public static string DoOperation(string s) // Возвращает ответ в виде строки
{
try
{
string[] operands = GetOperands(s);
string operation = GetOperation(s)[0];
string answer = "";
if (operation == "reverse" || operation == "Sqrt" || operation == "division" || operation == "expX" ||
operation == "sin" || operation == "Cos" || operation == "tg" || operation == "Sqr" || operation == "factor")
{
answer = SingleOperation[operation](double.Parse(operands[0])).ToString();
}
else if (operation == "π" || operation == "e")
{
answer = Print(s);
}
else
{
answer = DoubleOperation[operation](double.Parse(operands[0]), double.Parse(operands[1])).ToString();
}
return(answer);
}
catch
{
string answer = "Ошибка";
return(answer);
}
}
public static string DoOperation(string s)
{
try
{
string[] operands = GetOperands(s); //получить операнды
string operation = GetOperation(s)[0]; //получить операцию
string res = "";
if (operation == "=") //если число отрицательное, минус относится к числу, а не к операции
{
operation = operation.Remove(operation.Length - 1);
operation += "+"; //при вычитании прибавляется отрицательное число
}
if (operation == "+" || operation == "-" || operation == "*" || operation == "/" || operation == "mod" || operation == "div" || operation == "^")
{
res = DoubleOperation[operation](double.Parse(operands[0]), double.Parse(operands[1])).ToString();
}
else
{
res = SingleOperation[operation](double.Parse(operands[0])).ToString();
}
return(res); //вычислить и получить строку
}
catch
{
return("Ошибка");
}
}
public static string DoOperation(string s)
{
string[] operands = GetOperands(s); //получить операнды
string op = GetOperation(s); //получить операцию
s = DoubleOperation[op](double.Parse(operands[0]), double.Parse(operands[1])).ToString();
return(s); //вычислить и получить строку;
}
public static string DoOperation(string s)
{
string[] operands;
string operation;
operands = GetOperands(s);
operation = GetOperation(s);
s = DoubleOperation[operation](double.Parse(operands[0]), double.Parse(operands[1])).ToString();
return(s);
}
private static IOperationProcessor GetProcessor()
{
var plusOneOperation = new PlusOneOperation();
var plusTwoOperation = new PlusTwoOperation {
LeftSuccesor = plusOneOperation
};
var doubleOperation = new DoubleOperation
{
RightSuccesor = plusOneOperation,
LeftSuccesor = plusTwoOperation
};
return(doubleOperation);
}
static void Main()
{
try
{
// TODO: Create an object of type DoubleOperation providing
// MultipleByTwo as the method to call.
DoubleOperation d = new DoubleOperation(MultiplyByTwo);
Console.WriteLine("{0}\n", d(4));
//Console.WriteLine("{0}\n", MultiplyByTwo(4))
// TODO: Create an object of type DoubleOperation providing
// DivideByFive as the method to call.
d = new DoubleOperation(DivideByFive);
Console.WriteLine("{0}\n", d(75));
//Console.WriteLine("{0}\n", DivideByFive(75));
// TODO: Create an object of type DoubleOperation providing
// SquareNumber as the method to call.
d = new DoubleOperation(SquareNumber);
Console.WriteLine("{0}\n", d(100));
//Console.WriteLine("{0}\n", SquareNumber(100));
// TODO: Create an object of type DoubleOperation providing
// Divide100ByValue as the method to call.
d = new DoubleOperation(Divide100ByValue);
Console.WriteLine("{0}\n", d(0));
//Console.WriteLine("{0}\n", Divide100ByValue(0));
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
Console.Write("\nPress <ENTER> to end: ");
Console.ReadLine();
}
private void Run(Action <DoubleOperation> action, DoubleOperation operation)
{
action.Invoke(operation);
RefreashStats();
}
public MyDouble(double obj)
{
DoubleValue = obj;
Calculator = DoubleOperation.GetInstance();
}
