Method shared

libraries/FLE/FLE.cpp:167–191

FLE FLE::shared(FLE a)
{
  float v, e;
  // six possible cases.
  // case 1, 6
  if ((*this < a) || (*this > a)) return FLE(NAN, NAN);  // no overlap

  // case 3, 4
  if (a.in(*this)) return a;
  if (this->in(a)) return *this;

  // case 2
  if (low() < a.low())
  {
    v = (a.low() + high())/2;
    e = v - a.low();
  }
  // case 5
  else
  {
    v = (low() + a.high())/2;
    e = v - low();
  }
  return FLE(v, e);
}


FLE FLE::lower(FLE a)