table of contents
| INVERSESQRT(3G) | [FIXME: manual] | INVERSESQRT(3G) |
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 $1 \over { \sqrt x }$. 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 |
| 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
| 11/18/2024 | [FIXME: source] |