haas:fall2020:common:datatyperanges
C/C++ Data Types and Ranges
- 1
#include <stdio.h> int main() { // Variable declarations // signed char sc = 0; unsigned char uc = 0; // Find the max value for a signed char (half of the max of an unsigned char) // sc = ((unsigned char)(uc-1)/2) + 1; fprintf(stdout, "TYPE: unsigned char\n-------------------\n"); fprintf(stdout, "\tsize: %hhu bytes\n", sizeof(unsigned char)); fprintf(stdout, "\t low: %hhu\n", uc); fprintf(stdout, "\thigh: %hhu\n", (uc-1)); // max of unsigned is 1 less than 0-- roll-over fprintf(stdout, "-------------------\n\n"); fprintf(stdout, "TYPE: signed char\n-------------------\n"); fprintf(stdout, "\tsize: %hhu bytes\n", sizeof(signed char)); fprintf(stdout, "\t low: %hhd\n", (sc-1)); fprintf(stdout, "\thigh: %hhd\n", sc); fprintf(stdout, "-------------------\n\n"); return(0); }
haas/fall2020/common/datatyperanges.txt · Last modified: 2013/02/22 11:14 by 127.0.0.1