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Inversesqrt
Return the inverse of the square root of the parameter
Declaration
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.