Definition at line 102 of file linear_solver.cc.

Referenced by laplacian_system_construct_begin(), meshdeform_matrix_solve(), and blender::geometry::p_abf_matrix_invert().

EIG_linear_solver_print_matrix()

void EIG_linear_solver_print_matrix

(

LinearSolver *

solver

)

Definition at line 349 of file linear_solver.cc.

References LinearSolver::b, LinearSolver::M, LinearSolver::MtM, LinearSolver::num_rhs, and rhs.

Referenced by adjust_the_cycle_or_chain().

EIG_linear_solver_right_hand_side_add()

void EIG_linear_solver_right_hand_side_add	(	LinearSolver *	solver,
		int	rhs,
		int	index,
		double	value )

Definition at line 250 of file linear_solver.cc.

References LinearSolver::b, LinearSolver::least_squares, linear_solver_ensure_matrix_construct(), rhs, and LinearSolver::variable.

Referenced by adjust_the_cycle_or_chain(), bmo_smooth_laplacian_vert_exec(), laplacian_add_right_hand_side(), laplacianDeformPreview(), laplaciansmoothModifier_do(), meshdeform_matrix_add_rhs(), blender::geometry::p_abf_matrix_invert(), and rotateDifferentialCoordinates().

EIG_linear_solver_solve()

bool EIG_linear_solver_solve

(

LinearSolver *

solver

)

Definition at line 265 of file linear_solver.cc.

References b, LinearSolver::b, LinearSolver::least_squares, linear_solver_vector_to_variables(), LinearSolver::M, M, LinearSolver::m, LinearSolver::MtM, LinearSolver::Mtriplets, LinearSolver::n, LinearSolver::num_rhs, LinearSolver::num_variables, result, rhs, LinearSolver::sparseLU, LinearSolver::state, LinearSolver::STATE_MATRIX_CONSTRUCT, LinearSolver::STATE_MATRIX_SOLVED, LinearSolver::STATE_VARIABLES_CONSTRUCT, LinearSolver::variable, and LinearSolver::x.

Referenced by adjust_the_cycle_or_chain(), bmo_smooth_laplacian_vert_exec(), laplacian_system_solve(), laplacianDeformPreview(), laplaciansmoothModifier_do(), meshdeform_matrix_solve(), blender::geometry::p_abf_matrix_invert(), and blender::geometry::p_chart_lscm_solve().

EIG_linear_solver_variable_get()

double EIG_linear_solver_variable_get	(	LinearSolver *	solver,
		int	rhs,
		int	index )

Definition at line 124 of file linear_solver.cc.

References rhs, and LinearSolver::variable.

Referenced by adjust_the_cycle_or_chain(), laplacian_system_get_solution(), laplacianDeformPreview(), meshdeform_matrix_solve(), blender::geometry::p_abf_matrix_invert(), blender::geometry::p_chart_lscm_solve(), rotateDifferentialCoordinates(), validate_solution(), and validate_solution().

EIG_linear_solver_variable_lock()

void EIG_linear_solver_variable_lock	(	LinearSolver *	solver,
		int	index )

Definition at line 129 of file linear_solver.cc.

References LinearSolver::state, LinearSolver::STATE_VARIABLES_CONSTRUCT, and LinearSolver::variable.

Referenced by bmo_smooth_laplacian_vert_exec(), laplacian_begin_solve(), and blender::geometry::p_chart_lscm_solve().

EIG_linear_solver_variable_set()

void EIG_linear_solver_variable_set	(	LinearSolver *	solver,
		int	rhs,
		int	index,
		double	value )

Definition at line 119 of file linear_solver.cc.

References rhs, and LinearSolver::variable.

Referenced by bmo_smooth_laplacian_vert_exec(), laplacian_begin_solve(), laplacianDeformPreview(), laplaciansmoothModifier_do(), and blender::geometry::p_chart_lscm_solve().

EIG_linear_solver_variable_unlock()

void EIG_linear_solver_variable_unlock	(	LinearSolver *	solver,
		int	index )

Definition at line 137 of file linear_solver.cc.

References LinearSolver::state, LinearSolver::STATE_VARIABLES_CONSTRUCT, and LinearSolver::variable.

Referenced by bmo_smooth_laplacian_vert_exec().

linear_solver_ensure_matrix_construct()

static void linear_solver_ensure_matrix_construct ( LinearSolver * solver )

static

Definition at line 175 of file linear_solver.cc.

References LinearSolver::b, LinearSolver::least_squares, linear_solver_variables_to_vector(), LinearSolver::m, LinearSolver::Mtriplets, LinearSolver::n, LinearSolver::num_rhs, LinearSolver::num_rows, LinearSolver::num_variables, LinearSolver::state, LinearSolver::STATE_MATRIX_CONSTRUCT, LinearSolver::STATE_VARIABLES_CONSTRUCT, LinearSolver::variable, and LinearSolver::x.

Referenced by EIG_linear_solver_matrix_add(), and EIG_linear_solver_right_hand_side_add().

linear_solver_variables_to_vector()

static void linear_solver_variables_to_vector ( LinearSolver * solver )

static

Definition at line 145 of file linear_solver.cc.

References LinearSolver::num_rhs, LinearSolver::num_variables, v, LinearSolver::variable, and LinearSolver::x.

Referenced by linear_solver_ensure_matrix_construct().

linear_solver_vector_to_variables()

static void linear_solver_vector_to_variables ( LinearSolver * solver )

static

Definition at line 159 of file linear_solver.cc.

References LinearSolver::num_rhs, LinearSolver::num_variables, v, LinearSolver::variable, and LinearSolver::x.

Referenced by EIG_linear_solver_solve().