/// <summary>
/// Checks whether the number is not a NaN or an Infinity.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="calculator"></param>
/// <param name="num"></param>
/// <returns></returns>
public static bool isNormalNumber <T>(this ICalc <T> calculator, T num)
{
return(!calculator.isNaN(num) && !calculator.isNegInf(num) && !calculator.isPosInf(num));
}
