vec_rsqrt
Purpose
Returns a vector that contains a refined approximation of the reciprocal square roots of the corresponding elements of the given vector.
This built-in function is valid only when you include the altivec.h file.
Syntax
d=vec_rsqrt(a)Result and argument types
The following table describes the types of the returned value and the function arguments.
| d | a |
|---|---|
| vector float | vector float |
| vector double | vector double |
Result value
Each element of the result contains a refined approximation of the reciprocal square root of the corresponding element of a.
