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