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());
}
}
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) {
}
}
}
