_mm512_fnmadd_round_pd in core::arch::x86 - Rust
Description: Multiply packed double-precision (64-bit) floating-point elements in a and b, add the negated intermediate result to packed elements in c, and store the results in dst.\

## _mm512_fnmadd_round_pd

# Function _mm512_fnmadd_round_pd

1.89.0 · Source

    pub fn _mm512_fnmadd_round_pd(
        a: __m512d,
        b: __m512d,
        c: __m512d,
        const ROUNDING: i32,
    ) -> __m512d

Available on x86 and target feature `avx512f` only.
Expand description

Multiply packed double-precision (64-bit) floating-point elements in a and b, add the negated intermediate result to packed elements in c, and store the results in dst.\

Rounding is done according to the rounding[3:0] 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`

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