/// <summary>
///
/// </summary>
/// <param name="aSpecies"></param>
/// <returns></returns>
public static double GetInitialAmount(Species aSpecies)
{
double anInitialAmount_Sp;
if (aSpecies.isSetInitialAmount())
anInitialAmount_Sp = aSpecies.getInitialAmount();
else
anInitialAmount_Sp = double.NaN;
return anInitialAmount_Sp;
}