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LibCompress: Move two shared LZMA magic numbers into a common place

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This commit is contained in:
Tim Schumacher 2023-05-19 14:13:13 +02:00 • committed by Jelle Raaijmakers
parent e2ec8f6584
commit d4b0e64825
2 changed files with 7 additions and 11 deletions
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6
Userland/Libraries/LibCompress/Lzma.h
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@ -70,6 +70,12 @@ protected:
static constexpr Probability default_probability = (1 << probability_bit_count) / 2;
static void initialize_to_default_probability(Span<Probability>);
// The significance of the shift width is not explained and appears to be a magic constant.
static constexpr size_t probability_shift_width = 5;
// "The value of the "Range" variable before each bit decoding can not be smaller than ((UInt32)1 << 24)."
static constexpr u32 minimum_range_value = 1 << 24;
LzmaState(FixedArray<Probability> literal_probabilities);
u64 m_total_processed_bytes { 0 };