Header for basic types and routine list. More...

#include <stddef.h>

Data Structures
struct	adpcg
	Working struct for the adaptive CG solver. More...

Macros
#define	id "%d"

#define	cgerr(x) printf(x);

#define	CG_OK (0)

#define	CG_ERR (1)

#define	CG_TRUE (1)

#define	CG_FALSE (0)

#define	CG_PRECOND_DIAG (10)
	Use diagonal as the pre-conditioner.

#define	CG_PRECOND_CHOL (11)
	Use Cholesky factor as the pre-conditioner.

#define	CG_NO_PRECOND (12)
	Use direct solver.

#define	CG_STATUS_SOLVED (100)
	System is solved to desired accuracy within maximum iteration.

#define	CG_STATUS_MAXITER (101)
	System reaches maximum iteration.

#define	CG_STATUS_FAILED (102)
	CG fails to converge.

#define	CG_STATUS_UNKNOWN (104)
	CG status is not known. Solution not yet started.

#define	CG_STATUS_DIRECT (105)
	CG serves as a wrapper for direct solver.

#define	MIN(a, b) (((a)<(b))?(a):(b))

#define	MAX(a, b) (((a)>(b))?(a):(b))

Detailed Description

Header for basic types and routine list.

Given a set of positive definite linear systems , adpcg solves them adaptively with pre-conditioning conjugate gradient method.

The routine is employed in HDSDP.

Data Structures