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/* Example code for Think OS.

Copyright 2014 Allen Downey

License: GNU GPLv3

*/

#include <stdio.h>

#include <stdlib.h>

int main ()

{

union {

float f;

unsigned int u;

} p;

p.f = -13.0;

unsigned int sign = (p.u >> 31) & 1;

unsigned int exp = (p.u >> 23) & 0xff;

unsigned int coef_mask = (1 << 23) - 1;

unsigned int coef = p.u & coef_mask;

printf("%d\n", sign);

printf("%d\n", exp);

printf("0x%x\n", coef);

return 0;

}