_mm_rsqrt14_pd in core::arch::x86 - Rust
Description: Compute the approximate reciprocal square root of packed double-precision (64-bit) floating-point elements in a, and store the results in dst. The maximum relative error for this approximation is less than 2^-14.

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## _mm_rsqrt14_pd

# Function _mm_rsqrt14_pd

1.89.0 · Source

    pub fn _mm_rsqrt14_pd(a: __m128d) -> __m128d

Available on x86 and target feature `avx512f` and target feature `avx512vl` only.
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Compute the approximate reciprocal square root of packed double-precision (64-bit) floating-point elements in a, and store the results in dst. The maximum relative error for this approximation is less than 2^-14.

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