data_types.c
author Markus Bröker <mbroeker@largo.dyndns.tv>
Sat, 13 Dec 2008 17:57:57 +0100
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/**
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 *     $Id: data_types.c,v 1.1.1.1 2008-04-28 17:32:53 mbroeker Exp $
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 * $Source: /development/c/demos/data_types.c,v $
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 *
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 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <limits.h>
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#include <float.h>
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typedef unsigned char UCHAR;
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typedef signed char SCHAR;
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typedef unsigned short USHORT;
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typedef signed short SSHORT;
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typedef unsigned int UINT;
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typedef signed int SINT;
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typedef unsigned long ULONG;
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typedef signed long SLONG;
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#ifdef __USE_ISOC99
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typedef unsigned long long ULLONG;
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typedef signed long long SLLONG;
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#endif
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int main (int argc, char **argv)
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{
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    printf ("%20s %4s %20s %25s\n\n", "Type", "BITS", "MIN", "MAX");
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    printf ("%20s %4d %20d %25d\n", "   signed char", 8 * sizeof (SCHAR), CHAR_MIN, CHAR_MAX);
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    printf ("%20s %4d %20d %25d\n", "  signed short", 8 * sizeof (SSHORT), SHRT_MIN, SHRT_MAX);
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    printf ("%20s %4d %20d %25d\n", "    signed int", 8 * sizeof (SINT), INT_MIN, INT_MAX);
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    printf ("%20s %4d %20ld %25ld\n", "   signed long", 8 * sizeof (SLONG), LONG_MIN, LONG_MAX);
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#ifdef __USE_ISOC99
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    printf ("%20s %4d %20lld %25lld\n\n", "  signed llong", 8 * sizeof (SLLONG), (SLLONG) LLONG_MIN, LLONG_MAX);
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#endif
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    printf ("%20s %4d %20d %25u\n", " unsigned char", 8 * sizeof (UCHAR), 0, UCHAR_MAX);
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    printf ("%20s %4d %20d %25u\n", "unsigned short", 8 * sizeof (USHORT), 0, USHRT_MAX);
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    printf ("%20s %4d %20d %25u\n", "  unsigned int", 8 * sizeof (UINT), 0, UINT_MAX);
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    printf ("%20s %4d %20lu %25lu\n", " unsigned long", 8 * sizeof (ULONG), 0UL, ULONG_MAX);
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#ifdef __USE_ISOC99
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    printf ("%20s %4d %20llu %25llu\n", "unsigned llong", 8 * sizeof (ULLONG), 0ULL, ULLONG_MAX);
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#endif
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#ifdef __USE_ISOC99
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    printf ("\n%20s %4d %20d  %20d\n", "_Bool", 8 * sizeof (_Bool), 0, 1);
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#endif
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    printf ("\n%20s %4d \t\t %#1.2g \t\t %#1.2g\n", "float", 8 * sizeof (float), (double)FLT_MIN, (double)FLT_MAX);
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    printf ("%20s %4d \t\t %#1.2g \t\t %#1.2g\n", "double", 8 * sizeof (double), (double)DBL_MIN, (double)DBL_MAX);
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    return 0;
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}