public void ReplaceWith(MathOperation l, MathOperation val, MathOperation r)
{
Value = val ;
Left = new ExpressionTree(l);
Right = new ExpressionTree(r);
}
public void ReplaceWith(Number n)
{
Value = n;
Right = null;
Left = null;
FunctionParameters = null;
}
public void ReplaceWith(ExpressionTree tree)
{
Value = tree.Value;
Right = tree.Right;
Left = tree.Left;
FunctionParameters = tree.FunctionParameters;
}
public ExpressionTree(MathOperation l, MathOperation val, MathOperation r)
{
Value = val;
Left = new ExpressionTree(l);
Right = new ExpressionTree(r);
}
private void UpdateExpressionTree()
{
m_ExpressionTree = new ExpressionTree(m_ExpressionStack.Pop());
m_ExpressionTree.BuildBinaryTree(m_ExpressionStack);
m_ExpressionStack.ResetTop();
}
public MathExpression Derive(MathState state)
{
StaticStack<MathOperation> stack = m_ExpressionStack;
StaticStack<MathOperation> derived = new StaticStack<MathOperation>();
ExpressionTree tree = new ExpressionTree(stack);
tree.DeriveToStack(derived, state);
Dictionary<string, float> var = new Dictionary<string, float>(m_Variables);
for (int i = 0; i < derived.Count; i++)
{
if (derived[i] is Variable)
{
Variable v = (Variable)derived[i];
derived[i] = new Variable(v.ToString(), var);
}
}
return new MathExpression(derived,var, "(" + OriginalExpression + ")'");
}
