70
|
1 |
/*
|
|
2 |
* (c) 2000 Jiri Baum
|
|
3 |
* Mario de Sousa
|
|
4 |
*
|
|
5 |
* Offered to the public under the terms of the GNU General Public License
|
|
6 |
* as published by the Free Software Foundation; either version 2 of the
|
|
7 |
* License, or (at your option) any later version.
|
|
8 |
*
|
|
9 |
* This program is distributed in the hope that it will be useful, but
|
|
10 |
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
11 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
|
|
12 |
* Public License for more details.
|
|
13 |
*
|
|
14 |
* This code is made available on the understanding that it will not be
|
|
15 |
* used in safety-critical situations without a full and competent review.
|
|
16 |
*/
|
|
17 |
|
|
18 |
|
|
19 |
#ifndef __PLC_TYPES_H
|
|
20 |
#define __PLC_TYPES_H
|
|
21 |
|
|
22 |
#include <limits.h>
|
|
23 |
#include <float.h> /* some limits related to floats are located here (?) */
|
|
24 |
|
|
25 |
|
|
26 |
/*
|
|
27 |
* This will need to be conditional on the arquitecture or something.
|
|
28 |
* Anyone know where we can snarf the relevant magic easily?
|
|
29 |
*/
|
|
30 |
typedef double f64; /* 64-bit floating point */
|
|
31 |
typedef float f32; /* 32-bit floating point */
|
|
32 |
|
|
33 |
typedef unsigned long long int u64; /* 64-bit unsigned integer */
|
|
34 |
typedef long long int i64; /* 64-bit signed integer */
|
|
35 |
typedef unsigned int u32; /* 32-bit unsigned integer */
|
|
36 |
typedef int i32; /* 32-bit signed integer */
|
|
37 |
typedef unsigned short int u16; /* 16-bit unsigned integer */
|
|
38 |
typedef short int i16; /* 16-bit signed integer */
|
|
39 |
typedef unsigned char u8; /* 8-bit unsigned integer */
|
|
40 |
typedef signed char i8; /* 8-bit signed integer */
|
|
41 |
|
|
42 |
/* some platforms seem to be missing <float.h> with the definition of FLT_MAX */
|
|
43 |
#ifndef FLT_MAX
|
|
44 |
/* this is the minimum value guaranteed by ANSI C++ */
|
|
45 |
/* does anybody know the minimum value guaranteed for ANSI C ? */
|
|
46 |
#define FLT_MAX 1E+37
|
|
47 |
#endif
|
|
48 |
#ifndef FLT_MIN
|
|
49 |
/* this is the minimum value guaranteed by ANSI C++ */
|
|
50 |
/* does anybody know the minimum value guaranteed for ANSI C ? */
|
|
51 |
#define FLT_MIN 1E-37
|
|
52 |
#endif
|
|
53 |
|
|
54 |
#define f32_MAX FLT_MAX
|
|
55 |
#define f32_MIN FLT_MIN
|
|
56 |
|
|
57 |
#define u32_MAX UINT_MAX
|
|
58 |
#define u32_MIN 0
|
|
59 |
#define i32_MAX INT_MAX
|
|
60 |
#define i32_MIN INT_MIN
|
|
61 |
|
|
62 |
#define u16_MAX USHRT_MAX
|
|
63 |
#define u16_MIN 0
|
|
64 |
#define i16_MAX SHRT_MAX
|
|
65 |
#define i16_MIN SHRT_MIN
|
|
66 |
|
|
67 |
#define u8_MAX UCHAR_MAX
|
|
68 |
#define u8_MIN 0
|
|
69 |
#define i8_MAX SCHAR_MAX
|
|
70 |
#define i8_MIN SCHAR_MIN
|
|
71 |
|
|
72 |
#endif /* __PLC_TYPES_H */
|
|
73 |
|