io.servicetalk.opentracing.internal

Class MathUtil

java.lang.Object

io.servicetalk.opentracing.internal.MathUtil

public final class MathUtil
extends java.lang.Object

Internal math utilities.

Method Summary

Modifier and Type	Method and Description
static int	safeFindNextPositivePowerOfTwo(int value) Fast method of finding the next power of 2 greater than or equal to the supplied value.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

safeFindNextPositivePowerOfTwo

public static int safeFindNextPositivePowerOfTwo(int value)

Fast method of finding the next power of 2 greater than or equal to the supplied value.

This method will do runtime bounds checking and call findNextPositivePowerOfTwo(int) if within a valid range.

Parameters:

value - from which to search for next power of 2

Returns:

The next power of 2 or the value itself if it is a power of 2.

Special cases for return values are as follows:

• <= 0 to 1
• >= 2^30 to 2^30