log2

log2

This function returns the log base 2 of n

Syntax:

log2(n)

Argument	Description
double n	The input value

Returns: double

Description:

The function asks: "How many times number 2 must be powered by to equal n?" For example, function log2(4) will return 2, because 2x2 = 4.

Example:

double value;
value = log2(16);

This code will set value to 4, beacuse 2x2x2x2 = 16.

Example 2:

double value;
value = log2(5);

This code will set value to 2,321929.

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