/// <summary>
/// Returns a new <see cref="DecimalSize"/> which is big enough to accomodate decimals of <paramref name="first"/> size and those of <paramref name="second"/>.
/// For example if the first is decimal(3,0) and the second is decimal(5,4) then the returned result would be decimal(7,4).
/// </summary>
/// <param name="first"></param>
/// <param name="second"></param>
/// <returns></returns>
public static DecimalSize Combine(DecimalSize first, DecimalSize second)
{
if (first == null)
{
return(second);
}
if (second == null)
{
return(first);
}
var newSize = new DecimalSize();
newSize.IncreaseTo(first);
newSize.IncreaseTo(second);
return(newSize);
}
/// <summary>
/// Expands the instance to accomodate the new size (if expansion is required)
/// </summary>
/// <param name="other"></param>
private void IncreaseTo(DecimalSize other)
{
NumbersBeforeDecimalPlace = Math.Max(NumbersBeforeDecimalPlace, other.NumbersBeforeDecimalPlace);
NumbersAfterDecimalPlace = Math.Max(NumbersAfterDecimalPlace, other.NumbersAfterDecimalPlace);
}
/// <summary>
/// Property based equality
/// </summary>
/// <param name="other"></param>
/// <returns></returns>
protected bool Equals(DecimalSize other)
{
return(NumbersBeforeDecimalPlace == other.NumbersBeforeDecimalPlace && NumbersAfterDecimalPlace == other.NumbersAfterDecimalPlace);
}