Function core::arch::x86::_mm256_fnmsub_pd

pub unsafe fn _mm256_fnmsub_pd(a: __m256d, b: __m256d, c: __m256d) -> __m256d

This is supported on x86 and target feature fma only.

Multiply packed double-precision (64-bit) floating-point elements in a and b, and subtract packed elements in c from the negated intermediate result.

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