## _mm_cmpunord_ss

# Function _mm_cmpunord_ss

1.27.0 · Source

    pub fn _mm_cmpunord_ss(a: __m128, b: __m128) -> __m128

Available on x86 and target feature `sse` only.
Expand description

Checks if the lowest `f32` of both inputs are unordered. The lowest 32 bits of the result will be `0xffffffff` if any of `a.extract(0)` or `b.extract(0)` is a NaN, or `0` otherwise. The upper 96 bits of the result are the upper 96 bits of `a`.

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