# Function core::arch::x86_64::_mm_floor_sd

1.27.0 · source · [−]

    pub unsafe fn _mm_floor_sd(a: __m128d, b: __m128d) -> __m128d

Available on (x86 or x86-64) and target feature `sse4.1` and x86-64 only.
Expand description

Round the lower double-precision (64-bit) floating-point element in `b` down to an integer value, store the result as a double-precision floating-point element in the lower element of the intrinsic result, and copies the upper element from `a` to the upper element of the intrinsic result.

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