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/*
* $Id: datafile.h,v 1.3 1999/11/08 19:24:14 lhecking Exp $
*/
/* GNUPLOT - datafile.h */
/*[
* Copyright 1986 - 1993, 1998 Thomas Williams, Colin Kelley
*
* Permission to use, copy, and distribute this software and its
* documentation for any purpose with or without fee is hereby granted,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation.
*
* Permission to modify the software is granted, but not the right to
* distribute the complete modified source code. Modifications are to
* be distributed as patches to the released version. Permission to
* distribute binaries produced by compiling modified sources is granted,
* provided you
* 1. distribute the corresponding source modifications from the
* released version in the form of a patch file along with the binaries,
* 2. add special version identification to distinguish your version
* in addition to the base release version number,
* 3. provide your name and address as the primary contact for the
* support of your modified version, and
* 4. retain our contact information in regard to use of the base
* software.
* Permission to distribute the released version of the source code along
* with corresponding source modifications in the form of a patch file is
* granted with same provisions 2 through 4 for binary distributions.
*
* This software is provided "as is" without express or implied warranty
* to the extent permitted by applicable law.
]*/
#ifndef
GNUPLOT_DATAFILE_H
# define
GNUPLOT_DATAFILE_H
/* #if... / #include / #define collection: */
#include
"plot.h"
#ifndef
MAXINT
/* should there be one already defined ? */
# ifdef
INT_MAX
/* in limits.h ? */
# define
MAXINT
INT_MAX
# else
# define
MAXINT
((~0)>>1)
# endif
#endif
/* Variables of datafile.c needed by other modules: */
/* how many using columns were specified */
extern
int
df_no_use_specs
;
/* suggested x value if none given */
extern
int
df_datum
;
/* is this a matrix splot */
extern
TBOOLEAN
df_matrix
;
/* this is a binary file */
extern
TBOOLEAN
df_binary
;
extern
int
df_eof
;
extern
int
df_line_number
;
extern
int
df_timecol
[];
extern
struct
udft_entry
ydata_func
;
/* HBB 990829: moved from command.h */
/* Prototypes of functions exported by datafile.c */
int
df_open
__PROTO
((
int
));
int
df_readline
__PROTO
((
double
[],
int
));
void
df_close
__PROTO
((
void
));
int
df_2dbinary
__PROTO
((
struct
curve_points
*
));
int
df_3dmatrix
__PROTO
((
struct
surface_points
*
));
void
f_dollars
__PROTO
((
union
argument
*
x
));
void
f_column
__PROTO
((
void
));
void
f_valid
__PROTO
((
void
));
void
f_timecolumn
__PROTO
((
void
));
#endif
/* GNUPLOT_DATAFILE_H */
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