pmath

Documentation

Index

• func CeilToPowerOf2(n int) int
• func FloorToPowerOfTwo(n int) int
• func IsPowerOfTwo(n int) bool
• func LogarithmicRange(min, max int, cb func(int))
• func PowerOf2Index(size int) int

Functions

func CeilToPowerOf2

func CeilToPowerOf2(n int) int

CeilToPowerOf2 returns the least power of two integer value greater than or equal to n.

func FloorToPowerOfTwo

func FloorToPowerOfTwo(n int) int

FloorToPowerOfTwo returns the greatest power of two integer value less than or equal to n.

func IsPowerOfTwo

func IsPowerOfTwo(n int) bool

IsPowerOfTwo reports whether given integer is a power of two.

func LogarithmicRange

func LogarithmicRange(min, max int, cb func(int))

LogarithmicRange iterates from ceiled to power of two min to max, calling cb on each iteration.

func PowerOf2Index

func PowerOf2Index(size int) int