Function core::arch::x86_64::_mm_round_ps
1.27.0 · source · pub unsafe fn _mm_round_ps(a: __m128, const ROUNDING: i32) -> __m128
Available on (x86 or x86-64) and target feature
sse4.1
and x86-64 only.Expand description
Round the packed single-precision (32-bit) floating-point elements in a
using the ROUNDING
parameter, and stores the results as packed
single-precision floating-point elements.
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:
_MM_FROUND_TO_NEAREST_INT | _MM_FROUND_NO_EXC;
// round down, and suppress exceptions:
_MM_FROUND_TO_NEG_INF | _MM_FROUND_NO_EXC;
// round up, and suppress exceptions:
_MM_FROUND_TO_POS_INF | _MM_FROUND_NO_EXC;
// truncate, and suppress exceptions:
_MM_FROUND_TO_ZERO | _MM_FROUND_NO_EXC;
// use MXCSR.RC; see `_MM_SET_ROUNDING_MODE`:
_MM_FROUND_CUR_DIRECTION;
Run