public RationalFraction Minus(RationalFraction b)
{
RationalFraction reducedFractionA, reducedFractionB; //дроби приведенные к знаменателю
ReductionDenominator(this, b, out reducedFractionA, out reducedFractionB);
return(new RationalFraction(reducedFractionA.numerator - reducedFractionB.numerator, reducedFractionA.denominator));
}
//приведение к общему знаменателю
public static void ReductionDenominator(RationalFraction rfA, RationalFraction rfB, out RationalFraction rfC, out RationalFraction rfD)
{
if (!(rfA.denominator == rfB.denominator))
{
rfC = new RationalFraction(rfA.numerator * rfB.denominator, rfA.denominator * rfB.denominator);
rfD = new RationalFraction(rfB.numerator * rfA.denominator, rfA.denominator * rfB.denominator);
}
else
{
rfC = new RationalFraction(rfA.numerator, rfA.denominator);
rfD = new RationalFraction(rfB.numerator, rfB.denominator);
}
}
private static RrFunction BinaryOp(SplineInterpoler left, SplineInterpoler right, FracBinaryOp binaryOp)
{
double[] mergedPillars = ArrayUtils.MergeSortedArray(left.pillars, right.pillars);
var binOpElems = mergedPillars.Select(p =>
{
RationalFraction leftElem = BasedSpline(left.stepSplines, p);
RationalFraction rightElem = BasedSpline(right.stepSplines, p);
return(binaryOp(leftElem, rightElem));
}).ToArray();
RationalFraction leftExtrapol = BasedExtrapol(left.stepSplines, mergedPillars.First());
RationalFraction rightExtrapol = BasedExtrapol(right.stepSplines, mergedPillars.First());
RationalFraction binOpExtrapol = binaryOp(leftExtrapol, rightExtrapol);
var stepSplines = new StepFunction <RationalFraction>(mergedPillars, binOpElems, binOpExtrapol);
return(new SplineInterpoler(stepSplines));
}
static void Task3()
{
string Welcome = "Вы выбрали задачу работы с комплексными числами\n";
Welcome = Welcome + "Это так весело!\n";
Welcome = Welcome + "Давайте начнем.\n";
Welcome = Welcome + "1 - Сложение дробей\n";
Welcome = Welcome + "2 - Вычитание дробей\n";
Welcome = Welcome + "3 - Умножение дробей\n";
Welcome = Welcome + "4 - Деление дробей\n";
Welcome = Welcome + "0 - Выход в предыдущее меню\n";
ClassLibraryLesson3.PrintTaskWelcomeScreen(Welcome);
bool menuExit = false;
#region инициализация переменных
RationalFraction frA = new RationalFraction(6, 3);
RationalFraction frB = new RationalFraction(3, 4);
#endregion инициализация переменных
while (!(menuExit))
{
ClassLibraryLesson3.PrintTaskWelcomeScreen(Welcome);
ConsoleKeyInfo userChooseKey = Console.ReadKey(true);
switch (userChooseKey.Key)
{
case ConsoleKey.D1:
case ConsoleKey.NumPad1:
ClassLibraryLesson3.Print($"Операция: дробь: <{frA.ToString()}> + дробь: <{frB.ToString()}> = <{frA.Plus(frB).ToString(true)}>");
break;
case ConsoleKey.D2:
case ConsoleKey.NumPad2:
ClassLibraryLesson3.Print($"Операция: дробь: <{frA.ToString()}> - дробь: <{frB.ToString()}> = <{frA.Minus(frB).ToString(true)}>");
break;
case ConsoleKey.D3:
case ConsoleKey.NumPad3:
ClassLibraryLesson3.Print($"Операция: дробь: <{frA.ToString()}> * дробь: <{frB.ToString()}> = <{frA.Multi(frB).ToString(true)}>");
break;
case ConsoleKey.D4:
case ConsoleKey.NumPad4:
ClassLibraryLesson3.Print($"Операция: дробь: <{frA.ToString()}> / дробь: <{frB.ToString()}> = <{frA.Dev(frB).ToString(true)}>");
break;
case ConsoleKey.D0:
case ConsoleKey.NumPad0:
menuExit = true; // на выход
break;
}
if (!(menuExit))
{
ClassLibraryLesson3.Pause("Нажмите любую клавишу.");
}
}
}
public RationalFraction Dev(RationalFraction b)
{
return(new RationalFraction(this.numerator * b.denominator, this.denominator * b.numerator));
}
//упрощение дроби через НОД
public static RationalFraction Simplification(RationalFraction fr)
{
int nod = GetNOD(fr.numerator, fr.denominator);
return(new RationalFraction(fr.numerator / nod, fr.denominator / nod));
}
public static Complex Evaluate(RationalFraction f, Complex x)
{
return(Evaluate(f.Top, x) / Evaluate(f.Bottom, x));
}