Trait PowfBackend 

pub(crate) trait PowfBackend {
    const HAS_FMA: bool;
    const ERR: u64;

    // Required methods
    fn fmaf(&self, x: f32, y: f32, z: f32) -> f32;
    fn fma(&self, x: f64, y: f64, z: f64) -> f64;
    fn polyeval3(&self, x: f64, a0: f64, a1: f64, a2: f64) -> f64;
    fn integerf(&self, x: f32) -> bool;
    fn odd_integerf(&self, x: f32) -> bool;
    fn round(&self, x: f64) -> f64;
    fn quick_mult(&self, x: DoubleDouble, y: DoubleDouble) -> DoubleDouble;
    fn quick_mult_f64(&self, x: DoubleDouble, y: f64) -> DoubleDouble;
    fn dd_polyeval6(
        &self,
        x: DoubleDouble,
        a0: DoubleDouble,
        a1: DoubleDouble,
        a2: DoubleDouble,
        a3: DoubleDouble,
        a4: DoubleDouble,
        a5: DoubleDouble,
    ) -> DoubleDouble;
    fn dd_polyeval10(
        &self,
        x: DoubleDouble,
        a0: DoubleDouble,
        a1: DoubleDouble,
        a2: DoubleDouble,
        a3: DoubleDouble,
        a4: DoubleDouble,
        a5: DoubleDouble,
        a6: DoubleDouble,
        a7: DoubleDouble,
        a8: DoubleDouble,
        a9: DoubleDouble,
    ) -> DoubleDouble;
}

Required Associated Constants

const HAS_FMA: bool

const ERR: u64

Required Methods

fn fmaf(&self, x: f32, y: f32, z: f32) -> f32

fn fma(&self, x: f64, y: f64, z: f64) -> f64

fn polyeval3(&self, x: f64, a0: f64, a1: f64, a2: f64) -> f64

fn integerf(&self, x: f32) -> bool

fn odd_integerf(&self, x: f32) -> bool

fn round(&self, x: f64) -> f64

fn quick_mult(&self, x: DoubleDouble, y: DoubleDouble) -> DoubleDouble

fn quick_mult_f64(&self, x: DoubleDouble, y: f64) -> DoubleDouble

fn dd_polyeval6( &self, x: DoubleDouble, a0: DoubleDouble, a1: DoubleDouble, a2: DoubleDouble, a3: DoubleDouble, a4: DoubleDouble, a5: DoubleDouble, ) -> DoubleDouble

fn dd_polyeval10( &self, x: DoubleDouble, a0: DoubleDouble, a1: DoubleDouble, a2: DoubleDouble, a3: DoubleDouble, a4: DoubleDouble, a5: DoubleDouble, a6: DoubleDouble, a7: DoubleDouble, a8: DoubleDouble, a9: DoubleDouble, ) -> DoubleDouble

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl PowfBackend for FmaPowfBackend

Available on x86 or x86-64 only.

const HAS_FMA: bool = true

const ERR: u64 = 64

impl PowfBackend for GenPowfBackend

const HAS_FMA: bool = false

const ERR: u64 = 128