Write Compressor

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This skill provides specialized guidance for building encoders that function as the exact mathematical inverse of a given decoder. It is particularly useful for complex tasks involving arithmetic coding, entropy encoding, or custom compression algorithms where even a single bit divergence can cause failure. The skill emphasizes a derivation-first approach, moving from state machine documentation to side-by-side verification harnesses, ensuring that developers avoid common pitfalls like renormalization errors or off-by-one offsets while maintaining strict output compatibility.

Características Principales

• Debugging frameworks for tracing state variables and resolving decoder crashes
• Side-by-side state verification harnesses for identifying divergence
• Mathematical derivation of encoder operations from decoder state machines
• Guidance on handling renormalization, flushing, and finalization
• 16 GitHub stars
• Incremental implementation strategy from minimal cases to full files

Casos de Uso

• Implementing a specific entropy coding scheme based on provided decoder source code
• Writing a custom arithmetic encoder to match a legacy decompression library
• Reverse-engineering an encoding process when only the decoder implementation is available