Function core::arch::x86_64::_mm_round_ss

1.27.0 · source ·
pub unsafe fn _mm_round_ss(a: __m128, b: __m128, const ROUNDING: i32) -> __m128
Available on (x86 or x86-64) and target feature sse4.1 and x86-64 only.
Expand description

Round the lower single-precision (32-bit) floating-point element in b using the ROUNDING parameter, store the result as a single-precision floating-point element in the lower element of the intrinsic result, and copies the upper 3 packed elements from a to the upper elements of the intrinsic result. Rounding is done according to the rounding parameter, which can be one of:

#[cfg(target_arch = "x86")]
use std::arch::x86::*;
#[cfg(target_arch = "x86_64")]
use std::arch::x86_64::*;

// round to nearest, and suppress exceptions:
// round down, and suppress exceptions:
// round up, and suppress exceptions:
// truncate, and suppress exceptions:

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