Someone please explain this code to me. Explain in detail please. Thanks /*

* divide-power2.c

*/

#include

#include

#include

/*

* Divide by power of 2, -> x/2^k

* Assume 0 <= k < w-1

*/

int divide_power2(int x, int k) {

int is_neg = x & INT_MIN;

(is_neg && (x = x + (1 << k) - 1));

return x >> k;

}

int main(int argc, char* argv[]) {

int x = 0x80000007;

assert(divide_power2(x, 1) == x / 2);

assert(divide_power2(x, 2) == x / 4);

return 0;

}