| Parameter | Description |
|---|---|
| a | Vector a |
| rounding | Rounding mode |
v256 Vector
Round the packed double-precision (64-bit) floating-point elements in a using the rounding parameter, and store the results as packed double-precision floating-point elements in dst.
____ VROUNDPD ymm1,ymm2/v256,imm8 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