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GoLang – Find Binary Logarithm – Log2() Function – Examples & Explanation

Log2() function is used to find the binary logarithm of the given input (x – parameter) in Go language. The standard math package of Go programming language has Log2() function.

Syntax of Log2() Function in Go Language

The syntax of Log2() function in Go Language is:

Note: float64 is a data type in Go language which has IEEE-754 64-bit floating-point numbers.
Special cases are:
Log(+Inf) = +Inf
Log(0) = -Inf
Log(x < 0) = NaN
Log(NaN) = NaN

Parameters of Log2() Function in Go Language

x – Where x is any Valid float64 Input value. This parameter is required.

 

Error Handling

If the x parameter is not a number (numeric value) Log2() function returns an error .
If there is no argument (x – input value) passes to the function, then the compiler will produce an error.

 

Return Value of Log2() Function in Go Language

Log2() function will return the binary logarithm of the given input(x – parameters).

 

GoLang Log2() Function Example 1


Output:
NaN

 

GoLang Log2() Function Example 2


Output:
2.7782085763980877

 

GoLang Log2() Function Example 3


Output:
2

 

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