log2(3) 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 x2y. Results are undefined if x0.

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 ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔

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. m[blue]http://opencontent.org/openpub/m[].

COPYRIGHT


Copyright © 2011-2014 Khronos Group