How many floats between -1 and 1?

floats.c

#include <stdint.h>
#include <stdio.h>

typedef union {
    uint32_t a;
    float b;
} float_or_int;

int main() {
    float_or_int u;
    uint32_t between_n1p1 = 0;
    uint32_t between_p2p4 = 0;
    uint32_t i = 0;
    while (1) {
        u.a = i;
        if (u.b >= -1 && u.b <= 1) {
            between_n1p1++;
        }
        if (u.b >= 2 && u.b <= 4) {
            between_p2p4++;
        }
        if (i == 0xffffffff) {
            break;
        }
        i++;
    }
    printf("%d\n", between_n1p1);
    printf("%d\n", between_p2p4);
    return 0;
}