public OperNode(string operType, int operWeight, ValueNode leftVal, OperNode prevOper)
{
OperType = operType;
OperVeight = operWeight;
LeftVal = leftVal;
RightVal = null;
PrevOper = prevOper;
NextOper = null;
}
/// <summary>
/// Adds a <see cref="OperNode"/> to the expression tree.
/// </summary>
/// <param name="node">The <see cref="OperNode"/> to add to the expression tree.</param>
public void AddNode(OperNode node)
{
bool insert = !(node is UOperNode);
if (_activeNode == null)
{
// This is the first Branch Node
if (Root != null)
{
// The first node is often a ValueNode
// That is the only time a ValueNode will be the active or root node
// Makes node the new active_node
node.AddChild(Root);
}
Root = node;
_activeNode = node;
return;
}
FindInsertionNode(node);
if (node.Priority > _activeNode.Priority)
{
// The new node is a lower priority than any node so far
// or a parenthesis/function was hit
// Add new node to top
if (_activeNode.Priority == Priority.OVERRIDE)
{
InsertOperNode(node, insert);
}
else if (Root == _activeNode)
{
// node is new root
node.AddChild(Root);
Root = node;
}
}
else if (node.Priority == _activeNode.Priority && (node is NOperNode))
{
for (int i = 0; i < node.ChildCount; i++)
{
_activeNode.AddChild(node);
}
return;
}
else
{
InsertOperNode(node, insert);
}
_activeNode = node;
}
/// <summary> /// Executes operation on an <see cref="OperNode"/>. /// </summary> /// <param name="node">The <see cref="OperNode"/> to execute operation on.</param> /// <returns>The result of the operation on an <see cref="OperNode"/>.</returns> public virtual ExpNode Execute(OperNode node) => Execute((BranchNode)node);
/// <summary>
/// Initializes a new instance of the <see cref="CannotMultiplyTensors"/> class.
/// </summary>
/// <param name="simplifier">The simplified that threw.</param>
/// <param name="context">The <see cref="OperNode"/> that it threw simplifying.</param>
/// <param name="message">The <see cref="Exception"/> message.</param>
public CannotMultiplyTensors(Simplifier simplifier, OperNode context, string message = "")
: base(simplifier, context, message)
{
}
/// <summary> /// Prints an <see cref="OperNode"/>. /// </summary> /// <param name="node">The <see cref="OperNode"/> to print.</param> /// <returns>The <see cref="OperNode"/> printed to a string.</returns> public virtual string Print(OperNode node) => Print((BranchNode)node);
