pub unsafe fn _mm_round_ps(a: __m128, const ROUNDING: i32) -> __m128Available 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:
- _MM_FROUND_TO_NEAREST_INT|- _MM_FROUND_NO_EXC: round to nearest and suppress exceptions
- _MM_FROUND_TO_NEG_INF|- _MM_FROUND_NO_EXC: round down and suppress exceptions
- _MM_FROUND_TO_POS_INF|- _MM_FROUND_NO_EXC: round up and suppress exceptions
- _MM_FROUND_TO_ZERO|- _MM_FROUND_NO_EXC: truncate and suppress exceptions
- _MM_FROUND_CUR_DIRECTION: use- MXCSR.RC- see- _MM_SET_ROUNDING_MODE