Function core::arch::x86_64::_mm_rsqrt_ss

pub unsafe fn _mm_rsqrt_ss(a: __m128) -> __m128

Available on (x86 or x86-64) and target feature sse and x86-64 only.

Returns the approximate reciprocal square root of the first single-precision (32-bit) floating-point element in a, the other elements are unchanged.

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