MathF.Log2(Single) Method
Definition
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
One of the values in the following table.
x parameter
| Return value |
---|---|
Positive | The base 2 log of x ; that is, log 2x .
|
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
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