public LPConstraint(LPPolynomial leftPolynomial, LPPolynomial rightPolynomial, LPOperatorType operatorType)
{
RightHand = new LPPolynomial(rightPolynomial);
LeftHand = new LPPolynomial(leftPolynomial);
OperatorType = operatorType;
}
public LPConstraint()
{
RightHand = new LPPolynomial();
LeftHand = new LPPolynomial();
OperatorType = LPOperatorType.Equals;
}
public LPModel()
{
_constraint = new List<LPConstraint>();
GoalKind = null;
Objective = new LPPolynomial();
Name = "NewModel";
}
public static LPPolynomial JoinPolys(LPPolynomial poly1, LPPolynomial poly2)
{
var rLPoly = new LPPolynomial(poly1);
foreach (var polyn in poly2.GetPoly)
{
rLPoly.AddNewVariable(polyn.Item1, polyn.Item2);
}
rLPoly.Constant += poly2.Constant;
return rLPoly;
}
private static LPPolynomial ParsePolynomial(ParseTreeNode lpPolynomialNode)
{
var lpPoly = new LPPolynomial();
switch (lpPolynomialNode.ChildNodes[0].ToString())
{
case "Monomial":
lpPoly = ParseMonomial(lpPolynomialNode.ChildNodes[0]);
break;
case "lpNumber":
lpPoly = new LPPolynomial {Constant = ParseLPNumber(lpPolynomialNode.ChildNodes[0])};
break;
}
if (lpPolynomialNode.ChildNodes.Count == 3)
{
LPPolynomial oPoly = ParsePolynomial(lpPolynomialNode.ChildNodes[2]);
lpPoly = LPPolynomial.JoinPolys(oPoly, lpPoly);
}
return lpPoly;
}
private static LPPolynomial ParseMonomial(ParseTreeNode node)
{
var lpPoly = new LPPolynomial();
switch (node.ChildNodes.Count)
{
case 1:
lpPoly.AddNewVariable(node.ChildNodes[0].ToString().Replace("(variable)", "").Replace(" ", ""), 1f);
break;
case 3:
double coefficient = 0;
switch (node.ChildNodes[0].ToString())
{
case "lpNumber":
coefficient = ParseLPNumber(node.ChildNodes[0]);
break;
case "number":
coefficient = ParseNumber(node.ChildNodes[0]);
break;
default:
throw new Exception("Invalid Model - Modeler Error At Monomial");
}
lpPoly.AddNewVariable(node.ChildNodes[2].ToString().Replace("(variable)", "").Replace(" ", ""),
coefficient);
break;
}
return lpPoly;
}
public LPPolynomial(LPPolynomial poly)
{
_poly = new List<Tuple<string, double>>(poly.GetPoly);
Constant = poly.Constant;
}