/// <summary>
/// 更改节点值
/// </summary>
/// <param name="index"></param>
/// <param name="weight"></param>
public void Change(int index, T val)
{
MyLineTreeNode <T> parent = Root;
//通过循环找到索引所在的节点
do
{
int mid = (parent.StartIndex + parent.EndIndex) / 2;
if (index <= mid)
{
parent = parent.Left;
}
else
{
parent = parent.Right;
}
} while (parent.StartIndex != index || parent.EndIndex != index);
//更改所在节点的值
parent.SavedVal = val;
//更改所在节点的值之后，需要调整所有父节点的值（通过不断和右边节点比较）
while (parent.Parent != null)
{
MyLineTreeNode <T> temp = parent.Parent;
temp.SavedVal = CompareFunction.Invoke(temp.Left.SavedVal, temp.Right.SavedVal) ? temp.Left.SavedVal : temp.Right.SavedVal;
parent = temp;
}
}
internal CNTK.Function ToFunction(Variable labels, Variable predictions)
{
var function = LabelPredictionFunction?.Invoke(labels, predictions);
if (ReferenceEquals(function, null))
{
throw new InvalidOperationException();
}
return(function);
}
/// <summary>
/// Example of a function accepting a delegate (function pointer) as an argument.
/// </summary>
private bool CompareDelegate(int x, int y, CompareFunction pred)
{
return(pred.Invoke(x, y));
}
