float to int

gistfile1.txt

#include <iostream>

int main()
{
  {
    // float to int
    float f = 1;
    int i = *((int*)&f);
    std::cout << i << std::endl;
  }
  {
    // int to float
    int i = 0b11111111111111111111111111111111;
    float f = *((float*)&i);
    std::cout << f << std::endl;
  }
}

/*
result
1065353216
-nan
*/