Trait lance_arrow::floats::ArrowFloatType

pub trait ArrowFloatType: Debug {
    type Native: FromPrimitive + FloatToArrayType<ArrowType = Self> + AsPrimitive<f32>;
    type ArrayType: FloatArray<Self>;

    const FLOAT_TYPE: FloatType;

    // Provided method
    fn empty_array() -> Self::ArrayType { ... }
}

Trait for float types used in Arrow Array.

Required Associated Types

type Native: FromPrimitive + FloatToArrayType<ArrowType = Self> + AsPrimitive<f32>

type ArrayType: FloatArray<Self>

Arrow Float Array Type.

Required Associated Constants

const FLOAT_TYPE: FloatType

Provided Methods

fn empty_array() -> Self::ArrayType

Returns empty array of this type.

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl ArrowFloatType for Float16Type

type Native = f16

const FLOAT_TYPE: FloatType = FloatType::Float16

type ArrayType = PrimitiveArray<Float16Type>

impl ArrowFloatType for Float32Type

type Native = f32

const FLOAT_TYPE: FloatType = FloatType::Float32

type ArrayType = PrimitiveArray<Float32Type>

impl ArrowFloatType for Float64Type

type Native = f64

const FLOAT_TYPE: FloatType = FloatType::Float64

type ArrayType = PrimitiveArray<Float64Type>

Implementors

impl ArrowFloatType for BFloat16Type

type Native = bf16

const FLOAT_TYPE: FloatType = FloatType::BFloat16

type ArrayType = BFloat16Array