C++

In the following program:

#define _CRT_SECURE_NO_WARNINGS

#include

#include

int main()

{

int i;

float n, x;

n = 1.0;

for (i = 0; i <= 129; i++)

{

n = n * 2.0;

x = 1.0 / n;

printf("%d %e %E ", i, x, n);

}

return 0;

}

Can someone explain to me (in the output):

1-Considering the smallest possible normalized value, what is happening at line 126?

2-What is happening at line 127?

3-What is happening at line 128?

Could you expand your answer in terms of overflow and underflow in floating points?