etisserant@1: /*
etisserant@1:  * (c) 2000 Jiri Baum
etisserant@1:  *          Mario de Sousa
etisserant@1:  *
etisserant@1:  * Offered to the public under the terms of the GNU General Public License
etisserant@1:  * as published by the Free Software Foundation; either version 2 of the
etisserant@1:  * License, or (at your option) any later version.
etisserant@1:  *
etisserant@1:  * This program is distributed in the hope that it will be useful, but
etisserant@1:  * WITHOUT ANY WARRANTY; without even the implied warranty of
etisserant@1:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
etisserant@1:  * Public License for more details.
etisserant@1:  *
etisserant@1:  * This code is made available on the understanding that it will not be
etisserant@1:  * used in safety-critical situations without a full and competent review.
etisserant@1:  */
etisserant@1: 
etisserant@1: 
etisserant@1: #ifndef __PLC_TYPES_H
etisserant@1: #define __PLC_TYPES_H
etisserant@1: 
etisserant@1: #include <limits.h>
etisserant@1: #include <float.h>   /* some limits related to floats are located here (?) */
etisserant@1: 
etisserant@1: 
etisserant@1: /*
etisserant@1:  * This will need to be conditional on the arquitecture or something.
etisserant@1:  * Anyone know where we can snarf the relevant magic easily?
etisserant@1:  */
etisserant@1: typedef double                 f64; /* 64-bit floating point   */
etisserant@1: typedef float                  f32; /* 32-bit floating point   */
etisserant@1: 
etisserant@1: typedef unsigned long long int u64; /* 64-bit unsigned integer */
etisserant@1: typedef long long int          i64; /* 64-bit signed integer   */
etisserant@1: typedef unsigned int           u32; /* 32-bit unsigned integer */
etisserant@1: typedef int                    i32; /* 32-bit signed integer   */
etisserant@1: typedef unsigned short int     u16; /* 16-bit unsigned integer */
etisserant@1: typedef short int              i16; /* 16-bit signed integer   */
etisserant@1: typedef unsigned char          u8;  /*  8-bit unsigned integer */
etisserant@1: typedef signed char            i8;  /*  8-bit signed integer   */
etisserant@1: 
etisserant@1: /* some platforms seem to be missing <float.h> with the definition of FLT_MAX */
etisserant@1: #ifndef FLT_MAX
etisserant@1:   /* this is the minimum value guaranteed by ANSI C++           */
etisserant@1:   /* does anybody know the minimum value guaranteed for ANSI C ? */
etisserant@1: #define FLT_MAX 1E+37
etisserant@1: #endif
etisserant@1: #ifndef FLT_MIN
etisserant@1:   /* this is the minimum value guaranteed by ANSI C++           */
etisserant@1:   /* does anybody know the minimum value guaranteed for ANSI C ? */
etisserant@1: #define FLT_MIN 1E-37
etisserant@1: #endif
etisserant@1: 
etisserant@1: #define f32_MAX FLT_MAX
etisserant@1: #define f32_MIN FLT_MIN
etisserant@1: 
etisserant@1: #define u32_MAX UINT_MAX
etisserant@1: #define u32_MIN 0
etisserant@1: #define i32_MAX INT_MAX
etisserant@1: #define i32_MIN INT_MIN
etisserant@1: 
etisserant@1: #define u16_MAX USHRT_MAX
etisserant@1: #define u16_MIN 0
etisserant@1: #define i16_MAX SHRT_MAX
etisserant@1: #define i16_MIN SHRT_MIN
etisserant@1: 
etisserant@1: #define u8_MAX UCHAR_MAX
etisserant@1: #define u8_MIN 0
etisserant@1: #define i8_MAX SCHAR_MAX
etisserant@1: #define i8_MIN SCHAR_MIN
etisserant@1: 
etisserant@1: #endif /* __PLC_TYPES_H */
etisserant@1: