1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/* Copyright (c) 2004-2008 Sami Pietila
* Copyright (c) 2008-2009 Robert Ancell
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef MP_EQUATION_H
#define MP_EQUATION_H
#include "mp.h"
typedef enum
{
PARSER_ERR_NONE = 0,
PARSER_ERR_INVALID,
PARSER_ERR_OVERFLOW,
PARSER_ERR_UNKNOWN_VARIABLE,
PARSER_ERR_UNKNOWN_FUNCTION,
PARSER_ERR_UNKNOWN_CONVERSION,
PARSER_ERR_MP
} MPErrorCode;
/* Options for parser */
typedef struct {
/* Default number base */
int base;
/* The wordlength for binary operations in bits (e.g. 8, 16, 32) */
int wordlen;
/* Units for angles (e.g. radians, degrees) */
MPAngleUnit angle_units;
// FIXME:
// int enable_builtins;
/* Data to pass to callbacks */
void *callback_data;
/* Function to check if a variable is defined */
int (*variable_is_defined)(const char *name, void *data);
/* Function to get variable values */
int (*get_variable)(const char *name, MPNumber *z, void *data);
/* Function to set variable values */
void (*set_variable)(const char *name, const MPNumber *x, void *data);
/* Function to check if a function is defined */
int (*function_is_defined)(const char *name, void *data);
/* Function to solve functions */
int (*get_function)(const char *name, const MPNumber *x, MPNumber *z, void *data);
/* Function to convert units */
int (*convert)(const MPNumber *x, const char *x_units, const char *z_units, MPNumber *z, void *data);
} MPEquationOptions;
MPErrorCode mp_equation_parse(const char *expression, MPEquationOptions *options, MPNumber *result, char **error_token);
const char *mp_error_code_to_string(MPErrorCode error_code);
int sub_atoi(const char *data);
int super_atoi(const char *data);
#endif
|
