Provided by: opengl-4-man-doc_1.0~svn31251-1build1_all 
NAME
inversesqrt - return the inverse of the square root of the parameter
DECLARATION
genType inversesqrt(genType x);
genDType inversesqrt(genDType x);
PARAMETERS
x
Specify the value of which to take the inverse of the square root.
DESCRIPTION
inversesqrt returns the inverse of the square root of x. i.e., the value 1x. Results are
undefined if x0.
VERSION SUPPORT
┌────────────┬───────────────────────────────────────────────────────────────────────────────────┐
│ │ OpenGL Shading Language Version │
├────────────┼──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┤
│Function │ 1.10 │ 1.20 │ 1.30 │ 1.40 │ 1.50 │ 3.30 │ 4.00 │ 4.10 │ 4.20 │ 4.30 │ 4.40 │ 4.50 │
│Name │ │ │ │ │ │ │ │ │ │ │ │ │
├────────────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┤
│inversesqrt │ - │ - │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │
│(genType) │ │ │ │ │ │ │ │ │ │ │ │ │
├────────────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┤
│inversesqrt │ - │ - │ - │ - │ - │ - │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │
│(genDType) │ │ │ │ │ │ │ │ │ │ │ │ │
└────────────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┘
SEE ALSO
pow(), sqrt()
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
[FIXME: source] 07/22/2015 INVERSESQRT(3G)