#include <stdio.h>
#include <float.h>

typedef union  {
     float f;
     unsigned u;
} bit_float_t;

float bit2float(unsigned u) {
  bit_float_t arg;
  arg.u = u;
  return arg.f;
}

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

  //unsigned test = 0;
  //unsigned test = 1234567890;
  int test2 = -1234567890;
  unsigned test = test2; 
  printf("%u %f %f %d\n", test, bit2float(test), (float)test, (int)test);

  return 0;
}