Timerix/Evil_Calculator
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Lunya-sh
2026-01-10 20:52:44 +01:00
parent 1f6e9ce376
commit 4a418ddf75
10 changed files with 849 additions and 1 deletions
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116
Evil Calculator/ReverseNotattionSolver.cs Normal file
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namespace Lunar.Evil_Calculator
{
internal class ReverseNotationSolver
{
List<Token> equation = new List<Token>();
public string? ToReverseNotation(ref List<Token> equation)
{
List<Token> TEMP = new List<Token>();
Stack<Token> OPERATORS = new Stack<Token>();
foreach (Token token in equation)
{
if (token.tokenType == Token.TokenType.Operand)
{
TEMP.Add(token);
}
if (token.tokenType == Token.TokenType.Operator)
{
if (token.value == "(")
{
OPERATORS.Push(token);
}
else if (token.value == ")")
{
while (OPERATORS.Peek().value != "(")
{
TEMP.Add(OPERATORS.Pop());
}
OPERATORS.Pop();
}
else
{
while (OPERATORS.Count != 0 ? OPERATORS.Peek().priority >= token.priority : false)
{
TEMP.Add(OPERATORS.Pop());
}
OPERATORS.Push(token);
}
}
}
while (OPERATORS.Count != 0)
{
TEMP.Add(OPERATORS.Pop());
}
this.equation = TEMP;
return equationToString();
}
public string? Solve(ref List<Token> equation)
{
ToReverseNotation(ref equation);
Stack<Token> stack = new Stack<Token>();
foreach (Token token in this.equation)
{
double result, left, right;
if (token.tokenType == Token.TokenType.Operand)
{
stack.Push(token);
}
if (token.tokenType == Token.TokenType.Operator)
{
switch (token.value)
{
case "+":
right = Convert.ToDouble(stack.Pop().value);
left = Convert.ToDouble(stack.Pop().value);
result = left + right;
stack.Push(new Token(Token.TokenType.Operand, result.ToString()));
break;
case "-":
right = Convert.ToDouble(stack.Pop().value);
left = Convert.ToDouble(stack.Pop().value);
result = left - right;
stack.Push(new Token(Token.TokenType.Operand, result.ToString()));
break;
case "*":
right = Convert.ToDouble(stack.Pop().value);
left = Convert.ToDouble(stack.Pop().value);
result = left * right;
stack.Push(new Token(Token.TokenType.Operand, result.ToString()));
break;
case "/":
right = Convert.ToDouble(stack.Pop().value);
left = Convert.ToDouble(stack.Pop().value);
result = left / right;
stack.Push(new Token(Token.TokenType.Operand, result.ToString()));
break;
case "^":
right = Convert.ToDouble(stack.Pop().value);
left = Convert.ToDouble(stack.Pop().value);
result = Math.Pow(left, right);
stack.Push(new Token(Token.TokenType.Operand, result.ToString()));
break;
}
}
}
return stack.Pop().value;
}
public string equationToString()
{
string equationString = "";
foreach (Token token in this.equation)
{
equationString += token.value.ToString() + " ";
}
return equationString;
}
}
}