Struct Encoder 

pub struct Encoder<F: AlpFloat> {
    pub cached_params: Option<BestParams>,
    pub cached_use_repeat: Option<bool>,
    pub cached_scheme: Option<CachedScheme>,
    pub cached_target_bw: CachedTargetBw,
    pub cached_use_delta: Option<bool>,
    /* private fields */
}

Stateful encoder that caches optimal parameters and scratch buffers across adjacent chunks. 状态化编码器：在连续数据块编码时复用已探测的最优参数与内部工作缓冲区，消除重复采样开销与内存分配。

Fields

cached_params: Option<BestParams>

cached_use_repeat: Option<bool>

cached_scheme: Option<CachedScheme>

cached_target_bw: CachedTargetBw

cached_use_delta: Option<bool>

Implementations

impl<F: AlpFloat> Encoder<F>

pub const fn new() -> Self

Creates a new encoder (empty buffers, dynamically allocated on demand and reused). 创建新的编码器（空缓冲区，按需动态分配并长久复用）

pub fn with_capacity(capacity: usize) -> Self

Creates an encoder with specified initial capacity (pre-allocated buffers for zero heap allocation). 创建具有指定初始容量的编码器（预分配缓冲区，实现全程零堆分配）

pub fn reset(&mut self)

Resets cached optimal parameters and clears internal buffers. 重置已缓存的最优参数与内部缓冲区

pub fn compress_into(&mut self, data: &[F], dst: &mut Vec<u8>)

Compresses float data slice into destination buffer (adaptive FOR/Delta, reusing parameters and memory). 压缩浮点数据切片并写入目标缓冲区（自适应 FOR 或 Delta 模式，复用采样参数与工作内存）

pub fn compress_delta_into(&mut self, data: &[F], dst: &mut Vec<u8>)

Compresses float data slice using Delta differential mode into destination buffer. 强制使用 Delta 差分模式压缩浮点数据切片并写入目标缓冲区

pub fn compress(&mut self, data: &[F]) -> Vec<u8>

Compresses float data slice and returns newly allocated byte vector. 压缩浮点数据切片并返回新分配的字节向量

pub fn compress_delta(&mut self, data: &[F]) -> Vec<u8>

Compresses float data slice using Delta differential mode and returns newly allocated byte vector. 强制使用 Delta 差分模式压缩浮点数据切片并返回新分配的字节向量

pub fn shrink_to_fit(&mut self)

Shrinks the capacity of the internal work buffer as much as possible. 释放内部工作缓冲区多余分配的容量

pub fn capacity(&self) -> usize

Returns the current capacity of the internal work buffer. 获取内部工作缓冲区的当前容量

Trait Implementations

impl<F: Clone + AlpFloat> Clone for Encoder<F>

where F::Int: Clone, F::RawBits: Clone,

fn clone(&self) -> Encoder<F>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<F: Debug + AlpFloat> Debug for Encoder<F>

where F::Int: Debug, F::RawBits: Debug,

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<F: AlpFloat> Default for Encoder<F>

fn default() -> Self

Returns the “default value” for a type.