evsl_cxsparse.c File Reference

Definitions used for cxsparse interface. More...

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "def.h"
#include "struct.h"
#include "CXSparse/Include/cs.h"
#include "internal_proto.h"
#include "evsl_direct.h"

Go to the source code of this file.

Data Structures
struct	_BSolDataDirect
struct	_ASBSolDataDirect

Typedefs
typedef struct _BSolDataDirect	BSolDataDirect
typedef struct _ASBSolDataDirect	ASBSolDataDirect

Functions
int	SetupBSolDirect (csrMat *B, void **data)
	Setup the B-sol by computing the Cholesky factorization of B. More...
void	BSolDirect (double *b, double *x, void *data)
	Solver function of B. More...
void	LTSolDirect (double *b, double *x, void *data)
	Solver function of L^{T} x = L^{-T}*b. More...
void	FreeBSolDirectData (void *data)
	Free solver data. More...
int	SetupASIGMABSolDirect (csrMat *A, csrMat *BB, int num, complex double *zk, void **data)
	setup CXsparse solver for A - SIGMA B More...
void	ASIGMABSolDirect (int n, double *br, double *bi, double *xr, double *xz, void *data)
	complex linear solver routine passed to evsl More...
void	FreeASIGMABSolDirect (int num, void **data)
	free the data needed by CXSparse More...

Detailed Description

Definitions used for cxsparse interface.

Definition in file evsl_cxsparse.c.

Typedef Documentation

typedef struct _ASBSolDataDirect ASBSolDataDirect

typedef struct _BSolDataDirect BSolDataDirect

Function Documentation

void ASIGMABSolDirect	(	int	n,
		double *	br,
		double *	bi,
		double *	xr,
		double *	xz,
		void *	data
	)

complex linear solver routine passed to evsl

Parameters

	n	size of the system
	br,bi	vectors of length n, complex right-hand side (real and imaginary)
	data	all data that are needed for solving the system
[out]	xr,xz	vectors of length n, complex solution (real and imaginary)

Warning

: This function MUST be of this prototype

---

Definition at line 324 of file evsl_cxsparse.c.

Referenced by main(), and set_asigmabsol_direct().

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void BSolDirect	(	double *	b,
		double *	x,
		void *	data
	)

Solver function of B.

Definition at line 135 of file evsl_cxsparse.c.

Referenced by main(), and setup_bsol_direct().

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void FreeASIGMABSolDirect	(	int	num,
		void **	data
	)

free the data needed by CXSparse

Definition at line 352 of file evsl_cxsparse.c.

Referenced by free_asigmabsol_direct(), and main().

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void FreeBSolDirectData

(

void *

data

)

Free solver data.

Definition at line 165 of file evsl_cxsparse.c.

Referenced by free_bsol_direct(), and main().

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void LTSolDirect	(	double *	b,
		double *	x,
		void *	data
	)

Solver function of L^{T} x = L^{-T}*b.

Definition at line 151 of file evsl_cxsparse.c.

Referenced by main(), and setup_bsol_direct().

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int SetupASIGMABSolDirect	(	csrMat *	A,
		csrMat *	BB,
		int	num,
		complex double *	zk,
		void **	data
	)

setup CXsparse solver for A - SIGMA B

The setup invovles shifting the matrix A - SIGMA B and factorizing the shifted matrix The solver function and the data will be saved data Generally speaking, each pole can have a different solver

Parameters

A	matrix A
BB	matrix B, if NULL, it means B is identity
num	the number of SIGMA's
zk	array of SIGMA's of length num
data	all data that are needed for solving the system

Definition at line 190 of file evsl_cxsparse.c.

Referenced by main(), and setup_asigmabsol_direct().

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int SetupBSolDirect	(	csrMat *	B,
		void **	data
	)

Setup the B-sol by computing the Cholesky factorization of B.

Parameters

B	matrix B
data	Struct which will be initialized

Definition at line 57 of file evsl_cxsparse.c.

Referenced by main(), and setup_bsol_direct().

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