public static ScaleFactor Max (ScaleFactor lhs, ScaleFactor rhs) { if (lhs > rhs) { return lhs; } else { return lhs; } }
public static ScaleFactor Min (ScaleFactor lhs, ScaleFactor rhs) { if (lhs < rhs) { return lhs; } else { return rhs; } }
public static ScaleFactor UseIfValid (int numerator, int denominator, ScaleFactor lastResort) { if (numerator <= 0 || denominator <= 0) { return lastResort; } else { return new ScaleFactor (numerator, denominator); } }
public static ScaleFactor Max (int n1, int d1, int n2, int d2, ScaleFactor lastResort) { ScaleFactor a = UseIfValid (n1, d1, lastResort); ScaleFactor b = UseIfValid (n2, d2, lastResort); return ScaleFactor.Max (a, b); }