2011 Khronos Group
log2 3G
log2 return the base 2 logarithm of the parameter

## Declaration

genType `log2` genType x

## Parameters

x

  Specify the value of which to take the base 2 logarithm.

## Description

`log2` returns the base 2 logarithm of x. i.e., the value y which satisfies x 2 y. Results are undefined if x 0.

## Version Support

#VARTABLECOLS#
#FUNCTABLEHEADER#
log2#newin11#

## See Also

exp, log, exp2

## Copyright

Copyright 2011 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999. http://opencontent.org/openpub/.