## Inversesqrt Return the inverse of the square root of the parameter ```glsl float inversesqrt(float x) vec2 inversesqrt(vec2 x) vec3 inversesqrt(vec3 x) vec4 inversesqrt(vec4 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```.
### See Also [pow](index.html#pow.md), [sqrt](index.html#sqrt.md), [Chapter 05: Shaping Functions](../05/)