private static void MoveNumberTerm(Expression from, Expression to)
{
List <Tuple <IOperator, ITerm> > OperatorTermIndexList = GetOperatorTermIndexPairs(from);
if (OperatorTermIndexList.Any())
{
Tuple <IOperator, ITerm> next = OperatorTermIndexList.First();
OperatorExpressionPair extracted = from.Extract(next.Item1, next.Item2);
to.Insert(extracted);
}
}
private static void MoveVariableTerm(Expression from, Expression to)
{
IVariable variable = from.Variables.First();
SubExpression variableGroup = from.GetVariableProductSubExpression(variable);
OperatorExpressionPair extracted = from.Extract(new Operator('+'), variableGroup);
if (extracted != null)
{
to.Insert(extracted);
}
}
public void Insert(OperatorExpressionPair pair)
{
if (pair == null)
{
throw new ArgumentNullException();
}
if (pair.Orientation == InsertOrientation.Left)
{
Insert(0, pair.Operator);
InsertRange(0, pair.Expr);
}
else
{
Add(pair.Operator);
AddRange(pair.Expr);
}
}
public static void ApplyToBothSides(this Equation source, OperatorExpressionPair pair)
{
source.LeftHandSide.Insert(pair);
source.RightHandSide.Insert(pair);
}
