1  extern void exit (int);
       2  extern void abort (void);
       3  float x = -1.5f;
       4  
       5  float
       6  rintf ()
       7  {
       8    static const float TWO23 = 8388608.0;
       9  
      10    if (__builtin_fabs (x) < TWO23)
      11      {
      12        if (x > 0.0)
      13          {
      14            x += TWO23;
      15            x -= TWO23;
      16          }
      17        else if (x < 0.0)
      18          {
      19            x = TWO23 - x;
      20            x = -(x - TWO23);
      21          }
      22      }
      23  
      24    return x;
      25  }
      26  
      27  int main (void)
      28  {
      29    if (rintf () != -2.0)
      30      abort ();
      31    exit (0);
      32  }