calcMinMax method

@override void calcMinMax()

Implementation

@override
void calcMinMax() {
  if (_values == null || _values!.isEmpty) return;

  _yMax = -double.infinity;
  _yMin = double.infinity;
  _xMax = -double.infinity;
  _xMin = double.infinity;

  for (T? e in _values!) {
    calcMinMax1(e);
  }
}