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> Unreal Engine API Reference > Runtime > Core > Algo > Impl > AlgoImpl::HeapSiftDown

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AlgoImpl::HeapSiftDown

Fixes a possible violation of order property between node at Index and a child.

Windows

MacOS

Linux

References

Module	Core
Header	/Engine/Source/Runtime/Core/Public/Algo/Impl/BinaryHeap.h
Include	#include "Algo/Impl/BinaryHeap.h"

Syntax

namespace AlgoImpl
{
    template<typename RangeValueType, typename ProjectionType, typename PredicateType>
    void AlgoImpl::HeapSiftDown
    (
        RangeValueType * Heap,
        int32 Index,
        const int32 Count,
        const ProjectionType & Projection,
        const PredicateType & Predicate
    )
}

Remarks

Fixes a possible violation of order property between node at Index and a child.

Parameters

Parameter	Description
Heap	Pointer to the first element of a binary heap.
Index	Node index.
Count	Size of the heap.
Projection	The projection to apply to the elements.
Predicate	A binary predicate object used to specify if one element should precede another.

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