main.cpp

00001 // http://home.att.net/~jackklein/c/inttypes.html
00002 
00003 #include "mbed.h"
00004 #include "limits.h"
00005 
00006 volatile int char_min = CHAR_MIN;
00007 
00008 int main() {
00009 
00010     printf("Size of Boolean type is %d byte(s)\n\n",
00011            (int)sizeof(_Bool));
00012 
00013     printf("Number of bits in a character: %d\n",
00014            CHAR_BIT);
00015     printf("Size of character types is %d byte\n",
00016            (int)sizeof(char));
00017     printf("Signed char min: %d max: %d\n",
00018            SCHAR_MIN, SCHAR_MAX);
00019     printf("Unsigned char min: 0 max: %u\n",
00020            (unsigned int)UCHAR_MAX);
00021 
00022     printf("Default char is ");
00023     if (char_min < 0)
00024         printf("signed\n\n");
00025     else if (char_min == 0)
00026         printf("unsigned\n\n");
00027     else
00028         printf("non-standard\n\n");
00029 
00030     printf("Size of short int types is %d bytes\n",
00031            (int)sizeof(short));
00032     printf("Signed short min: %d max: %d\n",
00033            SHRT_MIN, SHRT_MAX);
00034     printf("Unsigned short min: 0 max: %u\n\n",
00035            (unsigned int)USHRT_MAX);
00036 
00037     printf("Size of int types is %d bytes\n",
00038            (int)sizeof(int));
00039     printf("Signed int min: %d max: %d\n",
00040            INT_MIN, INT_MAX);
00041     printf("Unsigned int min: 0 max: %u\n\n",
00042            (unsigned int)UINT_MAX);
00043 
00044     printf("Size of long int types is %d bytes\n",
00045            (int)sizeof(long));
00046     printf("Signed long min: %ld max: %ld\n",
00047            LONG_MIN, LONG_MAX);
00048     printf("Unsigned long min: 0 max: %lu\n\n",
00049            ULONG_MAX);
00050 
00051     printf("Size of long long types is %d bytes\n",
00052            (int)sizeof(long long));
00053     printf("Signed long long min: %lld max: %lld\n",
00054            LLONG_MIN, LLONG_MAX);
00055     printf("Unsigned long long min: 0 max: %llu\n",
00056            ULLONG_MAX);
00057 
00058     printf("Size of float types is %d bytes\n",
00059            (int)sizeof(float));
00060     printf("Size of double types is %d bytes\n",
00061            (int)sizeof(double));
00062     printf("Size of long double types is %d bytes\n",
00063            (int)sizeof(long double));
00064 
00065 }