dsi-bitstream 0.9.2

A Rust implementation of read/write bit streams supporting several types of instantaneous codes
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339

#![doc(hidden)]
// THIS FILE HAS BEEN GENERATED BY THE SCRIPT gen_code_tables.py
// ~~~~~~~~~~~~~~~~~~~ DO NOT MODIFY ~~~~~~~~~~~~~~~~~~~~~~
// Methods for reading and writing values using precomputed tables for delta codes
use crate::traits::{BE, BitRead, BitWrite, LE};
use num_primitive::PrimitiveNumber;
/// How many bits are needed to read the tables
pub const READ_BITS: usize = 10;
/// Maximum value writable using the table(s)
pub const WRITE_MAX: u64 = 255;

/// Reads from the decoding table.
///
/// Returns `(len_with_flag, value_or_gamma)` where:
/// - If len_with_flag >= 0: complete code, value_or_gamma is decoded value, len_with_flag is code length
/// - If len_with_flag < 0: partial code (gamma decoded), value_or_gamma is gamma_len, (len_with_flag & 0x7F) is gamma code length
/// - If len_with_flag = 0: no valid decoding (gamma not decoded)
///
/// The backend position is always advanced by (len_with_flag & 0x7F) bits.
/// Using signed i8 allows testing with `< 0` instead of masking, which is more efficient.
#[inline(always)]
pub fn read_table_le<B: BitRead<LE>>(backend: &mut B) -> (i8, u64) {
    if let Ok(idx) = backend.peek_bits(READ_BITS) {
        let idx: usize = idx.as_to();
        let len_with_flag = READ_LEN_LE[idx];
        let value_or_gamma = READ_LE[idx] as u64;
        backend.skip_bits_after_peek((len_with_flag & 0x7F) as usize);
        (len_with_flag, value_or_gamma)
    } else {
        // Not enough bits available
        (0, 0)
    }
}

/// Reads from the decoding table.
///
/// Returns `(len_with_flag, value_or_gamma)` where:
/// - If len_with_flag >= 0: complete code, value_or_gamma is decoded value, len_with_flag is code length
/// - If len_with_flag < 0: partial code (gamma decoded), value_or_gamma is gamma_len, (len_with_flag & 0x7F) is gamma code length
/// - If len_with_flag = 0: no valid decoding (gamma not decoded)
///
/// The backend position is always advanced by (len_with_flag & 0x7F) bits.
/// Using signed i8 allows testing with `< 0` instead of masking, which is more efficient.
#[inline(always)]
pub fn read_table_be<B: BitRead<BE>>(backend: &mut B) -> (i8, u64) {
    if let Ok(idx) = backend.peek_bits(READ_BITS) {
        let idx: usize = idx.as_to();
        let len_with_flag = READ_LEN_BE[idx];
        let value_or_gamma = READ_BE[idx] as u64;
        backend.skip_bits_after_peek((len_with_flag & 0x7F) as usize);
        (len_with_flag, value_or_gamma)
    } else {
        // Not enough bits available
        (0, 0)
    }
}

/// Writes a value using an encoding table.
///
/// If the result is `Some` the encoding was successful, and
/// length of the code is returned.
#[inline(always)]
pub fn write_table_le<B: BitWrite<LE>>(backend: &mut B, n: u64) -> Result<Option<usize>, B::Error> {
    // We cannot use .get() here because n is a u64
    if n >= WRITE_LE.len() as u64 {
        return Ok(None);
    }
    let n = n as usize;
    let len = WRITE_LEN_LE[n] as usize;
    backend.write_bits(WRITE_LE[n] as u64, len)?;
    Ok(Some(len))
}

/// Writes a value using an encoding table.
///
/// If the result is `Some` the encoding was successful, and
/// length of the code is returned.
#[inline(always)]
pub fn write_table_be<B: BitWrite<BE>>(backend: &mut B, n: u64) -> Result<Option<usize>, B::Error> {
    // We cannot use .get() here because n is a u64
    if n >= WRITE_BE.len() as u64 {
        return Ok(None);
    }
    let n = n as usize;
    let len = WRITE_LEN_BE[n] as usize;
    backend.write_bits(WRITE_BE[n] as u64, len)?;
    Ok(Some(len))
}
/// Precomputed table for reading delta codes
/// For complete codes: stores the decoded value
/// For partial codes: stores the gamma_len (length of the following fixed part)
pub const READ_BE: &[u8] = &[
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    15, 15, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26,
    27, 27, 28, 28, 29, 29, 30, 30, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9,
    9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12,
    12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 8, 8,
    8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14,
    14, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26,
    26, 27, 27, 28, 28, 29, 29, 30, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45,
    46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 6, 6, 6, 6, 6, 6, 6, 6, 6,
    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2,
    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3,
    3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4,
    4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6,
    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
];
/// Precomputed lengths table for reading delta codes
/// Positive (< 0x80): complete code length
/// Negative (>= 0x80 when viewed as u8): (value & 0x7F) is gamma code length (bits consumed)
/// Zero: no valid decoding (gamma not decoded)
pub const READ_LEN_BE: &[i8] = &[
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    -119, -119, -119, -119, -119, -119, -119, -119, -119, -119, -119, -119, -119, -119, -119, -119,
    -119, -119, -119, -119, -119, -119, -119, -119, -119, -119, -119, -119, -119, -119, -119, -119,
    -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121,
    -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121,
    -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121,
    -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121, -121,
    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
    10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
    10, 10, 10, 10, 10, 10, 10, 10, -123, -123, -123, -123, -123, -123, -123, -123, -123, -123,
    -123, -123, -123, -123, -123, -123, -123, -123, -123, -123, -123, -123, -123, -123, -123, -123,
    -123, -123, -123, -123, -123, -123, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
    4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
    4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
    4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
    4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
];
/// Precomputed table for reading delta codes
/// For complete codes: stores the decoded value
/// For partial codes: stores the gamma_len (length of the following fixed part)
pub const READ_LE: &[u8] = &[
    0, 0, 1, 0, 7, 0, 3, 0, 7, 0, 2, 0, 15, 0, 4, 0, 15, 0, 1, 0, 31, 0, 5, 0, 8, 0, 2, 0, 6, 0, 6,
    0, 0, 0, 1, 0, 8, 0, 3, 0, 9, 0, 2, 0, 16, 0, 4, 0, 16, 0, 1, 0, 32, 0, 5, 0, 10, 0, 2, 0, 6,
    0, 6, 0, 0, 0, 1, 0, 9, 0, 3, 0, 11, 0, 2, 0, 17, 0, 4, 0, 17, 0, 1, 0, 33, 0, 5, 0, 12, 0, 2,
    0, 6, 0, 6, 0, 0, 0, 1, 0, 10, 0, 3, 0, 13, 0, 2, 0, 18, 0, 4, 0, 18, 0, 1, 0, 34, 0, 5, 0, 14,
    0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 11, 0, 3, 0, 7, 0, 2, 0, 19, 0, 4, 0, 19, 0, 1, 0, 35, 0, 5,
    0, 8, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 12, 0, 3, 0, 9, 0, 2, 0, 20, 0, 4, 0, 20, 0, 1, 0, 36,
    0, 5, 0, 10, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 13, 0, 3, 0, 11, 0, 2, 0, 21, 0, 4, 0, 21, 0, 1,
    0, 37, 0, 5, 0, 12, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 14, 0, 3, 0, 13, 0, 2, 0, 22, 0, 4, 0, 22,
    0, 1, 0, 38, 0, 5, 0, 14, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 7, 0, 3, 0, 7, 0, 2, 0, 23, 0, 4, 0,
    23, 0, 1, 0, 39, 0, 5, 0, 8, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 8, 0, 3, 0, 9, 0, 2, 0, 24, 0, 4,
    0, 24, 0, 1, 0, 40, 0, 5, 0, 10, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 9, 0, 3, 0, 11, 0, 2, 0, 25,
    0, 4, 0, 25, 0, 1, 0, 41, 0, 5, 0, 12, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 10, 0, 3, 0, 13, 0, 2,
    0, 26, 0, 4, 0, 26, 0, 1, 0, 42, 0, 5, 0, 14, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 11, 0, 3, 0, 7,
    0, 2, 0, 27, 0, 4, 0, 27, 0, 1, 0, 43, 0, 5, 0, 8, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 12, 0, 3,
    0, 9, 0, 2, 0, 28, 0, 4, 0, 28, 0, 1, 0, 44, 0, 5, 0, 10, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 13,
    0, 3, 0, 11, 0, 2, 0, 29, 0, 4, 0, 29, 0, 1, 0, 45, 0, 5, 0, 12, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1,
    0, 14, 0, 3, 0, 13, 0, 2, 0, 30, 0, 4, 0, 30, 0, 1, 0, 46, 0, 5, 0, 14, 0, 2, 0, 6, 0, 6, 0, 0,
    0, 1, 0, 7, 0, 3, 0, 7, 0, 2, 0, 15, 0, 4, 0, 15, 0, 1, 0, 47, 0, 5, 0, 8, 0, 2, 0, 6, 0, 6, 0,
    0, 0, 1, 0, 8, 0, 3, 0, 9, 0, 2, 0, 16, 0, 4, 0, 16, 0, 1, 0, 48, 0, 5, 0, 10, 0, 2, 0, 6, 0,
    6, 0, 0, 0, 1, 0, 9, 0, 3, 0, 11, 0, 2, 0, 17, 0, 4, 0, 17, 0, 1, 0, 49, 0, 5, 0, 12, 0, 2, 0,
    6, 0, 6, 0, 0, 0, 1, 0, 10, 0, 3, 0, 13, 0, 2, 0, 18, 0, 4, 0, 18, 0, 1, 0, 50, 0, 5, 0, 14, 0,
    2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 11, 0, 3, 0, 7, 0, 2, 0, 19, 0, 4, 0, 19, 0, 1, 0, 51, 0, 5, 0,
    8, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 12, 0, 3, 0, 9, 0, 2, 0, 20, 0, 4, 0, 20, 0, 1, 0, 52, 0,
    5, 0, 10, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 13, 0, 3, 0, 11, 0, 2, 0, 21, 0, 4, 0, 21, 0, 1, 0,
    53, 0, 5, 0, 12, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 14, 0, 3, 0, 13, 0, 2, 0, 22, 0, 4, 0, 22, 0,
    1, 0, 54, 0, 5, 0, 14, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 7, 0, 3, 0, 7, 0, 2, 0, 23, 0, 4, 0,
    23, 0, 1, 0, 55, 0, 5, 0, 8, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 8, 0, 3, 0, 9, 0, 2, 0, 24, 0, 4,
    0, 24, 0, 1, 0, 56, 0, 5, 0, 10, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 9, 0, 3, 0, 11, 0, 2, 0, 25,
    0, 4, 0, 25, 0, 1, 0, 57, 0, 5, 0, 12, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 10, 0, 3, 0, 13, 0, 2,
    0, 26, 0, 4, 0, 26, 0, 1, 0, 58, 0, 5, 0, 14, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 11, 0, 3, 0, 7,
    0, 2, 0, 27, 0, 4, 0, 27, 0, 1, 0, 59, 0, 5, 0, 8, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 12, 0, 3,
    0, 9, 0, 2, 0, 28, 0, 4, 0, 28, 0, 1, 0, 60, 0, 5, 0, 10, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1, 0, 13,
    0, 3, 0, 11, 0, 2, 0, 29, 0, 4, 0, 29, 0, 1, 0, 61, 0, 5, 0, 12, 0, 2, 0, 6, 0, 6, 0, 0, 0, 1,
    0, 14, 0, 3, 0, 13, 0, 2, 0, 30, 0, 4, 0, 30, 0, 1, 0, 62, 0, 5, 0, 14, 0, 2, 0, 6, 0, 6, 0,
];
/// Precomputed lengths table for reading delta codes
/// Positive (< 0x80): complete code length
/// Negative (>= 0x80 when viewed as u8): (value & 0x7F) is gamma code length (bits consumed)
/// Zero: no valid decoding (gamma not decoded)
pub const READ_LEN_LE: &[i8] = &[
    0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1,
    -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1,
    -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1,
    10, 1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1,
    -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4,
    1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5,
    1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1,
    4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123,
    1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121,
    1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10,
    1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119,
    1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9,
    1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1,
    -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4,
    1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123, 1,
    5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121, 1,
    4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1,
    5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1,
    4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1,
    5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121,
    1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8,
    1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1,
    0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1,
    -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1,
    -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1,
    10, 1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1,
    -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4,
    1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5,
    1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1,
    4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123,
    1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121,
    1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10,
    1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119,
    1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1, -121, 1, 4, 1, 9,
    1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4, 1, 8, 1, 5, 1,
    -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123, 1, 5, 1, 0, 1, 4,
    1, 8, 1, 5, 1, -121, 1, 4, 1, 9, 1, 5, 1, -119, 1, 4, 1, 10, 1, 5, 1, -121, 1, 4, 1, -123, 1,
    5, 1,
];
/// Table used to speed up the writing of delta codes
pub const WRITE_BE: &[u16] = &[
    1, 4, 5, 12, 13, 14, 15, 32, 33, 34, 35, 36, 37, 38, 39, 80, 81, 82, 83, 84, 85, 86, 87, 88,
    89, 90, 91, 92, 93, 94, 95, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204,
    205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223,
    448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, 465, 466,
    467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482, 483, 484, 485,
    486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502, 503, 504,
    505, 506, 507, 508, 509, 510, 511, 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031, 1032, 1033,
    1034, 1035, 1036, 1037, 1038, 1039, 1040, 1041, 1042, 1043, 1044, 1045, 1046, 1047, 1048, 1049,
    1050, 1051, 1052, 1053, 1054, 1055, 1056, 1057, 1058, 1059, 1060, 1061, 1062, 1063, 1064, 1065,
    1066, 1067, 1068, 1069, 1070, 1071, 1072, 1073, 1074, 1075, 1076, 1077, 1078, 1079, 1080, 1081,
    1082, 1083, 1084, 1085, 1086, 1087, 1088, 1089, 1090, 1091, 1092, 1093, 1094, 1095, 1096, 1097,
    1098, 1099, 1100, 1101, 1102, 1103, 1104, 1105, 1106, 1107, 1108, 1109, 1110, 1111, 1112, 1113,
    1114, 1115, 1116, 1117, 1118, 1119, 1120, 1121, 1122, 1123, 1124, 1125, 1126, 1127, 1128, 1129,
    1130, 1131, 1132, 1133, 1134, 1135, 1136, 1137, 1138, 1139, 1140, 1141, 1142, 1143, 1144, 1145,
    1146, 1147, 1148, 1149, 1150, 1151, 2304,
];
/// Table used to speed up the writing of delta codes
pub const WRITE_LEN_BE: &[u16] = &[
    1, 4, 4, 5, 5, 5, 5, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
    10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
    10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
    11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
    11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
    14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
    14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
    14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
    14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
    14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
    14, 14, 14, 14, 14, 14, 14, 14, 15,
];
/// Table used to speed up the writing of delta codes
pub const WRITE_LE: &[u16] = &[
    1, 2, 10, 6, 14, 22, 30, 4, 36, 68, 100, 132, 164, 196, 228, 12, 44, 76, 108, 140, 172, 204,
    236, 268, 300, 332, 364, 396, 428, 460, 492, 20, 52, 84, 116, 148, 180, 212, 244, 276, 308,
    340, 372, 404, 436, 468, 500, 532, 564, 596, 628, 660, 692, 724, 756, 788, 820, 852, 884, 916,
    948, 980, 1012, 28, 60, 92, 124, 156, 188, 220, 252, 284, 316, 348, 380, 412, 444, 476, 508,
    540, 572, 604, 636, 668, 700, 732, 764, 796, 828, 860, 892, 924, 956, 988, 1020, 1052, 1084,
    1116, 1148, 1180, 1212, 1244, 1276, 1308, 1340, 1372, 1404, 1436, 1468, 1500, 1532, 1564, 1596,
    1628, 1660, 1692, 1724, 1756, 1788, 1820, 1852, 1884, 1916, 1948, 1980, 2012, 2044, 8, 136,
    264, 392, 520, 648, 776, 904, 1032, 1160, 1288, 1416, 1544, 1672, 1800, 1928, 2056, 2184, 2312,
    2440, 2568, 2696, 2824, 2952, 3080, 3208, 3336, 3464, 3592, 3720, 3848, 3976, 4104, 4232, 4360,
    4488, 4616, 4744, 4872, 5000, 5128, 5256, 5384, 5512, 5640, 5768, 5896, 6024, 6152, 6280, 6408,
    6536, 6664, 6792, 6920, 7048, 7176, 7304, 7432, 7560, 7688, 7816, 7944, 8072, 8200, 8328, 8456,
    8584, 8712, 8840, 8968, 9096, 9224, 9352, 9480, 9608, 9736, 9864, 9992, 10120, 10248, 10376,
    10504, 10632, 10760, 10888, 11016, 11144, 11272, 11400, 11528, 11656, 11784, 11912, 12040,
    12168, 12296, 12424, 12552, 12680, 12808, 12936, 13064, 13192, 13320, 13448, 13576, 13704,
    13832, 13960, 14088, 14216, 14344, 14472, 14600, 14728, 14856, 14984, 15112, 15240, 15368,
    15496, 15624, 15752, 15880, 16008, 16136, 16264, 24,
];
/// Table used to speed up the writing of delta codes
pub const WRITE_LEN_LE: &[u16] = &[
    1, 4, 4, 5, 5, 5, 5, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
    10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
    10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
    11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
    11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
    14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
    14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
    14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
    14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
    14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
    14, 14, 14, 14, 14, 14, 14, 14, 15,
];
/// Table used to speed up the skipping of delta codes
pub const LEN: &[u8] = &[
    1, 4, 4, 5, 5, 5, 5, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
    10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
    10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
    11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
    11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
    14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
    14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
    14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
    14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
    14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
    14, 14, 14, 14, 14, 14, 14, 14, 15,
];
/// Asserts at compile time that `peek_bits` is large enough for these tables.
pub const fn check_read_table(peek_bits: usize) {
    assert!(
        peek_bits >= READ_BITS,
        "BitRead peek word too small for delta code read tables (10 bits required)"
    );
}