author | Markus Bröker <mbroeker@largo.dyndns.tv> |
Thu, 16 Apr 2009 12:49:11 +0200 | |
changeset 39 | 46d7ec9d63bd |
parent 29 | 7abf6146898e |
child 77 | 49e0babccb23 |
permissions | -rw-r--r-- |
/** * test/demos/data_types.c * Copyright (C) 2008 Markus Broeker */ #include <stdio.h> #include <stdlib.h> #include <math.h> #include <limits.h> #include <float.h> typedef unsigned char UCHAR; typedef signed char SCHAR; typedef unsigned short USHORT; typedef signed short SSHORT; typedef unsigned int UINT; typedef signed int SINT; typedef unsigned long ULONG; typedef signed long SLONG; #ifdef __USE_ISOC99 typedef unsigned long long ULLONG; typedef signed long long SLLONG; #endif int main (int argc, char **argv) { printf ("%20s %4s %20s %25s\n\n", "Type", "BITS", "MIN", "MAX"); printf ("%20s %4d %20d %25d\n", " signed char", 8 * sizeof (SCHAR), CHAR_MIN, CHAR_MAX); printf ("%20s %4d %20d %25d\n", " signed short", 8 * sizeof (SSHORT), SHRT_MIN, SHRT_MAX); printf ("%20s %4d %20d %25d\n", " signed int", 8 * sizeof (SINT), INT_MIN, INT_MAX); printf ("%20s %4d %20ld %25ld\n", " signed long", 8 * sizeof (SLONG), LONG_MIN, LONG_MAX); #ifdef __USE_ISOC99 printf ("%20s %4d %20lld %25lld\n\n", " signed llong", 8 * sizeof (SLLONG), (SLLONG) LLONG_MIN, LLONG_MAX); #endif printf ("%20s %4d %20d %25u\n", " unsigned char", 8 * sizeof (UCHAR), 0, UCHAR_MAX); printf ("%20s %4d %20d %25u\n", "unsigned short", 8 * sizeof (USHORT), 0, USHRT_MAX); printf ("%20s %4d %20d %25u\n", " unsigned int", 8 * sizeof (UINT), 0, UINT_MAX); printf ("%20s %4d %20lu %25lu\n", " unsigned long", 8 * sizeof (ULONG), 0UL, ULONG_MAX); #ifdef __USE_ISOC99 printf ("%20s %4d %20llu %25llu\n", "unsigned llong", 8 * sizeof (ULLONG), 0ULL, ULLONG_MAX); #endif #ifdef __USE_ISOC99 printf ("\n%20s %4d %20d %20d\n", "_Bool", 8 * sizeof (_Bool), 0, 1); #endif printf ("\n%20s %4d \t\t %#1.2g \t\t %#1.2g\n", "float", 8 * sizeof (float), (double)FLT_MIN, (double)FLT_MAX); printf ("%20s %4d \t\t %#1.2g \t\t %#1.2g\n", "double", 8 * sizeof (double), (double)DBL_MIN, (double)DBL_MAX); return EXIT_SUCCESS; }