pub unsafe fn _mm_maskz_rsqrt14_ps(k: u8, a: __m128) -> __m128
🔬This is a nightly-only experimental API. (stdsimd)
Available on x86-64 only.
Expand description

Compute the approximate reciprocal square root of packed single-precision (32-bit) floating-point elements in a, and store the results in dst using zeromask k (elements are zeroed out when the corresponding mask bit is not set). The maximum relative error for this approximation is less than 2^-14.

Intel’s documentation