/* $Id: viewer.h,v 1.13 1995/08/23 17:21:15 curfman Exp bsmith $ */

#if !defined(__VIEWER_PACKAGE)
#define __VIEWER_PACKAGE

#include "petsc.h"

typedef struct _Viewer*      Viewer;
#define VIEWER_COOKIE        PETSC_COOKIE+1
#define MATLAB_VIEWER        0
#define FILE_VIEWER          1
#define FILES_VIEWER         2
#define BIN_FILE_VIEWER      3

#define FILE_FORMAT_DEFAULT  0
#define FILE_FORMAT_MATLAB   1
#define FILE_FORMAT_IMPL     2
#define FILE_FORMAT_INFO     3

/* file types */
typedef enum { BIN_RDONLY, BIN_WRONLY, BIN_CREAT } ViewerBinaryType;

extern int ViewerFileOpen(MPI_Comm,char*,Viewer *);
extern int ViewerFileOpenBinary(MPI_Comm,char*,ViewerBinaryType,Viewer *);
extern int ViewerFileSetFormat(Viewer,int,char *);
extern int ViewerMatlabOpen(char*,int,Viewer *);
extern int ViewerDestroy(Viewer);

extern Viewer STDOUT_VIEWER_SELF;  
extern Viewer STDERR_VIEWER_SELF;
extern Viewer STDOUT_VIEWER_WORLD;

#endif