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acos - return the arccosine of the parameter

Declaration

genTypeacos(genTypex);

Description

atan returns the angle whose trigonometric cosine is $x$. The range of values returned by acos is
       $[0,\pi]$. The result is undefined if $\left| x \right| > 1$.

Name

       acos - return the arccosine of the parameter

Parameters

x
           Specify the value whose arccosine to return.

See Also

sin(), cos(), asin(), tan()

Version Support

       ┌──────────┬───────────────────────────────────────────────────────────────────────────────────┐
       │          │        OpenGLShadingLanguageVersion                                            │
       ├──────────┼──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┤
       │ Function1.101.201.301.401.503.304.004.104.204.304.404.50 │
       │ Name     │      │      │      │      │      │      │      │      │      │      │      │      │
       ├──────────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┤
       │ acos     │  ✔   │  ✔   │  ✔   │  ✔   │  ✔   │  ✔   │  ✔   │  ✔   │  ✔   │  ✔   │  ✔   │  ✔   │
       └──────────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┘

See Also