public void Initialization()
{
parser = new RPNParser();
parser.AddBinaryOperation(new BinaryOperationToken('+', (a, b) => a + b, 0, Associativity.Left));
parser.AddBinaryOperation(new BinaryOperationToken('-', (a, b) => a - b, 0, Associativity.Left));
parser.AddBinaryOperation(new BinaryOperationToken('*', (a, b) => a * b, 1, Associativity.Left));
parser.AddBinaryOperation(new BinaryOperationToken('/', (a, b) => a / b, 1, Associativity.Left));
parser.AddBinaryOperation(new BinaryOperationToken('^', (a, b) => Math.Pow(a, b), 2, Associativity.Right));
parser.AddFunction(new FunctionToken("Foo", x => x + 5, FunctionType.Prefix));
parser.AddFunction(new FunctionToken("!", (x) =>
{
if (x < 0 || x - (int)x > Double.Epsilon)
{
throw new Exception("Факториал определен для целых положительных чисел");
}
double result = 1;
for (int i = 2; i != (int)x + 1; i++)
{
result *= i;
}
return(result);
}, FunctionType.Postfix));
}