# Function core::arch::x86::_mm256_maskz_fmaddsub_pd

source · [−]

    pub unsafe fn _mm256_maskz_fmaddsub_pd(
        k: __mmask8,
        a: __m256d,
        b: __m256d,
        c: __m256d
    ) -> __m256d

🔬This is a nightly-only experimental API. (`stdsimd` #48556)
Available on (x86 or x86-64) and target feature `avx512f,avx512vl` and x86 only.
Expand description

Multiply packed double-precision (64-bit) floating-point elements in a and b, alternatively add and subtract packed elements in c to/from the intermediate result, and store the results in dst using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

Intel’s documentation