static void Main(string[] args)
{
try
{
InputConverter converter = new InputConverter();
CalculatorEngine calc = new CalculatorEngine();
double num1 = converter.ConvertInputToNumeric(Console.ReadLine());
string operation = Console.ReadLine();
double num2 = converter.ConvertInputToNumeric(Console.ReadLine());
double result = calc.Calculate(num1, operation, num2);
Console.WriteLine(result);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
static void Main(string[] args)
{
InputConverter converter = new InputConverter();
CalculatorEngine calculator = new CalculatorEngine();
Console.WriteLine("Welcome to the simple Calculator!");
Console.WriteLine("Please enter your first number");
double first = converter.ConvertInputToNumeric(Console.ReadLine());
Console.WriteLine("Please enter your second number");
double second = converter.ConvertInputToNumeric(Console.ReadLine());
Console.WriteLine("Now enter which operation you would like to do\n Addition: Press 1 \n Subtraction: Press 2\n Multiplication: Press 3\n Division: Press 4");
Int32.TryParse(Console.ReadLine(), out int operation);
double result = calculator.Calculate(operation, first, second);
Console.WriteLine("Your answer is: {0} ", result);
}
static void Main(string[] args)
{
try
{
var inputConverter = new InputConverter();
var calculatorEngine = new CalculatorEngine();
double firstNumber = inputConverter.ConvertInputToNumberic(Console.ReadLine());
double secondNumber = inputConverter.ConvertInputToNumberic(Console.ReadLine());
string operation = Console.ReadLine();
double result = calculatorEngine.Calculate(operation, firstNumber, secondNumber);
Console.WriteLine(result);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
static void Main(string[] args)
{
try
{
InputConverter inputConverter = new InputConverter();
CalculatorEngine calculatorEngine = new CalculatorEngine();
double firstNumber = inputConverter.converInputToNumeric(Console.ReadLine());
double secondNumber = inputConverter.converInputToNumeric(Console.ReadLine());
string operation = Console.ReadLine();
double result = calculatorEngine.Calculate(operation, firstNumber, secondNumber);
Console.WriteLine(result);
}
catch (Exception ex)
{
// in real world we would want to log this message
Console.WriteLine(ex.Message);
}
}
static void Main(string[] args)
{
InputConverter inputConverter = new InputConverter();
CalculatorEngine calculatorEngine = new CalculatorEngine();
try
{
Console.Write("Enter the first number: ");
double firstNumber = inputConverter.ConvertInputToNumeric(Console.ReadLine());
Console.Write("Enter the Second number: ");
double secondNumber = inputConverter.ConvertInputToNumeric(Console.ReadLine());
Console.Write("Enter The operator: ");
string operation = Console.ReadLine();
double result = calculatorEngine.Calculate(operation, firstNumber, secondNumber);
Console.WriteLine($"The result is {result}");
}
catch (Exception ex)
{
//TODO: Start logging exception.
Console.WriteLine(ex.Message);;
}
}
public static void Main()
{
ICalculatorEngine calculator = new CalculatorEngine();
IParser parser = new Parser();
try
{
// ++
calculator.DefineOperation("++", a => a + 1);
// +
calculator.DefineOperation("+", (a, b) => a + b);
calculator.DefineOperation("+", (a, b, c) => a + b + c);
// --
calculator.DefineOperation("--", a => a - 1);
// -
calculator.DefineOperation("-", a => - a);
calculator.DefineOperation("-", (a, b) => a - b);
calculator.DefineOperation("-", (a, b, c) => a - b - c);
//*
calculator.DefineOperation("*", (x, y) => x * y);
// /
var division = new Func <double, double, double>(
(x, y) =>
{
if (y == 0)
{
throw new ArgumentOutOfRangeException();
}
return(x / y);
});
calculator.DefineOperation("/", division);
// pow
calculator.DefineOperation("^", Math.Pow);
// sqrt
var sqrt = new Func <double, double>(
x =>
{
if (x < 0)
{
throw new ArgumentOutOfRangeException();
}
return(Math.Sqrt(x));
});
calculator.DefineOperation("sqrt", sqrt);
// mod
var mod = new Func <double, double, double>(
(x, y) =>
{
if (y == 0)
{
throw new ArgumentOutOfRangeException();
}
return(x % y);
});
calculator.DefineOperation("mod", mod);
// abs
calculator.DefineOperation("abs", Math.Abs);
// min
calculator.DefineOperation("min", Math.Min);
calculator.DefineOperation("min", (x, y, z) => Math.Min(x, Math.Min(y, z)));
//max
calculator.DefineOperation("max", Math.Max);
calculator.DefineOperation("max", (x, y, z) => Math.Max(x, Math.Max(y, z)));
//exp
calculator.DefineOperation("exp", Math.Exp);
//log
var log1 = new Func <double, double>(
x =>
{
if (x <= 0)
{
throw new ArgumentOutOfRangeException();
}
return(Math.Log(x));
});
calculator.DefineOperation("log", log1);
var log2 = new Func <double, double, double>(
(x, y) =>
{
if (x <= 0 || y <= 0 || y == 1)
{
throw new ArgumentOutOfRangeException();
}
return(Math.Log(x, y));
});
calculator.DefineOperation("log", log2);
//log10
var log10 = new Func <double, double>(
x =>
{
if (x <= 0)
{
throw new ArgumentOutOfRangeException();
}
return(Math.Log10(x));
});
calculator.DefineOperation("log10", log10);
}
catch (AlreadyExistsOperationException)
{
Console.WriteLine("This operation already exists in the calculator");
}
var evaluator = new Evaluator(calculator, parser);
Console.WriteLine("Please enter expressions, enter 'exit' to exit: \n");
string line = Console.ReadLine();
while (line != "exit")
{
if (line == null || line.Trim().Length == 0)
{
break;
}
try
{
Console.WriteLine("= " + evaluator.Calculate(line) + "\n");
Console.WriteLine("Please enter expressions, enter 'exit' to exit: \n");
line = Console.ReadLine();
}
catch (NotFoundOperationException)
{
Console.WriteLine("This operation was not found in the calculator");
break;
}
catch (ArgumentOutOfRangeException)
{
Console.WriteLine("The operation cannot be performed with these parameters");
break;
}
catch (ParametersCountMismatchException)
{
Console.WriteLine("Invalid number of parameters for this operation");
break;
}
catch (IncorrectParametersException)
{
Console.WriteLine("There are no parameters in the entered string");
break;
}
catch (NoSignOfOperationException)
{
Console.WriteLine("There is no sign of the operation");
break;
}
catch (InvalidParameterInOperationException)
{
Console.WriteLine("The operation contains invalid parameters");
break;
}
}
}
public void Setup()
{
_calculatorEngine = new CalculatorEngine();
}