# Function core::arch::x86::_mm_cvtss_sd

1.27.0 · source ·

    pub unsafe fn _mm_cvtss_sd(a: __m128d, b: __m128) -> __m128d

Available on (x86 or x86-64) and target feature `sse2` and x86 only.
Expand description

Converts the lower single-precision (32-bit) floating-point element in `b` to a double-precision (64-bit) floating-point element, store the result in the lower element of the return value, and copies the upper element from `a` to the upper element the return value.

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