ceil method

DD ceil()

Returns the smallest (closest to negative infinity) value that is not less than the argument and is equal to a mathematical integer. Special cases:

• If this value is NaN, returns NaN.

@return the smallest (closest to negative infinity) value that is not less than the argument and is equal to a mathematical integer.

Implementation

DD ceil() {
  if (isNaN()) return NaN;
  double fhi = hi.ceilToDouble();
  double flo = 0.0;
// Hi is already integral.  Ceil the low word
  if (fhi == hi) {
    flo = lo.ceilToDouble();
// do we need to renormalize here?
  }
  return new DD.withHiLo(fhi, flo);
}