Move Quantum compression models to IO

This commit is contained in:
Matt Nadareski
2025-09-22 10:29:29 -04:00
parent fd7746fae3
commit c6062f71eb
4 changed files with 0 additions and 134 deletions

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@@ -1,50 +0,0 @@
namespace SabreTools.Models.Compression.Quantum
{
/// <see href="http://www.russotto.net/quantumcomp.html"/>
public static class Constants
{
public static readonly int[] PositionSlot =
[
0x00000, 0x00001, 0x00002, 0x00003, 0x00004, 0x00006, 0x00008, 0x0000c,
0x00010, 0x00018, 0x00020, 0x00030, 0x00040, 0x00060, 0x00080, 0x000c0,
0x00100, 0x00180, 0x00200, 0x00300, 0x00400, 0x00600, 0x00800, 0x00c00,
0x01000, 0x01800, 0x02000, 0x03000, 0x04000, 0x06000, 0x08000, 0x0c000,
0x10000, 0x18000, 0x20000, 0x30000, 0x40000, 0x60000, 0x80000, 0xc0000,
0x100000, 0x180000
];
public static readonly int[] PositionExtraBits =
[
0, 0, 0, 0, 1, 1, 2, 2,
3, 3, 4, 4, 5, 5, 6, 6,
7, 7, 8, 8, 9, 9, 10, 10,
11, 11, 12, 12, 13, 13, 14, 14,
15, 15, 16, 16, 17, 17, 18, 18,
19, 19
];
public static readonly int[] LengthSlot =
[
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x08,
0x0a, 0x0c, 0x0e, 0x12, 0x16, 0x1a, 0x1e, 0x26,
0x2e, 0x36, 0x3e, 0x4e, 0x5e, 0x6e, 0x7e, 0x9e,
0xbe, 0xde, 0xfe
];
public static readonly int[] LengthExtraBits =
[
0, 0, 0, 0, 0, 0, 1, 1,
1, 1, 2, 2, 2, 2, 3, 3,
3, 3, 4, 4, 4, 4, 5, 5,
5, 5, 0
];
/// <summary>
/// Number of position slots for (tsize - 10)
/// </summary>
public static readonly int[] NumPositionSlots =
[
20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42
];
}
}

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namespace SabreTools.Models.Compression.Quantum
{
public enum SelectorModel
{
/// <summary>
/// Literal model, 64 entries, start at symbol 0
/// </summary>
SELECTOR_0 = 0,
/// <summary>
/// Literal model, 64 entries, start at symbol 64
/// </summary>
SELECTOR_1 = 1,
/// <summary>
/// Literal model, 64 entries, start at symbol 128
/// </summary>
SELECTOR_2 = 2,
/// <summary>
/// Literal model, 64 entries, start at symbol 192
/// </summary>
SELECTOR_3 = 3,
/// <summary>
/// LZ model, 3 character matches, max 24 entries, start at symbol 0
/// </summary>
SELECTOR_4 = 4,
/// <summary>
/// LZ model, 4 character matches, max 36 entries, start at symbol 0
/// </summary>
SELECTOR_5 = 5,
/// <summary>
/// LZ model, 5+ character matches, max 42 entries, start at symbol 0
/// </summary>
SELECTOR_6_POSITION = 6,
/// <summary>
/// LZ model, 5+ character matches, 27 entries, start at symbol 0
/// </summary>
SELECTOR_6_LENGTH = 7,
}
}

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namespace SabreTools.Models.Compression.Quantum
{
/// <see href="http://www.russotto.net/quantumcomp.html"/>
public sealed class Model
{
public int Entries { get; set; }
/// <remarks>
/// All the models are initialized with the symbols in symbol
/// order in the table, and with every symbol in the table
/// having a frequency of 1
/// </remarks>
public ModelSymbol[]? Symbols { get; set; }
/// <remarks>
/// The initial total frequency is equal to the number of entries
/// in the table
/// </remarks>
public int TotalFrequency { get; set; }
/// <remarks>The initial time_to_reorder value is 4</remarks>
public int TimeToReorder { get; set; }
}
}

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@@ -1,15 +0,0 @@
namespace SabreTools.Models.Compression.Quantum
{
/// <see href="http://www.russotto.net/quantumcomp.html"/>
public sealed class ModelSymbol
{
public ushort Symbol { get; set; }
/// <summary>
/// The cumulative frequency is the frequency of all the symbols
/// which are at a higher index in the table than that symbol —
/// thus the last entry in the table has a cumulative frequency of 0.
/// </summary>
public ushort CumulativeFrequency { get; set; }
}
}