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LOG2(3G) [FIXME: manual] LOG2(3G)

NAME

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 $x = 2^y$. The result is undefined if $x \leq 0$.

VERSION SUPPORT

OpenGL Shading Language Version
Function Name 1.10 1.20 1.30 1.40 1.50 3.30 4.00 4.10 4.20 4.30 4.40 4.50
log2

SEE ALSO

exp(), log(), exp2()

COPYRIGHT

Copyright © 2011-2014 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/.

COPYRIGHT

Copyright © 2011-2014 Khronos Group

01/03/2018 [FIXME: source]