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

#define ARRAY_SIZE 16

#include <stdbool.h>

int compare_as_bool() {
    short array1[ARRAY_SIZE] = {0,1, -2, 3, -4, 5, -6, 7, -8, 9, -10, 11, -12, 13, -14, 15};
    short array2[ARRAY_SIZE] = {0,1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
    bool flag1[ARRAY_SIZE];
    bool flag2[ARRAY_SIZE];

    // Initialize flag arrays
    for (int i = 0; i < ARRAY_SIZE; i++) {
        flag1[i] = (array1[i] >= 0) ? true : false;
        flag2[i] = (array2[i] >= 0) ? true : false;
    }

    // Print flags
    // 
    printf("flag1 = ");
    for (int i = ARRAY_SIZE-1; i >=0; i--) {
        printf("%d,",flag1[i]);
    }
    printf("\nflag2 = ");
    for (int i = ARRAY_SIZE-1; i >= 0; i--) {
        printf("%d,",flag2[i]);
    }
    printf("\nBoth  = ");
    // Check if the ith element in both arrays is positive
    for (int i = ARRAY_SIZE-1; i >= 0; i--) {
        if (flag1[i] && flag2[i]) 
            printf("1,");
            else 
            printf("0,");
        }
    return 0;
}

void compare_as_bit() {
    short array1[ARRAY_SIZE] = {0,1, -2, 3, -4, 5, -6, 7, -8, 9, -10, 11, -12, 13, -14, 15};
    short array2[ARRAY_SIZE] = {0,1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
    uint16_t flag1 = 0;
    uint16_t flag2 = 0;

    // Initialize flag variables
    for (int i = 0; i < ARRAY_SIZE; i++) {
        if (array1[i] >= 0) {
            flag1 |= (1 << i);
        }
        if (array2[i] >= 0) {
            flag2 |= (1 << i);
        }
    }
    // Print flags as binary
    printf("\nflag1 = 0x%x, flag2 = 0x%x\n", flag1, flag2);

    // Use bitwise and operator to check if the ith element in both arrays is positive
    uint16_t both_positive = flag1 & flag2;

    printf("Both positive = 0x%x", flag1 & flag2);

    // print both positibe bit by bit
    // for (int i = 0; i < ARRAY_SIZE; i++) {
    //     if (both_positive & (1 << i)) {
    //         printf("1,");
    //     } else {
    //         printf("0,");
    //     }
    // }

}
int main() {
    compare_as_bool();
    compare_as_bit();
    return 0;
}