vec_rsqrt
Purpose
Returns a vector that contains estimates of the reciprocal square roots of the corresponding elements of the given vector.
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 the reciprocal square root of the corresponding element of a by using the vector reciprocal square root estimate instruction and iterative refinement.