author | lbessard |
Tue, 27 Feb 2007 17:24:10 +0100 | |
changeset 18 | e6af5eb5f546 |
parent 1 | 5d893a68be6e |
permissions | -rwxr-xr-x |
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/* |
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* (c) 2000 Jiri Baum |
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* Mario de Sousa |
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* |
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* Offered to the public under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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* Public License for more details. |
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* |
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* This code is made available on the understanding that it will not be |
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* used in safety-critical situations without a full and competent review. |
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*/ |
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#ifndef __PLC_TYPES_H |
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#define __PLC_TYPES_H |
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#include <limits.h> |
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#include <float.h> /* some limits related to floats are located here (?) */ |
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/* |
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* This will need to be conditional on the arquitecture or something. |
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* Anyone know where we can snarf the relevant magic easily? |
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*/ |
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typedef double f64; /* 64-bit floating point */ |
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typedef float f32; /* 32-bit floating point */ |
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typedef unsigned long long int u64; /* 64-bit unsigned integer */ |
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typedef long long int i64; /* 64-bit signed integer */ |
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typedef unsigned int u32; /* 32-bit unsigned integer */ |
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typedef int i32; /* 32-bit signed integer */ |
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typedef unsigned short int u16; /* 16-bit unsigned integer */ |
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typedef short int i16; /* 16-bit signed integer */ |
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typedef unsigned char u8; /* 8-bit unsigned integer */ |
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typedef signed char i8; /* 8-bit signed integer */ |
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/* some platforms seem to be missing <float.h> with the definition of FLT_MAX */ |
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#ifndef FLT_MAX |
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/* this is the minimum value guaranteed by ANSI C++ */ |
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/* does anybody know the minimum value guaranteed for ANSI C ? */ |
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#define FLT_MAX 1E+37 |
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#endif |
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#ifndef FLT_MIN |
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/* this is the minimum value guaranteed by ANSI C++ */ |
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/* does anybody know the minimum value guaranteed for ANSI C ? */ |
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#define FLT_MIN 1E-37 |
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#endif |
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#define f32_MAX FLT_MAX |
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#define f32_MIN FLT_MIN |
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#define u32_MAX UINT_MAX |
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#define u32_MIN 0 |
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#define i32_MAX INT_MAX |
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#define i32_MIN INT_MIN |
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#define u16_MAX USHRT_MAX |
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#define u16_MIN 0 |
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#define i16_MAX SHRT_MAX |
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#define i16_MIN SHRT_MIN |
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#define u8_MAX UCHAR_MAX |
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#define u8_MIN 0 |
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#define i8_MAX SCHAR_MAX |
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#define i8_MIN SCHAR_MIN |
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#endif /* __PLC_TYPES_H */ |
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