sparse_solve.c File Reference

#include <assert.h>
#include <cgraph/alloc.h>
#include <string.h>
#include <sfdpgen/sparse_solve.h>
#include <sfdpgen/sfdp.h>
#include <math.h>
#include <common/arith.h>
#include <common/types.h>
#include <common/globals.h>

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Functions
static double *	diag_precon (const double *diag, double *x, double *y)
static double *	diag_precon_new (SparseMatrix A)
static double	conjugate_gradient (SparseMatrix A, const double *precon, int n, double *x, double *rhs, double tol, double maxit)
static double	cg (SparseMatrix A, const double *precond, int n, int dim, double *x0, double *rhs, double tol, double maxit)
double	SparseMatrix_solve (SparseMatrix A, int dim, double *x0, double *rhs, double tol, double maxit)

Function Documentation

cg()

static double cg ( SparseMatrix  A, const double *  precond, int  n, int  dim, double *  x0, double *  rhs, double  tol, double  maxit  )

static

Definition at line 113 of file sparse_solve.c.

References A, conjugate_gradient(), free(), gv_calloc(), maxit, and tol.

Referenced by closeGraph(), clustNode(), compOf(), constrainX(), constrainY(), copyCluster(), copyClusterInfo(), expandCluster(), finalCC(), freeDerivedGraph(), layout(), mapGraphs(), mkConstraintG(), mkNConstraintG(), and SparseMatrix_solve().

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conjugate_gradient()

static double conjugate_gradient ( SparseMatrix  A, const double *  precon, int  n, double *  x, double *  rhs, double  tol, double  maxit  )

static

Definition at line 54 of file sparse_solve.c.

References A, alpha, diag_precon(), free(), gv_calloc(), maxit, SparseMatrix_multiply_vector(), tol, vector_product(), vector_saxpy(), vector_saxpy2(), vector_subtract_to(), Verbose, and z.

Referenced by cg().

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diag_precon()

static double * diag_precon ( const double *  diag, double *  x, double *  y  )

static

Definition at line 23 of file sparse_solve.c.

Referenced by conjugate_gradient().

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diag_precon_new()

static double * diag_precon_new ( SparseMatrix  A )

static

Definition at line 31 of file sparse_solve.c.

References A, gv_calloc(), and MATRIX_TYPE_REAL.

Referenced by SparseMatrix_solve().

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SparseMatrix_solve()

double SparseMatrix_solve	(	SparseMatrix	A,
		int	dim,
		double *	x0,
		double *	rhs,
		double	tol,
		double	maxit
	)

Definition at line 135 of file sparse_solve.c.

References A, cg(), diag_precon_new(), free(), maxit, and tol.

Referenced by StressMajorizationSmoother_smooth().

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