private string CalcTokensSubset(List <string> tks)
{
List <string> tokens = new List <string>(tks);
while (tokens.Count > 1)
{
SortedDictionary <double, int> weightIndexDict = new SortedDictionary <double, int>();
MathExpression expression = new MathExpression();
for (int p = 0; p < tokens.Count; p++)
{
try
{
weightIndexDict.Add(_operandDictionary[tokens[p]].OperationTier, p);
}
catch (Exception ex)
{}
}
int indexToCalc = weightIndexDict.Values.First();
expression.Operand = tokens[indexToCalc];
expression.Left = Convert.ToDecimal(tokens[indexToCalc - 1]);
expression.Right = Convert.ToDecimal(tokens[indexToCalc + 1]);
string result = RunExpression(expression);
tokens = ReplaceIndexRangeWithValue(tokens, indexToCalc - 1, indexToCalc + 1, result);
}
string finalResult = tokens[0];
return(finalResult);
}
private string RunExpression(MathExpression expression)
{
string result = _operandDictionary[expression.Operand].Calculate(expression.Left, expression.Right).ToString();
return(result);
}