static void Main(string[] args)
{
RationalNumber number1 = new RationalNumber(3, 5); // example for constructor
RationalNumber numbGetByMethod1 = RationalNumber.GetObjectByString("2/5"); // examples for method that takes string and returns
RationalNumber numbGetByMethod2 = RationalNumber.GetObjectByString("2.5"); // object (uses regular expressions)
RationalNumber numbGetByMethod3 = RationalNumber.GetObjectByString("4/10");
Console.WriteLine(numbGetByMethod1 > numbGetByMethod2); // examples for overloading operators
Console.WriteLine(numbGetByMethod1 < numbGetByMethod2);
Console.WriteLine(numbGetByMethod1 + numbGetByMethod2);
Console.WriteLine(numbGetByMethod1.ToString("A")); // example for overloading ToString method.
Console.WriteLine(numbGetByMethod2.ToString("B")); // it also takes parameter(A\B\C) to
Console.WriteLine(numbGetByMethod1.ToString("C")); // display string in different formats
if (numbGetByMethod1.Equals(numbGetByMethod3)) // example for overloading the interface of comparison
{
Console.WriteLine("numbers are equal");
}
int x = (int)numbGetByMethod2; // examples for explicit\implicit casting to other types
Console.WriteLine(x);
double y = (double)numbGetByMethod1;
Console.WriteLine(y);
RationalNumber number2 = 24;
RationalNumber number5 = 2.4;
Console.WriteLine(number5.ToString("A"));
}
static void Main(string[] args)
{
RationalNumber n1 = new RationalNumber(5, 7);
RationalNumber n2 = new RationalNumber(5, 2);
RationalNumber n = n1 + n2;
Console.WriteLine($"{n1} + {n2} = " + n);
n = n1 - n2;
Console.WriteLine($"{n1} - {n2} = " + n.ToString("."));
n = n1 * n2;
Console.WriteLine($"{n1} * {n2} = " + n);
n = n1 / n2;
Console.WriteLine($"{n1} / {n2} = " + n);
Console.WriteLine($"{n1} > {n2} - " + (n1 > n2));
Console.WriteLine($"{n1} < {n2} - " + (n1 < n2));
Console.WriteLine($"{n1} == {n2} - " + (n1 == n2));
Console.WriteLine($"{n1} != {n2} - " + (n1 != n2));
Console.WriteLine("parse -1.5 " + RationalNumber.Parse("-1.5"));
Console.WriteLine("parse -1/3 " + RationalNumber.Parse("-1/3"));
n.Reduce();
Console.WriteLine("reduce 10/35 " + n);
Console.WriteLine($"(int){n} " + (int)n);
Console.WriteLine($"(double){n} " + (double)n);
}
static void Main(string[] args)
{
RationalNumber number1 = new RationalNumber(2, 5);
RationalNumber number2 = new RationalNumber(5, 2);
Console.WriteLine("Number1 : {0}", number1.ToString(RationalNumber.RepresentationVariant.Fraction));
Console.WriteLine("Number2 : {0} \n", number2.ToString(RationalNumber.RepresentationVariant.Fraction));
//Arithmetical operations
Console.WriteLine("Number1 + Number2 = {0}", (number1 + number2).ToString(RationalNumber.RepresentationVariant.Fraction));
Console.WriteLine("Number1 - Number2 = {0}", (number1 - number2).ToString(RationalNumber.RepresentationVariant.Fraction));
Console.WriteLine("Number1 * Number2 = {0}", (number1 * number2).ToString(RationalNumber.RepresentationVariant.Fraction));
Console.WriteLine("Number1 / Number2 = {0}\n", (number1 / number2).ToString(RationalNumber.RepresentationVariant.Fraction));
//Comparison operations
Console.WriteLine("Number1 > Number2 = {0}", number1 > number2);
Console.WriteLine("Number1 <= Number2 = {0}", number1 <= number2);
Console.WriteLine("Number1 == Number2 = {0}", number1 == number2);
Console.WriteLine("Number1 != Number2 = {0} \n", number1 != number2);
//Getting numbers from strings
string case1 = "15/3";
string case2 = "-7/2";
string case3 = "1.3615";
string case4 = "-5.";
RationalNumber number3 = RationalNumber.StringToNumber(case1);
RationalNumber number4 = RationalNumber.StringToNumber(case2);
RationalNumber number5 = RationalNumber.StringToNumber(case3);
RationalNumber number6 = RationalNumber.StringToNumber(case4);
Console.WriteLine(@"Number 3 string variant : ""{0}"" and Number 3 deciaml fraction variant : {1}",
case1, number3.ToString(RationalNumber.RepresentationVariant.DecimalFraction));
Console.WriteLine(@"Number 4 string variant : ""{0}"" and Number 4 deciaml fraction variant : {1}",
case2, number4.ToString(RationalNumber.RepresentationVariant.DecimalFraction));
Console.WriteLine(@"Number 5 string variant : ""{0}"" and Number 5 deciaml fraction variant : {1}",
case3, number5.ToString(RationalNumber.RepresentationVariant.DecimalFraction));
Console.WriteLine(@"Number 6 string variant : ""{0}"" and Number 6 deciaml fraction variant : {1}",
case4, number6.ToString(RationalNumber.RepresentationVariant.DecimalFraction));
//Explicit/implicit operators
RationalNumber number7 = 3.1;
RationalNumber number8 = 7.99;
int a = (int)number8;
double b = (double)number7;
Console.WriteLine($"Number7 : {number7.ToString(RationalNumber.RepresentationVariant.Fraction)} \n" +
$"Number8 : {number8.ToString(RationalNumber.RepresentationVariant.Fraction)} \n" +
$"a = {a}, b = {b} \n");
Console.WriteLine("double b = {1} from Number7 : {0} ", number7.ToString(RationalNumber.RepresentationVariant.Fraction), b);
Console.WriteLine("int a = {1} from Number8 : {0}\n", number8.ToString(RationalNumber.RepresentationVariant.Fraction), a);
// Demonstration of overrided CompareTo method of IComparable inteface
double c = 6.185;
double d = c * 0.1 / 0.1;
RationalNumber number9 = c;
RationalNumber number10 = d;
Console.WriteLine("c = {0}\nd = {1}", c, d);
Console.WriteLine("Default comparison method of c & d = {0}", c.CompareTo(d) == 0);
Console.WriteLine("My comparison method of c & d = {0}", number9.CompareTo(number10) == 0);
}
static void Main(string[] args)
{
RationalNumber a = new RationalNumber(15, 30);
RationalNumber b = new RationalNumber(10, 8);
RationalNumber c = new RationalNumber(8, 4);
RationalNumber d = new RationalNumber(34, 17);
RationalNumber[] rationalNumbers = new RationalNumber[] { a, b, c, d };
foreach (RationalNumber i in rationalNumbers)
{
RationalNumber.reduceFraction(i);
}
Array.Sort(rationalNumbers);
foreach (RationalNumber i in rationalNumbers)
{
RationalNumber.getType(i, "in decimal");
}
Console.WriteLine();
Console.WriteLine(a > b);
Console.WriteLine(d < c);
Console.WriteLine(d == c);
Console.WriteLine(b.Equals(d));
Console.WriteLine(d.Equals(c));
Console.WriteLine();
RationalNumber rationalNumber = new RationalNumber();
rationalNumber = a + b;
RationalNumber.reduceFraction(rationalNumber);
RationalNumber.getType(rationalNumber, "with fractions");
Console.WriteLine();
rationalNumber = a - b;
RationalNumber.reduceFraction(rationalNumber);
RationalNumber.getType(rationalNumber, "with fractions");
Console.WriteLine();
rationalNumber = a * b;
RationalNumber.reduceFraction(rationalNumber);
RationalNumber.getType(rationalNumber, "with fractions");
Console.WriteLine();
rationalNumber = a / b;
RationalNumber.reduceFraction(rationalNumber);
RationalNumber.getType(rationalNumber, "with fractions");
Console.WriteLine();
a++;
RationalNumber.reduceFraction(rationalNumber);
RationalNumber.getType(a, "with fractions");
Console.WriteLine();
a--;
RationalNumber.reduceFraction(rationalNumber);
RationalNumber.getType(a, "with fractions");
Console.WriteLine();
rationalNumber = a + 10;
RationalNumber.reduceFraction(rationalNumber);
RationalNumber.getType(rationalNumber, "with fractions");
Console.WriteLine();
int buf1;
double buf2;
buf1 = a;
Console.WriteLine(buf1);
buf2 = (double)a;
Console.WriteLine(buf2 + "\n");
Console.WriteLine(a.ToString("in decimal"));
Console.WriteLine(a.ToString("with fractions"));
Console.WriteLine();
RationalNumber num = new RationalNumber();
string str = "99/17";
num = (RationalNumber)str;
RationalNumber.getType(num, "with fractions");
Console.WriteLine();
string inputStr = Console.ReadLine();
string[] rationalNumbers1 = inputStr.Split(' ');
List<RationalNumber> listNumbers = new List<RationalNumber>();
RationalNumber.processStr(rationalNumbers1, listNumbers);
foreach (RationalNumber i in listNumbers)
{
Console.WriteLine(i.ToString("in decimal"));
}
}
static void Main(string[] args)
{
RationalNumber number1, number2;
int numerator1, denominator1;
Console.WriteLine("Здравствуйте!");
Console.WriteLine("Введите числитель первой рациональной дроби:");
numerator1 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Введите знаменатель первой рациональной дроби:");
denominator1 = Convert.ToInt32(Console.ReadLine());
number1 = new RationalNumber(numerator1, denominator1);
Console.WriteLine("Введите второе число в формате a/b");
string form = Console.ReadLine();
number2 = new RationalNumber(form);
while (true)
{
Console.WriteLine();
Console.WriteLine("Выберите действие:");
Console.WriteLine("1.Сложение");
Console.WriteLine("2.Вычетание");
Console.WriteLine("3.Умнажение");
Console.WriteLine("4.Деление");
Console.WriteLine("5.Вывести большее число");
Console.WriteLine("6.Вывести меньшее число");
Console.WriteLine("7.Проверить числа на равенство");
Console.WriteLine("8.Преобразовать в int");
Console.WriteLine("9.Преобразовать в double");
Console.WriteLine("10.Завешить работу");
int otvet = Convert.ToInt32(Console.ReadLine());
Console.Clear();
switch (otvet)
{
case 1: Console.WriteLine($"{(number1 + number2).ToString()}"); break;
case 2: Console.WriteLine($"{(number1 - number2).ToString()}"); break;
case 3: Console.WriteLine($"{(number1 * number2).ToString()}"); break;
case 4: Console.WriteLine($"{(number1 / number2).ToString()}"); break;
case 5:
if (number1 > number2)
{
Console.WriteLine($"{number1.ToString()}");
}
else
{
Console.WriteLine($"{number2.ToString()}");
}
break;
case 6:
if (number1 < number2)
{
Console.WriteLine($"{number1.ToString()}");
}
else
{
Console.WriteLine($"{number2.ToString()}");
}
break;
case 7:
if (number1 == number2)
{
Console.WriteLine("Числа равны");
}
else
{
Console.WriteLine("Числа не равны");
}
break;
case 8: Console.WriteLine($"{(int)number1} {(int)number2}"); break;
case 9: Console.WriteLine($"{(double)number1} {(double)number2}"); break;
case 10: return;
default:
break;
}
}
}
