#ifndef BUILDERH_H_
#define BUILDERH_H_

/*	This version is only support uniprocess. */
# include "petscksp.h"
# include <stdlib.h>
# include <stdio.h>

typedef enum {RC_1=0,RC_2=1,DB_1=2,DB_2=3}ProblemType;

typedef struct {
	ProblemType	problem;	/* size of preconditioner */
	PetscInt	k,v;
	PetscInt	n_x,s_t;
	PetscReal	h_x,h_t;
	
}MainMatPar ;

/*=============================================================================*/
extern PetscErrorCode CreateMainMatPar(ProblemType,PetscInt,PetscInt,PetscInt,PetscInt,\
		PetscReal,PetscReal,MainMatPar**);
extern PetscErrorCode DestroyMainMatPar(MainMatPar*);

extern PetscErrorCode BuildMainMatrix(Mat*,MainMatPar*);

extern PetscErrorCode Build11(Mat*,MainMatPar*);

#endif /*BUILDERH_H_*/