Function _mm_getexp_ph 

pub fn _mm_getexp_ph(a: __m128h) -> __m128h

Available on x86 and target feature avx512fp16 and target feature avx512vl only.

Convert the exponent of each packed half-precision (16-bit) floating-point element in a to a half-precision (16-bit) floating-point number representing the integer exponent, and store the results in dst. This intrinsic essentially calculates floor(log2(x)) for each element.

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