src/meta/mgvars.h

/* RCSid: $Id: mgvars.h,v 1.2 2003/07/14 22:24:00 schorsch Exp $ */
/*
 *  mgvars.h - header file for graphing routines using variables.
 *
 *     6/23/86
 *
 *     Greg Ward Larson
 */
#ifndef _RAD_MGVARS_H_
#define _RAD_MGVARS_H_

#include <errno.h>

#include "calcomp.h"

#ifdef __cplusplus
extern "C" {
#endif

/*
 *  Data arrays are used to store point data.
 */

typedef struct {
        int  size;              /* the size of the array */
        float  *data;           /* pointer to the array */
}  DARRAY;

/*
 *  Intermediate variables are not referenced
 *  directly by the program, but may be used
 *  for defining other variables.
 */

typedef struct ivar {
        char  *name;            /* the variable name */
        char  *dfn;             /* its definition */
        struct ivar  *next;     /* next in list */
}  IVAR;                /* an intermediate variable */

/*
 *  Variables are used for all graph parameters.  The four variable
 *  types are:  REAL, FUNCTION, STRING and DATA.
 *  Of these, only STRING and DATA must be interpreted by us; an
 *  expression parser will handle the rest.
 */
                                /* standard variables */
#define  FTHICK         0               /* frame thickness */
#define  GRID           1               /* grid on? */
#define  LEGEND         2               /* legend title */
#define  OTHICK         3               /* origin thickness */
#define  PERIOD         4               /* period of polar plot */
#define  SUBTITLE       5               /* subtitle */
#define  SYMFILE        6               /* symbol file */
#define  TSTYLE         7               /* tick mark style */
#define  TITLE          8               /* title */
#define  XLABEL         9               /* x axis label */
#define  XMAP           10              /* x axis mapping */
#define  XMAX           11              /* x axis maximum */
#define  XMIN           12              /* x axis minimum */
#define  XSTEP          13              /* x axis step */
#define  YLABEL         14              /* y axis label */
#define  YMAP           15              /* y axis mapping */
#define  YMAX           16              /* y axis maximum */
#define  YMIN           17              /* y axis minimum */
#define  YSTEP          18              /* y axis step */

#define  NVARS          19      /* number of standard variables */

                                /* curve variables */
#define  C              0               /* the curve function */
#define  CCOLOR         1               /* the curve color */
#define  CDATA          2               /* the curve data */
#define  CLABEL         3               /* the curve label */
#define  CLINTYPE       4               /* the curve line type */
#define  CNPOINTS       5               /* number of curve points to plot */
#define  CSYMSIZE       6               /* the curve symbol size */
#define  CSYMTYPE       7               /* the curve symbol type */
#define  CTHICK         8               /* the curve line thickness */

#define  NCVARS         9       /* number of curve variables */

#define  MAXCUR         8       /* maximum number of curves */

                                /* types */
#define  REAL           1               /* floating point */
#define  STRING         2               /* character array */
#define  FUNCTION       3               /* function definition */
#define  DATA           4               /* a set of real points */

                                /* flags */
#define  DEFINED        01              /*  variable is defined */

typedef struct {
        char  *name;            /* the variable name */
        short  type;            /* the variable type */
        char  *descrip;         /* brief description */
        unsigned short  flags;  /* DEFINED, etc. */
        union {
                char  *s;               /* STRING value */
                DARRAY  d;              /* DATA value */
                char  *dfn;             /* variable definition */
        } v;                    /* value */
}  VARIABLE;            /* a variable */

extern IVAR  *ivhead;                           /* the intermediate list */

extern VARIABLE  gparam[NVARS];                 /* the graph variables */
extern VARIABLE  cparam[MAXCUR][NCVARS];        /* the curve variables */

extern VARIABLE  *vlookup();

#define  mgclear(vname)         undefine(vlookup(vname))

extern void mgclearall(void);
extern void mgload(char *file);
extern void mgsave(char *file);
extern void setmgvar(char *fname, FILE *fp, char *string);
extern int mgcurve(int c, int (*f)());
extern void mgtoa(register char *s, VARIABLE *vp);


#ifdef __cplusplus
}
#endif
#endif /* _RAD_MGVARS_H_ */

Revision:	1.3
Committed:	Fri Nov 14 00:14:40 2003 UTC (21 years, 11 months ago) by schorsch
Content type:	text/plain
Branch:	MAIN
Changes since 1.2:	+10 -3 lines
Log Message:	Continued ansification, and got rid of gets().
#	User	Rev	Content
1	schorsch	1.3	/* RCSid: $Id: mgvars.h,v 1.2 2003/07/14 22:24:00 schorsch Exp $ */
2	greg	1.1	/*
3			* mgvars.h - header file for graphing routines using variables.
4			*
5			* 6/23/86
6			*
7			* Greg Ward Larson
8			*/
9	schorsch	1.2	#ifndef _RAD_MGVARS_H_
10			#define _RAD_MGVARS_H_
11
12			#include <errno.h>
13
14	schorsch	1.3	#include "calcomp.h"
15
16	schorsch	1.2	#ifdef __cplusplus
17			extern "C" {
18			#endif
19	greg	1.1
20			/*
21			* Data arrays are used to store point data.
22			*/
23
24			typedef struct {
25			int size; /* the size of the array */
26			float data; / pointer to the array */
27			} DARRAY;
28
29			/*
30			* Intermediate variables are not referenced
31			* directly by the program, but may be used
32			* for defining other variables.
33			*/
34
35			typedef struct ivar {
36			char name; / the variable name */
37			char dfn; / its definition */
38			struct ivar next; / next in list */
39			} IVAR; /* an intermediate variable */
40
41			/*
42			* Variables are used for all graph parameters. The four variable
43			* types are: REAL, FUNCTION, STRING and DATA.
44			* Of these, only STRING and DATA must be interpreted by us; an
45			* expression parser will handle the rest.
46			*/
47			/* standard variables */
48			#define FTHICK 0 /* frame thickness */
49			#define GRID 1 /* grid on? */
50			#define LEGEND 2 /* legend title */
51			#define OTHICK 3 /* origin thickness */
52			#define PERIOD 4 /* period of polar plot */
53			#define SUBTITLE 5 /* subtitle */
54			#define SYMFILE 6 /* symbol file */
55			#define TSTYLE 7 /* tick mark style */
56			#define TITLE 8 /* title */
57			#define XLABEL 9 /* x axis label */
58			#define XMAP 10 /* x axis mapping */
59			#define XMAX 11 /* x axis maximum */
60			#define XMIN 12 /* x axis minimum */
61			#define XSTEP 13 /* x axis step */
62			#define YLABEL 14 /* y axis label */
63			#define YMAP 15 /* y axis mapping */
64			#define YMAX 16 /* y axis maximum */
65			#define YMIN 17 /* y axis minimum */
66			#define YSTEP 18 /* y axis step */
67
68			#define NVARS 19 /* number of standard variables */
69
70			/* curve variables */
71			#define C 0 /* the curve function */
72			#define CCOLOR 1 /* the curve color */
73			#define CDATA 2 /* the curve data */
74			#define CLABEL 3 /* the curve label */
75			#define CLINTYPE 4 /* the curve line type */
76			#define CNPOINTS 5 /* number of curve points to plot */
77			#define CSYMSIZE 6 /* the curve symbol size */
78			#define CSYMTYPE 7 /* the curve symbol type */
79			#define CTHICK 8 /* the curve line thickness */
80
81			#define NCVARS 9 /* number of curve variables */
82
83			#define MAXCUR 8 /* maximum number of curves */
84
85			/* types */
86			#define REAL 1 /* floating point */
87			#define STRING 2 /* character array */
88			#define FUNCTION 3 /* function definition */
89			#define DATA 4 /* a set of real points */
90
91			/* flags */
92			#define DEFINED 01 /* variable is defined */
93
94			typedef struct {
95			char name; / the variable name */
96			short type; /* the variable type */
97			char descrip; / brief description */
98			unsigned short flags; /* DEFINED, etc. */
99			union {
100			char s; / STRING value */
101			DARRAY d; /* DATA value */
102			char dfn; / variable definition */
103			} v; /* value */
104			} VARIABLE; /* a variable */
105
106			extern IVAR ivhead; / the intermediate list */
107
108			extern VARIABLE gparam[NVARS]; /* the graph variables */
109			extern VARIABLE cparam[MAXCUR][NCVARS]; /* the curve variables */
110
111			extern VARIABLE *vlookup();
112
113	schorsch	1.3	#define mgclear(vname) undefine(vlookup(vname))
114	greg	1.1
115	schorsch	1.3	extern void mgclearall(void);
116			extern void mgload(char *file);
117			extern void mgsave(char *file);
118			extern void setmgvar(char fname, FILE fp, char *string);
119			extern int mgcurve(int c, int (*f)());
120			extern void mgtoa(register char s, VARIABLE vp);
121	schorsch	1.2
122
123			#ifdef __cplusplus
124			}
125			#endif
126			#endif /* _RAD_MGVARS_H_ */
127	greg	1.1