acos - return the arccosine of the parameter
x
Specify the value whose arccosine to return.
atan returns the angle whose trigonometric cosine is $x$. The range of
values returned by acos is $[0,\pi]$. The result is undefined if
$\left| x \right| > 1$.
| 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 |
| acos |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
sin(), cos(), asin(), tan()
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 © 2011-2014 Khronos Group