public static string performCases(string fractionAString, string fractionBString, string sign)
{
FractionClass fractionA = new FractionClass();
FractionClass fractionB = new FractionClass();
FractionClass solution = new FractionClass();
fractionA.setFractionFromString(fractionAString);
fractionB.setFractionFromString(fractionBString);
switch (sign)
{
case Const.PLUS_SYMBOL_STRING:
solution = FractionAddition.Add(fractionA, fractionB);
break;
case Const.MINUS_SYMBOL_STRING:
solution = FractionSubstraction.Substract(fractionA, fractionB);
break;
case Const.MULTIPLY_SYMBOL_STRING:
solution = FractionMultiplication.Multiply(fractionA, fractionB);
break;
case Const.DIVIDE_SYMBOL_STRING:
solution = FractionDivision.Divide(fractionA, fractionB);
break;
}
return solution.returnFractionAsString();
}
public static FractionClass Multiply(FractionClass a, FractionClass b)
{
FractionClass solution = new FractionClass();
solution.numerator = a.numerator * b.numerator;
solution.denominator = a.denominator * b.denominator;
return solution;
}
public static string calculateWithNonFractionA(string nonFractionA, string fractionB, string sign)
{
FractionClass fractionA = new FractionClass();
fractionA.convertNumberToFraction(nonFractionA);
string result = "0";
result = performCases(fractionA.returnFractionAsString(), fractionB, sign);
return result;
}
public static FractionClass Divide(FractionClass a, FractionClass b)
{
FractionClass solution = new FractionClass();
solution.numerator = a.numerator * b.denominator;
solution.denominator = a.denominator * b.numerator;
return a;
}
public static FractionClass Substract(FractionClass a, FractionClass b)
{
FractionClass solution = new FractionClass();
if (a.denominator == b.denominator)
{
solution.numerator = a.numerator - b.numerator;
solution.denominator = a.denominator;
}
else
{
int LCM = FractionLCM.GetLeastCommonMultiple(a.denominator, b.denominator);
solution.denominator = LCM;
solution.numerator = a.numerator * LCM / a.denominator - b.numerator * LCM / b.denominator;
}
return solution;
}
