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acos

Name

acos — return the arccosine of the parameter

Declaration

genType acos( genType x);
 

Parameters

x

Specify the value whose arccosine to return.

Description

atan returns the angle whose trigonometric cosine is x. The range of values returned by acos is 0 π . The result is undefined if |x|>1.

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
acos

See Also

sin, cos, asin, tan

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