FibonacciHeap(T).DecreaseKeyTo Method

FibonacciHeapTDecreaseKeyTo Method

Decreases the key of the specified item in this heap to the passed non-negative real number.

Namespace: Slash.Collections.PriorityQueues
Assembly: Slash.Collections (in Slash.Collections.dll) Version: 1.0.6018.40177

Syntax

C++

Copy

public void DecreaseKeyTo(
	IPriorityQueueItem<T> item,
	double newKey
)

Public Sub DecreaseKeyTo ( 
	item As IPriorityQueueItem(Of T),
	newKey As Double
)

public:
virtual void DecreaseKeyTo(
	IPriorityQueueItem<T>^ item, 
	double newKey
) sealed

abstract DecreaseKeyTo : 
        item : IPriorityQueueItem<'T> * 
        newKey : float -> unit 
override DecreaseKeyTo : 
        item : IPriorityQueueItem<'T> * 
        newKey : float -> unit

Parameters

item: Type: Slash.Collections.PriorityQueuesIPriorityQueueItemT
Item to decrease the key of.
newKey: Type: SystemDouble
Item's new key.

Implements

IPriorityQueueTDecreaseKeyTo(IPriorityQueueItemT, Double)

Exceptions

Exception	Condition
ArgumentOutOfRangeException	The resulting key would be greater than the current one.
InvalidOperationException	This heap is empty.

Reference

FibonacciHeapT Class

Slash.Collections.PriorityQueues Namespace