public static void UsualOperators()
{
var str1 = PostfixCalculator.GetPostfixNotation("( 1 + ( 3 - 4 ) + 5 ) * 6");
var str2 = PostfixCalculator.GetPostfixNotation("( ( ( 2 - 3 ) * 4 ) + 1 ) / 3");
var str3 = PostfixCalculator.GetPostfixNotation("1 + 2 ^ ( 1 / 2 )");
Assert.AreEqual(30, PostfixCalculator.Calculate(str1));
Assert.AreEqual(-1, PostfixCalculator.Calculate(str2));
Assert.AreEqual(1 + Math.Sqrt(2), PostfixCalculator.Calculate(str3));
}
public static void TrigonometryOperators()
{
var str1 = PostfixCalculator.GetPostfixNotation("sin 7 ^ 2 + cos 7 ^ 2");
var str2 = PostfixCalculator.GetPostfixNotation("sin 3 / cos 3 * ctg 3");
var str3 = PostfixCalculator.GetPostfixNotation("sin ( 3 + 0. 1415 )");
var str4 = PostfixCalculator.GetPostfixNotation("2 * sin 3 * cos 3");
Assert.AreEqual(1, PostfixCalculator.Calculate(str1));
Assert.AreEqual(1, PostfixCalculator.Calculate(str2));
Assert.AreEqual(0, PostfixCalculator.Calculate(str3));
Assert.AreEqual(Math.Sin(6), PostfixCalculator.Calculate(str4));
}
static void Main()
{
WriteLine(Messages.WELCOME);
var expression = ReadLine();
try
{
var calculator = new PostfixCalculator();
var result = calculator.Calculate(expression);
WriteLine(result);
}
catch (ArgumentException argEx)
{
WriteLine(argEx.Message);
}
catch (Exception)
{
WriteLine(Messages.ERROR);
}
}
