Module coders 

Entropy coder implementations (AC and rANS). Entropy coders for rwkvzip.

This module provides both Arithmetic Coding (AC) and rANS coders.

Coder Selection

• Arithmetic Coding (AC): Optimal compression ratio, slightly slower. Best for small files or maximum compression.
• rANS: Near-optimal compression with better throughput, especially with lane-interleaved encoding. Best for larger files.

Re-exports

pub use ac::ArithmeticDecoder;

pub use ac::ArithmeticEncoder;

pub use ac::CDF_TOTAL;

pub use ac::p_min;

pub use ac::quantize_pdf_to_cdf;

pub use ac::quantize_pdf_to_cdf_inplace;

pub use ac::quantize_pdf_to_cdf_with_buffer;

pub use ac::softmax_pdf;

pub use ac::softmax_pdf_floor;

pub use ac::softmax_pdf_floor_inplace;

pub use ac::softmax_pdf_inplace;

pub use rans::ANS_BITS;

pub use rans::ANS_HIGH;

pub use rans::ANS_LOW;

pub use rans::ANS_TOTAL;

pub use rans::BLOCK_SIZE;

pub use rans::BlockedRansDecoder;

pub use rans::BlockedRansEncoder;

pub use rans::Cdf;

pub use rans::RansDecoder;

pub use rans::RansEncoder;

pub use rans::cdf_for_symbol;

pub use rans::quantize_pdf_to_rans_cdf;

pub use rans::quantize_pdf_to_rans_cdf_with_buffer;

pub use rans::RANS_LANES;

pub use rans::SimdRansDecoder;

pub use rans::SimdRansEncoder;

Modules

ac

Arithmetic Coder implementation for rwkvzip.

rans

rANS (range Asymmetric Numeral System) coder with an optional multi-lane path.

Enums

CoderType

Entropy coder type used by generic rate-coded compression.

Functions

crc32

Compute CRC32 checksum for data integrity verification.