MathF.Log2(Single) Method

Reference

Definition

Namespace:: System

Assembly:: System.Runtime.dll

Assembly:: System.Runtime.Extensions.dll

Source:: MathF.cs

Source:: MathF.cs

Source:: MathF.cs

Important

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Returns the base 2 logarithm of a specified number.

public:
 static float Log2(float x);

public static float Log2 (float x);

static member Log2 : single -> single

Public Shared Function Log2 (x As Single) As Single

Parameters

x: Single

A number whose logarithm is to be found.

Returns

Single

One of the values in the following table.

`x` parameter	Return value
Positive	The base 2 log of `x`; that is, log 2`x`.
Zero	NegativeInfinity
Negative	NaN
Equal to NaN	NaN
Equal to PositiveInfinity	PositiveInfinity

Remarks

Parameter x is specified as a base 10 number.

This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures.

Applies to