Unreal Engine 4.26 Documentation

Unreal Engine 4.27 Documentation

Unreal Engine 5.0 Documentation

Unreal Engine 5.1 Documentation

Unreal Engine 5.2 Documentation

Unreal Engine 5.3 Documentation

Light Theme

Dark Theme

FGenericPlatformMath::CountLeadingZeros64

Counts the number of leading zeros in the bit representation of the 64-bit value

Windows

MacOS

Linux

References

Module	Core
Header	/Engine/Source/Runtime/Core/Public/GenericPlatform/GenericPlatformMath.h
Include	#include "GenericPlatform/GenericPlatformMath.h"

Syntax

static uint64 CountLeadingZeros64
(
uint64 Value
)

Remarks

Counts the number of leading zeros in the bit representation of the 64-bit value

Returns

the number of zeros before the first "on" bit

Parameters

Parameter	Description
Value	the value to determine the number of leading zeros for

Help shape the future of Unreal Engine documentation! Tell us how we're doing so we can serve you better.

Take our survey

Dismiss