Function _mm512_getexp_round_ph

#[target_feature(enable = "avx512fp16")]
pub fn _mm512_getexp_round_ph(a: __m512h, SAE: i32) -> __m512h

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. Exceptions can be suppressed by passing _MM_FROUND_NO_EXC in the sae parameter

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