Esempio n. 1
0
        public static void TestCases()
        {
            string[] expressions =
            {
                "min(((-((42)))      * sin(    pi/2 + pi))*2,64)",
                "sin(pi/2) +4",
                "+(42)",
                "3 + 4 * 2 / ( 1 - 5 ) ^ 2 ^ 3",
                "4 + 2",
                "3.1415 * -3.1415",
                "sin ( 1.570795 )",
                "sin ( abs ( -4 * 3 ^ 2 ) + 1 )",
                "sin ( pi / 2 )",
                "min ( pi , pi / 2 )",
                "max ( pi , pi / 2 )",
                "3*2+42.14-3",
                "sin(pi/2) * 3 +2",
                "-(42) * 2",
                "avg(2, 3)",
                "sqrt(9)",
                "vavg(4, 3, 2, 6, 4) + 100",
                "cos(pi/2)"
            };

            foreach (string expression in expressions)
            {
                ShuntingYard  parser          = new ShuntingYard(Lexer.Tokenize(expression));
                Queue <Token> postfixNotation = parser.PostfixTokens;
                Evaluator     evaluator       = new Evaluator(postfixNotation);
                Console.WriteLine(evaluator.Evaluate());
            }
        }
Esempio n. 2
0
        public static void Main(string[] args)
        {
            while (true)
            {
                Console.Write(">>> ");
                string expression = Console.ReadLine();

                try {
                    ShuntingYard  parser          = new ShuntingYard(Lexer.Tokenize(expression));
                    Queue <Token> postfixNotation = parser.PostfixTokens;
                    Evaluator     evaluator       = new Evaluator(postfixNotation);
                    Console.WriteLine(evaluator.Evaluate());
                } catch (Exception) {
                }
            }
        }