private double evaluationOfRPN(Configuration config)
{
int counter = 0;
Stack <double> stack = new Stack <double>();
if (expressionArray.Length == 0)
{
return(1);
}
while (counter < expressionArray.Length)
{
string curr = expressionArray[counter];
counter++;
if (!InfluenceFunction.isOperatorEval(curr))
{
stack.Push(getValueOfToken(config, curr, varModel));
}
else
{
if (curr.Equals("+"))
{
double rightHandSide = stack.Pop();
if (stack.Count == 0)
{
stack.Push(rightHandSide);
}
double leftHandSide = stack.Pop();
stack.Push(leftHandSide + rightHandSide);
}
if (curr.Equals("*"))
{
double rightHandSide = stack.Pop();
double leftHandSide = stack.Pop();
stack.Push(leftHandSide * rightHandSide);
}
// TODO log(0) == ????
if (curr.Equals("]"))
{
double leftHandSide = stack.Pop();
if (leftHandSide == 0.0)
{
stack.Push(0.0);
}
else
{
stack.Push(Math.Log(leftHandSide, 10.0));
}
}
}
}
return(stack.Pop());
}
private double evaluationOfRPN(Dictionary <NumericOption, double> config)
{
int counter = 0;
if (expressionArray.Length == 0)
{
return(0);
}
Stack <double> stack = new Stack <double>();
while (counter < expressionArray.Length)
{
string curr = expressionArray[counter];
counter++;
if (!InfluenceFunction.isOperatorEval(curr))
{
stack.Push(getValueOfToken(config, curr, varModel));
}
else
{
if (curr.Equals("+"))
{
if (stack.Count < 2)
{
Console.WriteLine("Error. Possible reason: name of numeric option does not match the name in the stepsize XML-tag");
}
double rightHandSide = stack.Pop();
double leftHandSide = stack.Pop();
stack.Push(leftHandSide + rightHandSide);
}
if (curr.Equals("*"))
{
double rightHandSide = stack.Pop();
double leftHandSide = stack.Pop();
stack.Push(leftHandSide * rightHandSide);
}
if (curr.Equals("]"))
{
double leftHandSide = stack.Pop();
if (leftHandSide == 0.0)
{
stack.Push(Double.MinValue);
}
else
{
stack.Push(Math.Log(leftHandSide, 10.0));
}
}
}
}
return(stack.Pop());
}
private double evaluationOfRPN(Configuration config)
{
int counter = 0;
Stack <double> stack = new Stack <double>();
if (expressionArray.Length == 0)
{
return(1);
}
while (counter < expressionArray.Length)
{
string curr = expressionArray[counter];
counter++;
if (!InfluenceFunction.isOperatorEval(curr))
{
stack.Push(getValueOfToken(config, curr, varModel));
}
else
{
if (curr.Equals("+"))
{
double rightHandSide = stack.Pop();
if (stack.Count == 0)
{
stack.Push(rightHandSide);
}
double leftHandSide = stack.Pop();
if (counter < expressionArray.Length && expressionArray[counter].Equals("-"))
{
stack.Push(leftHandSide - rightHandSide);
}
else
{
stack.Push(leftHandSide + rightHandSide);
}
}
if (curr.Equals("-"))
{
double rightHandSide = stack.Pop();
if (stack.Count == 0)
{
stack.Push(rightHandSide);
}
double leftHandSide = stack.Pop();
if (counter < expressionArray.Length && expressionArray[counter].Equals("-"))
{
stack.Push(leftHandSide + rightHandSide);
}
else
{
stack.Push(leftHandSide - rightHandSide);
}
}
if (curr.Equals("*"))
{
double rightHandSide = stack.Pop();
double leftHandSide = stack.Pop();
stack.Push(leftHandSide * rightHandSide);
}
if (curr.Equals("/"))
{
double rightHandSide = stack.Pop();
double leftHandSide = stack.Pop();
if (leftHandSide == 0.0 || rightHandSide == 0.0)
{
stack.Push(0.0);
}
else
{
stack.Push(leftHandSide / rightHandSide);
}
}
if (curr.Equals("]"))
{
double leftHandSide = stack.Pop();
if (leftHandSide == 0.0)
{
GlobalState.logError.log("part of the performance-influence model leads to a NegativeInfinity (compute log(0)) ");
stack.Push(0.0);
}
else
{
stack.Push(Math.Log(leftHandSide, 10.0));
}
}
}
}
return(stack.Pop());
}
