/// <summary>
/// Determine which item's index is the value.
/// </summary>
public override void RowInit()
{
for (int i = 0; i < _items.Count; i++)
{
NominalItem item = _items[i];
if (item.IsInRange())
{
_currentValue = i;
break;
}
}
if (_equilateral == null)
{
_equilateral = new Equilateral(_items.Count, _high,
_low);
}
}
/// <summary>
/// Calculate the value for the specified subfield.
/// </summary>
/// <param name="subfield">The subfield to calculate for.</param>
/// <returns>The calculated value for this field.</returns>
public override double Calculate(int subfield)
{
NominalItem item = _items[subfield];
return(item.IsInRange() ? _trueValue : _falseValue);
}