Class ChimpCompressionState

publication/source_code/include/chimp/chimp.hpp:21–53

template <class CHIMP_TYPE, bool EMPTY>
struct ChimpCompressionState {

	ChimpCompressionState()
	    : previous_leading_zeros(NumericLimits<uint8_t>::Maximum()) {
		previous_value = 0;
	}

	inline void SetLeadingZeros(int32_t value = NumericLimits<uint8_t>::Maximum()) {
		this->previous_leading_zeros = value;
	}

	void Flush() { leading_zero_buffer.Flush(); }

	// Reset the state
	void Reset() {
		first = true;
		SetLeadingZeros();
		leading_zero_buffer.Reset();
		flag_buffer.Reset();
		previous_value = 0;
	}

	CHIMP_TYPE BitsWritten() const {
		return output.BitsWritten() + leading_zero_buffer.BitsWritten() + flag_buffer.BitsWritten();
	}

	OutputBitStream<EMPTY>   output; // The stream to write to
	LeadingZeroBuffer<EMPTY> leading_zero_buffer;
	FlagBuffer<EMPTY>        flag_buffer;
	uint8_t                  previous_leading_zeros; //! The leading zeros of the reference value
	CHIMP_TYPE               previous_value = 0;
	bool                     first          = true;
};

template <class CHIMP_TYPE, bool EMPTY>
class ChimpCompression {