The OpenD Programming Language

_mm_rsqrt_ss

Compute the approximate reciprocal square root of the lower single-precision (32-bit) floating-point element in a, store the result in the lower element. Copy the upper 3 packed elements from a to the upper elements of result. The maximum relative error for this approximation is less than 1.5*2^-12.

nothrow @nogc pure @trusted
__m128
_mm_rsqrt_ss
(
__m128 a
)

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