move all code relative to readline into separate file (2)
[calc.git] / element.h
... / ...
CommitLineData
1#ifndef __ELEMENT_H__
2#define __ELEMENT_H__
3
4/* function type */
5
6typedef enum {
7 Val = 0, Sig,
8 Add, Sub,
9 Mul, Div, Mod,
10 Pow, Sqr,
11 Cos, Sin, Tan, Acos, Asin, Atan,
12 Ln, Log, Exp,
13 Erfc, Erf,
14 Abs, Ceil, Floor,
15 Store, Recall, Inc, Dec, Disp, Memory, Clear,
16 Quit, Help, History,
17 Ans, E, Pi,
18 Equal, Diff, Ge, Le, Gt, Lt,
19 And, Or, Not,
20 Cond, While, Code, Print,
21 Prog, Arg, Call, List, Edit, Del,
22 Get, Length, Pop, Push, Put, Set, Show,
23 Max, Mean, Median, Min, Order, Prod, Sum, Variance,
24 Precision, Base, Deg, Grad, Rad,
25} func_t;
26
27/* keyword type */
28
29typedef struct _keyword_t {
30 char *keyword;
31 func_t func;
32 int nbops;
33 int offset;
34 float prio;
35} keyword_t;
36
37/* global variables */
38
39#define NB_OPERATORS 14
40extern keyword_t operators[];
41
42#define NB_FUNCTIONS 56
43extern keyword_t functions[];
44
45#define NB_CONSTANTS 3
46extern keyword_t constants[];
47
48#define NB_SYMBOLS 4
49extern char *symbols[];
50
51/* calculus element type */
52
53typedef struct _element_t {
54 func_t func;
55 int nbops;
56 struct _element_t **ops;
57 double value;
58 int prio;
59 int hidden;
60 char *string;
61} element_t;
62
63#define ERROR_OP ((element_t *)(-1))
64
65/* functions */
66
67element_t *newelement (func_t function, int nbops, int prio);
68void delelement (element_t *root);
69element_t *dupelement (element_t *root);
70
71#endif /* __ELEMENT_H__ */
72
73/* vim: set ts=4 sw=4 et: */