Floating-point Summation

Listing 5: Tie-breaking comparison

int flt_abs_compare(const void * a,
                    const void * b)
{
  float va = *(float *)a;
  float vb = *(float *)b;
  float fa = fabs(va);
  float fb = fabs(vb);
  if (fa < fb)
    return -1;
  else if (fa > fb)
    return 1;
  else if (va < vb)
    return -1;
  else if (va > vb)
    return 1;
  else
    return 0;
}
/* End of File */