Commit 3a11c86837562dd6caf143e21ca8562a8374b08a | zig

author	Andrew Kelley <andrew@ziglang.org> 2026-06-26 15:25:42-07:00
committer	Andrew Kelley <andrew@ziglang.org> 2026-06-26 16:07:53-07:00
log	3a11c86837562dd6caf143e21ca8562a8374b08a
tree	06db7adfba7cc3878636b2b3ab9ab4b3b6dc833c
parent	32b44497e228c676de17d6c2a2ce78cf145a97c9

std.hash.crc: fix namespace issues

in accordance with the style guide in the langref

5 files changed, 220 insertions(+), 237 deletions(-)

lib
- std
  - debug
    ElfFile.zig
  - hash.zig
  - hash
    benchmark.zig
    crc.zig
    crc
    impl.zig

lib/std/debug/ElfFile.zig+1-1

...	@@ -455,7 +455,7 @@ fn loadInner(	...	@@ -455,7 +455,7 @@ fn loadInner(
455	};	455	};
456		456
457	if (opt_crc) \|crc\| {	457	if (opt_crc) \|crc\| {
458	if (std.hash.crc.Crc32.hash(mapped_mem) != crc) {	458	if (std.hash.Crc32.hash(mapped_mem) != crc) {
459	return error.CrcMismatch;	459	return error.CrcMismatch;
460	}	460	}
461	}	461	}

lib/std/hash.zig+1-2

 @@ -5,9 +5,8 @@ pub const autoHash = auto_hash.autoHash;
 pub const autoHashStrat = auto_hash.hash;
 pub const Strategy = auto_hash.HashStrategy;
-// pub for polynomials + generic crc32 construction
 pub const crc = @import("hash/crc.zig");
-pub const Crc32 = crc.Crc32;
+pub const Crc32 = crc.Crc32IsoHdlc;
 const fnv = @import("hash/fnv.zig");
 pub const Fnv1a_32 = fnv.Fnv1a_32;

lib/std/hash/benchmark.zig+1-1

...	@@ -61,7 +61,7 @@ const hashes = [_]Hash{	...	@@ -61,7 +61,7 @@ const hashes = [_]Hash{
61	.init_default = true,	61	.init_default = true,
62	},	62	},
63	Hash{	63	Hash{
64	.ty = hash.crc.Crc32,	64	.ty = hash.Crc32,
65	.name = "crc32",	65	.name = "crc32",
66	},	66	},
67	Hash{	67	Hash{

lib/std/hash/crc.zig+217-130

...	@@ -1,31 +1,19 @@	...	@@ -1,31 +1,19 @@
1	//! This file is auto-generated by tools/update_crc_catalog.zig.	1	//! This file is maintained with the help of tools/update_crc_catalog.zig.
2		2
3	const builtin = @import("builtin");	3	const builtin = @import("builtin");
4	const impl = @import("crc/impl.zig");
5		4
6	pub const Crc = impl.Crc;	5	pub const Crc32Iscsi = if (builtin.cpu.hasAll(.x86, &.{ .@"64bit", .crc32 }))
7	pub const Polynomial = impl.Polynomial;	6	@import("crc/Crc32c.zig")
8	pub const Crc32WithPoly = impl.Crc32WithPoly;	7	else
9	pub const Crc32SmallWithPoly = impl.Crc32SmallWithPoly;	8	Generic(u32, .{
10
11	pub const Crc32 = Crc32IsoHdlc;
12
13	test {
14	_ = @import("crc/test.zig");
15	}
16
17	pub const Crc32Iscsi = switch (builtin.cpu.hasAll(.x86, &.{ .@"64bit", .crc32 })) {
18	true => @import("crc/Crc32c.zig"),
19	else => Crc(u32, .{
20	.polynomial = 0x1edc6f41,	9	.polynomial = 0x1edc6f41,
21	.initial = 0xffffffff,	10	.initial = 0xffffffff,
22	.reflect_input = true,	11	.reflect_input = true,
23	.reflect_output = true,	12	.reflect_output = true,
24	.xor_output = 0xffffffff,	13	.xor_output = 0xffffffff,
25	}),	14	});
26	};
27		15
28	pub const Crc3Gsm = Crc(u3, .{	16	pub const Crc3Gsm = Generic(u3, .{
29	.polynomial = 0x3,	17	.polynomial = 0x3,
30	.initial = 0x0,	18	.initial = 0x0,
31	.reflect_input = false,	19	.reflect_input = false,
...	@@ -33,7 +21,7 @@ pub const Crc3Gsm = Crc(u3, .{	...	@@ -33,7 +21,7 @@ pub const Crc3Gsm = Crc(u3, .{
33	.xor_output = 0x7,	21	.xor_output = 0x7,
34	});	22	});
35		23
36	pub const Crc3Rohc = Crc(u3, .{	24	pub const Crc3Rohc = Generic(u3, .{
37	.polynomial = 0x3,	25	.polynomial = 0x3,
38	.initial = 0x7,	26	.initial = 0x7,
39	.reflect_input = true,	27	.reflect_input = true,
...	@@ -41,7 +29,7 @@ pub const Crc3Rohc = Crc(u3, .{	...	@@ -41,7 +29,7 @@ pub const Crc3Rohc = Crc(u3, .{
41	.xor_output = 0x0,	29	.xor_output = 0x0,
42	});	30	});
43		31
44	pub const Crc4G704 = Crc(u4, .{	32	pub const Crc4G704 = Generic(u4, .{
45	.polynomial = 0x3,	33	.polynomial = 0x3,
46	.initial = 0x0,	34	.initial = 0x0,
47	.reflect_input = true,	35	.reflect_input = true,
...	@@ -49,7 +37,7 @@ pub const Crc4G704 = Crc(u4, .{	...	@@ -49,7 +37,7 @@ pub const Crc4G704 = Crc(u4, .{
49	.xor_output = 0x0,	37	.xor_output = 0x0,
50	});	38	});
51		39
52	pub const Crc4Interlaken = Crc(u4, .{	40	pub const Crc4Interlaken = Generic(u4, .{
53	.polynomial = 0x3,	41	.polynomial = 0x3,
54	.initial = 0xf,	42	.initial = 0xf,
55	.reflect_input = false,	43	.reflect_input = false,
...	@@ -57,7 +45,7 @@ pub const Crc4Interlaken = Crc(u4, .{	...	@@ -57,7 +45,7 @@ pub const Crc4Interlaken = Crc(u4, .{
57	.xor_output = 0xf,	45	.xor_output = 0xf,
58	});	46	});
59		47
60	pub const Crc5EpcC1g2 = Crc(u5, .{	48	pub const Crc5EpcC1g2 = Generic(u5, .{
61	.polynomial = 0x09,	49	.polynomial = 0x09,
62	.initial = 0x09,	50	.initial = 0x09,
63	.reflect_input = false,	51	.reflect_input = false,
...	@@ -65,7 +53,7 @@ pub const Crc5EpcC1g2 = Crc(u5, .{	...	@@ -65,7 +53,7 @@ pub const Crc5EpcC1g2 = Crc(u5, .{
65	.xor_output = 0x00,	53	.xor_output = 0x00,
66	});	54	});
67		55
68	pub const Crc5G704 = Crc(u5, .{	56	pub const Crc5G704 = Generic(u5, .{
69	.polynomial = 0x15,	57	.polynomial = 0x15,
70	.initial = 0x00,	58	.initial = 0x00,
71	.reflect_input = true,	59	.reflect_input = true,
...	@@ -73,7 +61,7 @@ pub const Crc5G704 = Crc(u5, .{	...	@@ -73,7 +61,7 @@ pub const Crc5G704 = Crc(u5, .{
73	.xor_output = 0x00,	61	.xor_output = 0x00,
74	});	62	});
75		63
76	pub const Crc5Usb = Crc(u5, .{	64	pub const Crc5Usb = Generic(u5, .{
77	.polynomial = 0x05,	65	.polynomial = 0x05,
78	.initial = 0x1f,	66	.initial = 0x1f,
79	.reflect_input = true,	67	.reflect_input = true,
...	@@ -81,7 +69,7 @@ pub const Crc5Usb = Crc(u5, .{	...	@@ -81,7 +69,7 @@ pub const Crc5Usb = Crc(u5, .{
81	.xor_output = 0x1f,	69	.xor_output = 0x1f,
82	});	70	});
83		71
84	pub const Crc6Cdma2000A = Crc(u6, .{	72	pub const Crc6Cdma2000A = Generic(u6, .{
85	.polynomial = 0x27,	73	.polynomial = 0x27,
86	.initial = 0x3f,	74	.initial = 0x3f,
87	.reflect_input = false,	75	.reflect_input = false,
...	@@ -89,7 +77,7 @@ pub const Crc6Cdma2000A = Crc(u6, .{	...	@@ -89,7 +77,7 @@ pub const Crc6Cdma2000A = Crc(u6, .{
89	.xor_output = 0x00,	77	.xor_output = 0x00,
90	});	78	});
91		79
92	pub const Crc6Cdma2000B = Crc(u6, .{	80	pub const Crc6Cdma2000B = Generic(u6, .{
93	.polynomial = 0x07,	81	.polynomial = 0x07,
94	.initial = 0x3f,	82	.initial = 0x3f,
95	.reflect_input = false,	83	.reflect_input = false,
...	@@ -97,7 +85,7 @@ pub const Crc6Cdma2000B = Crc(u6, .{	...	@@ -97,7 +85,7 @@ pub const Crc6Cdma2000B = Crc(u6, .{
97	.xor_output = 0x00,	85	.xor_output = 0x00,
98	});	86	});
99		87
100	pub const Crc6Darc = Crc(u6, .{	88	pub const Crc6Darc = Generic(u6, .{
101	.polynomial = 0x19,	89	.polynomial = 0x19,
102	.initial = 0x00,	90	.initial = 0x00,
103	.reflect_input = true,	91	.reflect_input = true,
...	@@ -105,7 +93,7 @@ pub const Crc6Darc = Crc(u6, .{	...	@@ -105,7 +93,7 @@ pub const Crc6Darc = Crc(u6, .{
105	.xor_output = 0x00,	93	.xor_output = 0x00,
106	});	94	});
107		95
108	pub const Crc6G704 = Crc(u6, .{	96	pub const Crc6G704 = Generic(u6, .{
109	.polynomial = 0x03,	97	.polynomial = 0x03,
110	.initial = 0x00,	98	.initial = 0x00,
111	.reflect_input = true,	99	.reflect_input = true,
...	@@ -113,7 +101,7 @@ pub const Crc6G704 = Crc(u6, .{	...	@@ -113,7 +101,7 @@ pub const Crc6G704 = Crc(u6, .{
113	.xor_output = 0x00,	101	.xor_output = 0x00,
114	});	102	});
115		103
116	pub const Crc6Gsm = Crc(u6, .{	104	pub const Crc6Gsm = Generic(u6, .{
117	.polynomial = 0x2f,	105	.polynomial = 0x2f,
118	.initial = 0x00,	106	.initial = 0x00,
119	.reflect_input = false,	107	.reflect_input = false,
...	@@ -121,7 +109,7 @@ pub const Crc6Gsm = Crc(u6, .{	...	@@ -121,7 +109,7 @@ pub const Crc6Gsm = Crc(u6, .{
121	.xor_output = 0x3f,	109	.xor_output = 0x3f,
122	});	110	});
123		111
124	pub const Crc7Mmc = Crc(u7, .{	112	pub const Crc7Mmc = Generic(u7, .{
125	.polynomial = 0x09,	113	.polynomial = 0x09,
126	.initial = 0x00,	114	.initial = 0x00,
127	.reflect_input = false,	115	.reflect_input = false,
...	@@ -129,7 +117,7 @@ pub const Crc7Mmc = Crc(u7, .{	...	@@ -129,7 +117,7 @@ pub const Crc7Mmc = Crc(u7, .{
129	.xor_output = 0x00,	117	.xor_output = 0x00,
130	});	118	});
131		119
132	pub const Crc7Rohc = Crc(u7, .{	120	pub const Crc7Rohc = Generic(u7, .{
133	.polynomial = 0x4f,	121	.polynomial = 0x4f,
134	.initial = 0x7f,	122	.initial = 0x7f,
135	.reflect_input = true,	123	.reflect_input = true,
...	@@ -137,7 +125,7 @@ pub const Crc7Rohc = Crc(u7, .{	...	@@ -137,7 +125,7 @@ pub const Crc7Rohc = Crc(u7, .{
137	.xor_output = 0x00,	125	.xor_output = 0x00,
138	});	126	});
139		127
140	pub const Crc7Umts = Crc(u7, .{	128	pub const Crc7Umts = Generic(u7, .{
141	.polynomial = 0x45,	129	.polynomial = 0x45,
142	.initial = 0x00,	130	.initial = 0x00,
143	.reflect_input = false,	131	.reflect_input = false,
...	@@ -145,7 +133,7 @@ pub const Crc7Umts = Crc(u7, .{	...	@@ -145,7 +133,7 @@ pub const Crc7Umts = Crc(u7, .{
145	.xor_output = 0x00,	133	.xor_output = 0x00,
146	});	134	});
147		135
148	pub const Crc8Autosar = Crc(u8, .{	136	pub const Crc8Autosar = Generic(u8, .{
149	.polynomial = 0x2f,	137	.polynomial = 0x2f,
150	.initial = 0xff,	138	.initial = 0xff,
151	.reflect_input = false,	139	.reflect_input = false,
...	@@ -153,7 +141,7 @@ pub const Crc8Autosar = Crc(u8, .{	...	@@ -153,7 +141,7 @@ pub const Crc8Autosar = Crc(u8, .{
153	.xor_output = 0xff,	141	.xor_output = 0xff,
154	});	142	});
155		143
156	pub const Crc8Bluetooth = Crc(u8, .{	144	pub const Crc8Bluetooth = Generic(u8, .{
157	.polynomial = 0xa7,	145	.polynomial = 0xa7,
158	.initial = 0x00,	146	.initial = 0x00,
159	.reflect_input = true,	147	.reflect_input = true,
...	@@ -161,7 +149,7 @@ pub const Crc8Bluetooth = Crc(u8, .{	...	@@ -161,7 +149,7 @@ pub const Crc8Bluetooth = Crc(u8, .{
161	.xor_output = 0x00,	149	.xor_output = 0x00,
162	});	150	});
163		151
164	pub const Crc8Cdma2000 = Crc(u8, .{	152	pub const Crc8Cdma2000 = Generic(u8, .{
165	.polynomial = 0x9b,	153	.polynomial = 0x9b,
166	.initial = 0xff,	154	.initial = 0xff,
167	.reflect_input = false,	155	.reflect_input = false,
...	@@ -169,7 +157,7 @@ pub const Crc8Cdma2000 = Crc(u8, .{	...	@@ -169,7 +157,7 @@ pub const Crc8Cdma2000 = Crc(u8, .{
169	.xor_output = 0x00,	157	.xor_output = 0x00,
170	});	158	});
171		159
172	pub const Crc8Darc = Crc(u8, .{	160	pub const Crc8Darc = Generic(u8, .{
173	.polynomial = 0x39,	161	.polynomial = 0x39,
174	.initial = 0x00,	162	.initial = 0x00,
175	.reflect_input = true,	163	.reflect_input = true,
...	@@ -177,7 +165,7 @@ pub const Crc8Darc = Crc(u8, .{	...	@@ -177,7 +165,7 @@ pub const Crc8Darc = Crc(u8, .{
177	.xor_output = 0x00,	165	.xor_output = 0x00,
178	});	166	});
179		167
180	pub const Crc8DvbS2 = Crc(u8, .{	168	pub const Crc8DvbS2 = Generic(u8, .{
181	.polynomial = 0xd5,	169	.polynomial = 0xd5,
182	.initial = 0x00,	170	.initial = 0x00,
183	.reflect_input = false,	171	.reflect_input = false,
...	@@ -185,7 +173,7 @@ pub const Crc8DvbS2 = Crc(u8, .{	...	@@ -185,7 +173,7 @@ pub const Crc8DvbS2 = Crc(u8, .{
185	.xor_output = 0x00,	173	.xor_output = 0x00,
186	});	174	});
187		175
188	pub const Crc8GsmA = Crc(u8, .{	176	pub const Crc8GsmA = Generic(u8, .{
189	.polynomial = 0x1d,	177	.polynomial = 0x1d,
190	.initial = 0x00,	178	.initial = 0x00,
191	.reflect_input = false,	179	.reflect_input = false,
...	@@ -193,7 +181,7 @@ pub const Crc8GsmA = Crc(u8, .{	...	@@ -193,7 +181,7 @@ pub const Crc8GsmA = Crc(u8, .{
193	.xor_output = 0x00,	181	.xor_output = 0x00,
194	});	182	});
195		183
196	pub const Crc8GsmB = Crc(u8, .{	184	pub const Crc8GsmB = Generic(u8, .{
197	.polynomial = 0x49,	185	.polynomial = 0x49,
198	.initial = 0x00,	186	.initial = 0x00,
199	.reflect_input = false,	187	.reflect_input = false,
...	@@ -201,7 +189,7 @@ pub const Crc8GsmB = Crc(u8, .{	...	@@ -201,7 +189,7 @@ pub const Crc8GsmB = Crc(u8, .{
201	.xor_output = 0xff,	189	.xor_output = 0xff,
202	});	190	});
203		191
204	pub const Crc8Hitag = Crc(u8, .{	192	pub const Crc8Hitag = Generic(u8, .{
205	.polynomial = 0x1d,	193	.polynomial = 0x1d,
206	.initial = 0xff,	194	.initial = 0xff,
207	.reflect_input = false,	195	.reflect_input = false,
...	@@ -209,7 +197,7 @@ pub const Crc8Hitag = Crc(u8, .{	...	@@ -209,7 +197,7 @@ pub const Crc8Hitag = Crc(u8, .{
209	.xor_output = 0x00,	197	.xor_output = 0x00,
210	});	198	});
211		199
212	pub const Crc8I4321 = Crc(u8, .{	200	pub const Crc8I4321 = Generic(u8, .{
213	.polynomial = 0x07,	201	.polynomial = 0x07,
214	.initial = 0x00,	202	.initial = 0x00,
215	.reflect_input = false,	203	.reflect_input = false,
...	@@ -217,7 +205,7 @@ pub const Crc8I4321 = Crc(u8, .{	...	@@ -217,7 +205,7 @@ pub const Crc8I4321 = Crc(u8, .{
217	.xor_output = 0x55,	205	.xor_output = 0x55,
218	});	206	});
219		207
220	pub const Crc8ICode = Crc(u8, .{	208	pub const Crc8ICode = Generic(u8, .{
221	.polynomial = 0x1d,	209	.polynomial = 0x1d,
222	.initial = 0xfd,	210	.initial = 0xfd,
223	.reflect_input = false,	211	.reflect_input = false,
...	@@ -225,7 +213,7 @@ pub const Crc8ICode = Crc(u8, .{	...	@@ -225,7 +213,7 @@ pub const Crc8ICode = Crc(u8, .{
225	.xor_output = 0x00,	213	.xor_output = 0x00,
226	});	214	});
227		215
228	pub const Crc8Lte = Crc(u8, .{	216	pub const Crc8Lte = Generic(u8, .{
229	.polynomial = 0x9b,	217	.polynomial = 0x9b,
230	.initial = 0x00,	218	.initial = 0x00,
231	.reflect_input = false,	219	.reflect_input = false,
...	@@ -233,7 +221,7 @@ pub const Crc8Lte = Crc(u8, .{	...	@@ -233,7 +221,7 @@ pub const Crc8Lte = Crc(u8, .{
233	.xor_output = 0x00,	221	.xor_output = 0x00,
234	});	222	});
235		223
236	pub const Crc8MaximDow = Crc(u8, .{	224	pub const Crc8MaximDow = Generic(u8, .{
237	.polynomial = 0x31,	225	.polynomial = 0x31,
238	.initial = 0x00,	226	.initial = 0x00,
239	.reflect_input = true,	227	.reflect_input = true,
...	@@ -241,7 +229,7 @@ pub const Crc8MaximDow = Crc(u8, .{	...	@@ -241,7 +229,7 @@ pub const Crc8MaximDow = Crc(u8, .{
241	.xor_output = 0x00,	229	.xor_output = 0x00,
242	});	230	});
243		231
244	pub const Crc8MifareMad = Crc(u8, .{	232	pub const Crc8MifareMad = Generic(u8, .{
245	.polynomial = 0x1d,	233	.polynomial = 0x1d,
246	.initial = 0xc7,	234	.initial = 0xc7,
247	.reflect_input = false,	235	.reflect_input = false,
...	@@ -249,7 +237,7 @@ pub const Crc8MifareMad = Crc(u8, .{	...	@@ -249,7 +237,7 @@ pub const Crc8MifareMad = Crc(u8, .{
249	.xor_output = 0x00,	237	.xor_output = 0x00,
250	});	238	});
251		239
252	pub const Crc8Nrsc5 = Crc(u8, .{	240	pub const Crc8Nrsc5 = Generic(u8, .{
253	.polynomial = 0x31,	241	.polynomial = 0x31,
254	.initial = 0xff,	242	.initial = 0xff,
255	.reflect_input = false,	243	.reflect_input = false,
...	@@ -257,7 +245,7 @@ pub const Crc8Nrsc5 = Crc(u8, .{	...	@@ -257,7 +245,7 @@ pub const Crc8Nrsc5 = Crc(u8, .{
257	.xor_output = 0x00,	245	.xor_output = 0x00,
258	});	246	});
259		247
260	pub const Crc8Opensafety = Crc(u8, .{	248	pub const Crc8Opensafety = Generic(u8, .{
261	.polynomial = 0x2f,	249	.polynomial = 0x2f,
262	.initial = 0x00,	250	.initial = 0x00,
263	.reflect_input = false,	251	.reflect_input = false,
...	@@ -265,7 +253,7 @@ pub const Crc8Opensafety = Crc(u8, .{	...	@@ -265,7 +253,7 @@ pub const Crc8Opensafety = Crc(u8, .{
265	.xor_output = 0x00,	253	.xor_output = 0x00,
266	});	254	});
267		255
268	pub const Crc8Rohc = Crc(u8, .{	256	pub const Crc8Rohc = Generic(u8, .{
269	.polynomial = 0x07,	257	.polynomial = 0x07,
270	.initial = 0xff,	258	.initial = 0xff,
271	.reflect_input = true,	259	.reflect_input = true,
...	@@ -273,7 +261,7 @@ pub const Crc8Rohc = Crc(u8, .{	...	@@ -273,7 +261,7 @@ pub const Crc8Rohc = Crc(u8, .{
273	.xor_output = 0x00,	261	.xor_output = 0x00,
274	});	262	});
275		263
276	pub const Crc8SaeJ1850 = Crc(u8, .{	264	pub const Crc8SaeJ1850 = Generic(u8, .{
277	.polynomial = 0x1d,	265	.polynomial = 0x1d,
278	.initial = 0xff,	266	.initial = 0xff,
279	.reflect_input = false,	267	.reflect_input = false,
...	@@ -281,7 +269,7 @@ pub const Crc8SaeJ1850 = Crc(u8, .{	...	@@ -281,7 +269,7 @@ pub const Crc8SaeJ1850 = Crc(u8, .{
281	.xor_output = 0xff,	269	.xor_output = 0xff,
282	});	270	});
283		271
284	pub const Crc8Smbus = Crc(u8, .{	272	pub const Crc8Smbus = Generic(u8, .{
285	.polynomial = 0x07,	273	.polynomial = 0x07,
286	.initial = 0x00,	274	.initial = 0x00,
287	.reflect_input = false,	275	.reflect_input = false,
...	@@ -289,7 +277,7 @@ pub const Crc8Smbus = Crc(u8, .{	...	@@ -289,7 +277,7 @@ pub const Crc8Smbus = Crc(u8, .{
289	.xor_output = 0x00,	277	.xor_output = 0x00,
290	});	278	});
291		279
292	pub const Crc8Tech3250 = Crc(u8, .{	280	pub const Crc8Tech3250 = Generic(u8, .{
293	.polynomial = 0x1d,	281	.polynomial = 0x1d,
294	.initial = 0xff,	282	.initial = 0xff,
295	.reflect_input = true,	283	.reflect_input = true,
...	@@ -297,7 +285,7 @@ pub const Crc8Tech3250 = Crc(u8, .{	...	@@ -297,7 +285,7 @@ pub const Crc8Tech3250 = Crc(u8, .{
297	.xor_output = 0x00,	285	.xor_output = 0x00,
298	});	286	});
299		287
300	pub const Crc8Wcdma = Crc(u8, .{	288	pub const Crc8Wcdma = Generic(u8, .{
301	.polynomial = 0x9b,	289	.polynomial = 0x9b,
302	.initial = 0x00,	290	.initial = 0x00,
303	.reflect_input = true,	291	.reflect_input = true,
...	@@ -305,7 +293,7 @@ pub const Crc8Wcdma = Crc(u8, .{	...	@@ -305,7 +293,7 @@ pub const Crc8Wcdma = Crc(u8, .{
305	.xor_output = 0x00,	293	.xor_output = 0x00,
306	});	294	});
307		295
308	pub const Crc10Atm = Crc(u10, .{	296	pub const Crc10Atm = Generic(u10, .{
309	.polynomial = 0x233,	297	.polynomial = 0x233,
310	.initial = 0x000,	298	.initial = 0x000,
311	.reflect_input = false,	299	.reflect_input = false,
...	@@ -313,7 +301,7 @@ pub const Crc10Atm = Crc(u10, .{	...	@@ -313,7 +301,7 @@ pub const Crc10Atm = Crc(u10, .{
313	.xor_output = 0x000,	301	.xor_output = 0x000,
314	});	302	});
315		303
316	pub const Crc10Cdma2000 = Crc(u10, .{	304	pub const Crc10Cdma2000 = Generic(u10, .{
317	.polynomial = 0x3d9,	305	.polynomial = 0x3d9,
318	.initial = 0x3ff,	306	.initial = 0x3ff,
319	.reflect_input = false,	307	.reflect_input = false,
...	@@ -321,7 +309,7 @@ pub const Crc10Cdma2000 = Crc(u10, .{	...	@@ -321,7 +309,7 @@ pub const Crc10Cdma2000 = Crc(u10, .{
321	.xor_output = 0x000,	309	.xor_output = 0x000,
322	});	310	});
323		311
324	pub const Crc10Gsm = Crc(u10, .{	312	pub const Crc10Gsm = Generic(u10, .{
325	.polynomial = 0x175,	313	.polynomial = 0x175,
326	.initial = 0x000,	314	.initial = 0x000,
327	.reflect_input = false,	315	.reflect_input = false,
...	@@ -329,7 +317,7 @@ pub const Crc10Gsm = Crc(u10, .{	...	@@ -329,7 +317,7 @@ pub const Crc10Gsm = Crc(u10, .{
329	.xor_output = 0x3ff,	317	.xor_output = 0x3ff,
330	});	318	});
331		319
332	pub const Crc11Flexray = Crc(u11, .{	320	pub const Crc11Flexray = Generic(u11, .{
333	.polynomial = 0x385,	321	.polynomial = 0x385,
334	.initial = 0x01a,	322	.initial = 0x01a,
335	.reflect_input = false,	323	.reflect_input = false,
...	@@ -337,7 +325,7 @@ pub const Crc11Flexray = Crc(u11, .{	...	@@ -337,7 +325,7 @@ pub const Crc11Flexray = Crc(u11, .{
337	.xor_output = 0x000,	325	.xor_output = 0x000,
338	});	326	});
339		327
340	pub const Crc11Umts = Crc(u11, .{	328	pub const Crc11Umts = Generic(u11, .{
341	.polynomial = 0x307,	329	.polynomial = 0x307,
342	.initial = 0x000,	330	.initial = 0x000,
343	.reflect_input = false,	331	.reflect_input = false,
...	@@ -345,7 +333,7 @@ pub const Crc11Umts = Crc(u11, .{	...	@@ -345,7 +333,7 @@ pub const Crc11Umts = Crc(u11, .{
345	.xor_output = 0x000,	333	.xor_output = 0x000,
346	});	334	});
347		335
348	pub const Crc12Cdma2000 = Crc(u12, .{	336	pub const Crc12Cdma2000 = Generic(u12, .{
349	.polynomial = 0xf13,	337	.polynomial = 0xf13,
350	.initial = 0xfff,	338	.initial = 0xfff,
351	.reflect_input = false,	339	.reflect_input = false,
...	@@ -353,7 +341,7 @@ pub const Crc12Cdma2000 = Crc(u12, .{	...	@@ -353,7 +341,7 @@ pub const Crc12Cdma2000 = Crc(u12, .{
353	.xor_output = 0x000,	341	.xor_output = 0x000,
354	});	342	});
355		343
356	pub const Crc12Dect = Crc(u12, .{	344	pub const Crc12Dect = Generic(u12, .{
357	.polynomial = 0x80f,	345	.polynomial = 0x80f,
358	.initial = 0x000,	346	.initial = 0x000,
359	.reflect_input = false,	347	.reflect_input = false,
...	@@ -361,7 +349,7 @@ pub const Crc12Dect = Crc(u12, .{	...	@@ -361,7 +349,7 @@ pub const Crc12Dect = Crc(u12, .{
361	.xor_output = 0x000,	349	.xor_output = 0x000,
362	});	350	});
363		351
364	pub const Crc12Gsm = Crc(u12, .{	352	pub const Crc12Gsm = Generic(u12, .{
365	.polynomial = 0xd31,	353	.polynomial = 0xd31,
366	.initial = 0x000,	354	.initial = 0x000,
367	.reflect_input = false,	355	.reflect_input = false,
...	@@ -369,7 +357,7 @@ pub const Crc12Gsm = Crc(u12, .{	...	@@ -369,7 +357,7 @@ pub const Crc12Gsm = Crc(u12, .{
369	.xor_output = 0xfff,	357	.xor_output = 0xfff,
370	});	358	});
371		359
372	pub const Crc12Umts = Crc(u12, .{	360	pub const Crc12Umts = Generic(u12, .{
373	.polynomial = 0x80f,	361	.polynomial = 0x80f,
374	.initial = 0x000,	362	.initial = 0x000,
375	.reflect_input = false,	363	.reflect_input = false,
...	@@ -377,7 +365,7 @@ pub const Crc12Umts = Crc(u12, .{	...	@@ -377,7 +365,7 @@ pub const Crc12Umts = Crc(u12, .{
377	.xor_output = 0x000,	365	.xor_output = 0x000,
378	});	366	});
379		367
380	pub const Crc13Bbc = Crc(u13, .{	368	pub const Crc13Bbc = Generic(u13, .{
381	.polynomial = 0x1cf5,	369	.polynomial = 0x1cf5,
382	.initial = 0x0000,	370	.initial = 0x0000,
383	.reflect_input = false,	371	.reflect_input = false,
...	@@ -385,7 +373,7 @@ pub const Crc13Bbc = Crc(u13, .{	...	@@ -385,7 +373,7 @@ pub const Crc13Bbc = Crc(u13, .{
385	.xor_output = 0x0000,	373	.xor_output = 0x0000,
386	});	374	});
387		375
388	pub const Crc14Darc = Crc(u14, .{	376	pub const Crc14Darc = Generic(u14, .{
389	.polynomial = 0x0805,	377	.polynomial = 0x0805,
390	.initial = 0x0000,	378	.initial = 0x0000,
391	.reflect_input = true,	379	.reflect_input = true,
...	@@ -393,7 +381,7 @@ pub const Crc14Darc = Crc(u14, .{	...	@@ -393,7 +381,7 @@ pub const Crc14Darc = Crc(u14, .{
393	.xor_output = 0x0000,	381	.xor_output = 0x0000,
394	});	382	});
395		383
396	pub const Crc14Gsm = Crc(u14, .{	384	pub const Crc14Gsm = Generic(u14, .{
397	.polynomial = 0x202d,	385	.polynomial = 0x202d,
398	.initial = 0x0000,	386	.initial = 0x0000,
399	.reflect_input = false,	387	.reflect_input = false,
...	@@ -401,7 +389,7 @@ pub const Crc14Gsm = Crc(u14, .{	...	@@ -401,7 +389,7 @@ pub const Crc14Gsm = Crc(u14, .{
401	.xor_output = 0x3fff,	389	.xor_output = 0x3fff,
402	});	390	});
403		391
404	pub const Crc15Can = Crc(u15, .{	392	pub const Crc15Can = Generic(u15, .{
405	.polynomial = 0x4599,	393	.polynomial = 0x4599,
406	.initial = 0x0000,	394	.initial = 0x0000,
407	.reflect_input = false,	395	.reflect_input = false,
...	@@ -409,7 +397,7 @@ pub const Crc15Can = Crc(u15, .{	...	@@ -409,7 +397,7 @@ pub const Crc15Can = Crc(u15, .{
409	.xor_output = 0x0000,	397	.xor_output = 0x0000,
410	});	398	});
411		399
412	pub const Crc15Mpt1327 = Crc(u15, .{	400	pub const Crc15Mpt1327 = Generic(u15, .{
413	.polynomial = 0x6815,	401	.polynomial = 0x6815,
414	.initial = 0x0000,	402	.initial = 0x0000,
415	.reflect_input = false,	403	.reflect_input = false,
...	@@ -417,7 +405,7 @@ pub const Crc15Mpt1327 = Crc(u15, .{	...	@@ -417,7 +405,7 @@ pub const Crc15Mpt1327 = Crc(u15, .{
417	.xor_output = 0x0001,	405	.xor_output = 0x0001,
418	});	406	});
419		407
420	pub const Crc16Arc = Crc(u16, .{	408	pub const Crc16Arc = Generic(u16, .{
421	.polynomial = 0x8005,	409	.polynomial = 0x8005,
422	.initial = 0x0000,	410	.initial = 0x0000,
423	.reflect_input = true,	411	.reflect_input = true,
...	@@ -425,7 +413,7 @@ pub const Crc16Arc = Crc(u16, .{	...	@@ -425,7 +413,7 @@ pub const Crc16Arc = Crc(u16, .{
425	.xor_output = 0x0000,	413	.xor_output = 0x0000,
426	});	414	});
427		415
428	pub const Crc16Cdma2000 = Crc(u16, .{	416	pub const Crc16Cdma2000 = Generic(u16, .{
429	.polynomial = 0xc867,	417	.polynomial = 0xc867,
430	.initial = 0xffff,	418	.initial = 0xffff,
431	.reflect_input = false,	419	.reflect_input = false,
...	@@ -433,7 +421,7 @@ pub const Crc16Cdma2000 = Crc(u16, .{	...	@@ -433,7 +421,7 @@ pub const Crc16Cdma2000 = Crc(u16, .{
433	.xor_output = 0x0000,	421	.xor_output = 0x0000,
434	});	422	});
435		423
436	pub const Crc16Cms = Crc(u16, .{	424	pub const Crc16Cms = Generic(u16, .{
437	.polynomial = 0x8005,	425	.polynomial = 0x8005,
438	.initial = 0xffff,	426	.initial = 0xffff,
439	.reflect_input = false,	427	.reflect_input = false,
...	@@ -441,7 +429,7 @@ pub const Crc16Cms = Crc(u16, .{	...	@@ -441,7 +429,7 @@ pub const Crc16Cms = Crc(u16, .{
441	.xor_output = 0x0000,	429	.xor_output = 0x0000,
442	});	430	});
443		431
444	pub const Crc16Dds110 = Crc(u16, .{	432	pub const Crc16Dds110 = Generic(u16, .{
445	.polynomial = 0x8005,	433	.polynomial = 0x8005,
446	.initial = 0x800d,	434	.initial = 0x800d,
447	.reflect_input = false,	435	.reflect_input = false,
...	@@ -449,7 +437,7 @@ pub const Crc16Dds110 = Crc(u16, .{	...	@@ -449,7 +437,7 @@ pub const Crc16Dds110 = Crc(u16, .{
449	.xor_output = 0x0000,	437	.xor_output = 0x0000,
450	});	438	});
451		439
452	pub const Crc16DectR = Crc(u16, .{	440	pub const Crc16DectR = Generic(u16, .{
453	.polynomial = 0x0589,	441	.polynomial = 0x0589,
454	.initial = 0x0000,	442	.initial = 0x0000,
455	.reflect_input = false,	443	.reflect_input = false,
...	@@ -457,7 +445,7 @@ pub const Crc16DectR = Crc(u16, .{	...	@@ -457,7 +445,7 @@ pub const Crc16DectR = Crc(u16, .{
457	.xor_output = 0x0001,	445	.xor_output = 0x0001,
458	});	446	});
459		447
460	pub const Crc16DectX = Crc(u16, .{	448	pub const Crc16DectX = Generic(u16, .{
461	.polynomial = 0x0589,	449	.polynomial = 0x0589,
462	.initial = 0x0000,	450	.initial = 0x0000,
463	.reflect_input = false,	451	.reflect_input = false,
...	@@ -465,7 +453,7 @@ pub const Crc16DectX = Crc(u16, .{	...	@@ -465,7 +453,7 @@ pub const Crc16DectX = Crc(u16, .{
465	.xor_output = 0x0000,	453	.xor_output = 0x0000,
466	});	454	});
467		455
468	pub const Crc16Dnp = Crc(u16, .{	456	pub const Crc16Dnp = Generic(u16, .{
469	.polynomial = 0x3d65,	457	.polynomial = 0x3d65,
470	.initial = 0x0000,	458	.initial = 0x0000,
471	.reflect_input = true,	459	.reflect_input = true,
...	@@ -473,7 +461,7 @@ pub const Crc16Dnp = Crc(u16, .{	...	@@ -473,7 +461,7 @@ pub const Crc16Dnp = Crc(u16, .{
473	.xor_output = 0xffff,	461	.xor_output = 0xffff,
474	});	462	});
475		463
476	pub const Crc16En13757 = Crc(u16, .{	464	pub const Crc16En13757 = Generic(u16, .{
477	.polynomial = 0x3d65,	465	.polynomial = 0x3d65,
478	.initial = 0x0000,	466	.initial = 0x0000,
479	.reflect_input = false,	467	.reflect_input = false,
...	@@ -481,7 +469,7 @@ pub const Crc16En13757 = Crc(u16, .{	...	@@ -481,7 +469,7 @@ pub const Crc16En13757 = Crc(u16, .{
481	.xor_output = 0xffff,	469	.xor_output = 0xffff,
482	});	470	});
483		471
484	pub const Crc16Genibus = Crc(u16, .{	472	pub const Crc16Genibus = Generic(u16, .{
485	.polynomial = 0x1021,	473	.polynomial = 0x1021,
486	.initial = 0xffff,	474	.initial = 0xffff,
487	.reflect_input = false,	475	.reflect_input = false,
...	@@ -489,7 +477,7 @@ pub const Crc16Genibus = Crc(u16, .{	...	@@ -489,7 +477,7 @@ pub const Crc16Genibus = Crc(u16, .{
489	.xor_output = 0xffff,	477	.xor_output = 0xffff,
490	});	478	});
491		479
492	pub const Crc16Gsm = Crc(u16, .{	480	pub const Crc16Gsm = Generic(u16, .{
493	.polynomial = 0x1021,	481	.polynomial = 0x1021,
494	.initial = 0x0000,	482	.initial = 0x0000,
495	.reflect_input = false,	483	.reflect_input = false,
...	@@ -497,7 +485,7 @@ pub const Crc16Gsm = Crc(u16, .{	...	@@ -497,7 +485,7 @@ pub const Crc16Gsm = Crc(u16, .{
497	.xor_output = 0xffff,	485	.xor_output = 0xffff,
498	});	486	});
499		487
500	pub const Crc16Ibm3740 = Crc(u16, .{	488	pub const Crc16Ibm3740 = Generic(u16, .{
501	.polynomial = 0x1021,	489	.polynomial = 0x1021,
502	.initial = 0xffff,	490	.initial = 0xffff,
503	.reflect_input = false,	491	.reflect_input = false,
...	@@ -505,7 +493,7 @@ pub const Crc16Ibm3740 = Crc(u16, .{	...	@@ -505,7 +493,7 @@ pub const Crc16Ibm3740 = Crc(u16, .{
505	.xor_output = 0x0000,	493	.xor_output = 0x0000,
506	});	494	});
507		495
508	pub const Crc16IbmSdlc = Crc(u16, .{	496	pub const Crc16IbmSdlc = Generic(u16, .{
509	.polynomial = 0x1021,	497	.polynomial = 0x1021,
510	.initial = 0xffff,	498	.initial = 0xffff,
511	.reflect_input = true,	499	.reflect_input = true,
...	@@ -513,7 +501,7 @@ pub const Crc16IbmSdlc = Crc(u16, .{	...	@@ -513,7 +501,7 @@ pub const Crc16IbmSdlc = Crc(u16, .{
513	.xor_output = 0xffff,	501	.xor_output = 0xffff,
514	});	502	});
515		503
516	pub const Crc16IsoIec144433A = Crc(u16, .{	504	pub const Crc16IsoIec144433A = Generic(u16, .{
517	.polynomial = 0x1021,	505	.polynomial = 0x1021,
518	.initial = 0xc6c6,	506	.initial = 0xc6c6,
519	.reflect_input = true,	507	.reflect_input = true,
...	@@ -521,7 +509,7 @@ pub const Crc16IsoIec144433A = Crc(u16, .{	...	@@ -521,7 +509,7 @@ pub const Crc16IsoIec144433A = Crc(u16, .{
521	.xor_output = 0x0000,	509	.xor_output = 0x0000,
522	});	510	});
523		511
524	pub const Crc16Kermit = Crc(u16, .{	512	pub const Crc16Kermit = Generic(u16, .{
525	.polynomial = 0x1021,	513	.polynomial = 0x1021,
526	.initial = 0x0000,	514	.initial = 0x0000,
527	.reflect_input = true,	515	.reflect_input = true,
...	@@ -529,7 +517,7 @@ pub const Crc16Kermit = Crc(u16, .{	...	@@ -529,7 +517,7 @@ pub const Crc16Kermit = Crc(u16, .{
529	.xor_output = 0x0000,	517	.xor_output = 0x0000,
530	});	518	});
531		519
532	pub const Crc16Lj1200 = Crc(u16, .{	520	pub const Crc16Lj1200 = Generic(u16, .{
533	.polynomial = 0x6f63,	521	.polynomial = 0x6f63,
534	.initial = 0x0000,	522	.initial = 0x0000,
535	.reflect_input = false,	523	.reflect_input = false,
...	@@ -537,7 +525,7 @@ pub const Crc16Lj1200 = Crc(u16, .{	...	@@ -537,7 +525,7 @@ pub const Crc16Lj1200 = Crc(u16, .{
537	.xor_output = 0x0000,	525	.xor_output = 0x0000,
538	});	526	});
539		527
540	pub const Crc16M17 = Crc(u16, .{	528	pub const Crc16M17 = Generic(u16, .{
541	.polynomial = 0x5935,	529	.polynomial = 0x5935,
542	.initial = 0xffff,	530	.initial = 0xffff,
543	.reflect_input = false,	531	.reflect_input = false,
...	@@ -545,7 +533,7 @@ pub const Crc16M17 = Crc(u16, .{	...	@@ -545,7 +533,7 @@ pub const Crc16M17 = Crc(u16, .{
545	.xor_output = 0x0000,	533	.xor_output = 0x0000,
546	});	534	});
547		535
548	pub const Crc16MaximDow = Crc(u16, .{	536	pub const Crc16MaximDow = Generic(u16, .{
549	.polynomial = 0x8005,	537	.polynomial = 0x8005,
550	.initial = 0x0000,	538	.initial = 0x0000,
551	.reflect_input = true,	539	.reflect_input = true,
...	@@ -553,7 +541,7 @@ pub const Crc16MaximDow = Crc(u16, .{	...	@@ -553,7 +541,7 @@ pub const Crc16MaximDow = Crc(u16, .{
553	.xor_output = 0xffff,	541	.xor_output = 0xffff,
554	});	542	});
555		543
556	pub const Crc16Mcrf4xx = Crc(u16, .{	544	pub const Crc16Mcrf4xx = Generic(u16, .{
557	.polynomial = 0x1021,	545	.polynomial = 0x1021,
558	.initial = 0xffff,	546	.initial = 0xffff,
559	.reflect_input = true,	547	.reflect_input = true,
...	@@ -561,7 +549,7 @@ pub const Crc16Mcrf4xx = Crc(u16, .{	...	@@ -561,7 +549,7 @@ pub const Crc16Mcrf4xx = Crc(u16, .{
561	.xor_output = 0x0000,	549	.xor_output = 0x0000,
562	});	550	});
563		551
564	pub const Crc16Modbus = Crc(u16, .{	552	pub const Crc16Modbus = Generic(u16, .{
565	.polynomial = 0x8005,	553	.polynomial = 0x8005,
566	.initial = 0xffff,	554	.initial = 0xffff,
567	.reflect_input = true,	555	.reflect_input = true,
...	@@ -569,7 +557,7 @@ pub const Crc16Modbus = Crc(u16, .{	...	@@ -569,7 +557,7 @@ pub const Crc16Modbus = Crc(u16, .{
569	.xor_output = 0x0000,	557	.xor_output = 0x0000,
570	});	558	});
571		559
572	pub const Crc16Nrsc5 = Crc(u16, .{	560	pub const Crc16Nrsc5 = Generic(u16, .{
573	.polynomial = 0x080b,	561	.polynomial = 0x080b,
574	.initial = 0xffff,	562	.initial = 0xffff,
575	.reflect_input = true,	563	.reflect_input = true,
...	@@ -577,7 +565,7 @@ pub const Crc16Nrsc5 = Crc(u16, .{	...	@@ -577,7 +565,7 @@ pub const Crc16Nrsc5 = Crc(u16, .{
577	.xor_output = 0x0000,	565	.xor_output = 0x0000,
578	});	566	});
579		567
580	pub const Crc16OpensafetyA = Crc(u16, .{	568	pub const Crc16OpensafetyA = Generic(u16, .{
581	.polynomial = 0x5935,	569	.polynomial = 0x5935,
582	.initial = 0x0000,	570	.initial = 0x0000,
583	.reflect_input = false,	571	.reflect_input = false,
...	@@ -585,7 +573,7 @@ pub const Crc16OpensafetyA = Crc(u16, .{	...	@@ -585,7 +573,7 @@ pub const Crc16OpensafetyA = Crc(u16, .{
585	.xor_output = 0x0000,	573	.xor_output = 0x0000,
586	});	574	});
587		575
588	pub const Crc16OpensafetyB = Crc(u16, .{	576	pub const Crc16OpensafetyB = Generic(u16, .{
589	.polynomial = 0x755b,	577	.polynomial = 0x755b,
590	.initial = 0x0000,	578	.initial = 0x0000,
591	.reflect_input = false,	579	.reflect_input = false,
...	@@ -593,7 +581,7 @@ pub const Crc16OpensafetyB = Crc(u16, .{	...	@@ -593,7 +581,7 @@ pub const Crc16OpensafetyB = Crc(u16, .{
593	.xor_output = 0x0000,	581	.xor_output = 0x0000,
594	});	582	});
595		583
596	pub const Crc16Profibus = Crc(u16, .{	584	pub const Crc16Profibus = Generic(u16, .{
597	.polynomial = 0x1dcf,	585	.polynomial = 0x1dcf,
598	.initial = 0xffff,	586	.initial = 0xffff,
599	.reflect_input = false,	587	.reflect_input = false,
...	@@ -601,7 +589,7 @@ pub const Crc16Profibus = Crc(u16, .{	...	@@ -601,7 +589,7 @@ pub const Crc16Profibus = Crc(u16, .{
601	.xor_output = 0xffff,	589	.xor_output = 0xffff,
602	});	590	});
603		591
604	pub const Crc16Riello = Crc(u16, .{	592	pub const Crc16Riello = Generic(u16, .{
605	.polynomial = 0x1021,	593	.polynomial = 0x1021,
606	.initial = 0xb2aa,	594	.initial = 0xb2aa,
607	.reflect_input = true,	595	.reflect_input = true,
...	@@ -609,7 +597,7 @@ pub const Crc16Riello = Crc(u16, .{	...	@@ -609,7 +597,7 @@ pub const Crc16Riello = Crc(u16, .{
609	.xor_output = 0x0000,	597	.xor_output = 0x0000,
610	});	598	});
611		599
612	pub const Crc16SpiFujitsu = Crc(u16, .{	600	pub const Crc16SpiFujitsu = Generic(u16, .{
613	.polynomial = 0x1021,	601	.polynomial = 0x1021,
614	.initial = 0x1d0f,	602	.initial = 0x1d0f,
615	.reflect_input = false,	603	.reflect_input = false,
...	@@ -617,7 +605,7 @@ pub const Crc16SpiFujitsu = Crc(u16, .{	...	@@ -617,7 +605,7 @@ pub const Crc16SpiFujitsu = Crc(u16, .{
617	.xor_output = 0x0000,	605	.xor_output = 0x0000,
618	});	606	});
619		607
620	pub const Crc16T10Dif = Crc(u16, .{	608	pub const Crc16T10Dif = Generic(u16, .{
621	.polynomial = 0x8bb7,	609	.polynomial = 0x8bb7,
622	.initial = 0x0000,	610	.initial = 0x0000,
623	.reflect_input = false,	611	.reflect_input = false,
...	@@ -625,7 +613,7 @@ pub const Crc16T10Dif = Crc(u16, .{	...	@@ -625,7 +613,7 @@ pub const Crc16T10Dif = Crc(u16, .{
625	.xor_output = 0x0000,	613	.xor_output = 0x0000,
626	});	614	});
627		615
628	pub const Crc16Teledisk = Crc(u16, .{	616	pub const Crc16Teledisk = Generic(u16, .{
629	.polynomial = 0xa097,	617	.polynomial = 0xa097,
630	.initial = 0x0000,	618	.initial = 0x0000,
631	.reflect_input = false,	619	.reflect_input = false,
...	@@ -633,7 +621,7 @@ pub const Crc16Teledisk = Crc(u16, .{	...	@@ -633,7 +621,7 @@ pub const Crc16Teledisk = Crc(u16, .{
633	.xor_output = 0x0000,	621	.xor_output = 0x0000,
634	});	622	});
635		623
636	pub const Crc16Tms37157 = Crc(u16, .{	624	pub const Crc16Tms37157 = Generic(u16, .{
637	.polynomial = 0x1021,	625	.polynomial = 0x1021,
638	.initial = 0x89ec,	626	.initial = 0x89ec,
639	.reflect_input = true,	627	.reflect_input = true,
...	@@ -641,7 +629,7 @@ pub const Crc16Tms37157 = Crc(u16, .{	...	@@ -641,7 +629,7 @@ pub const Crc16Tms37157 = Crc(u16, .{
641	.xor_output = 0x0000,	629	.xor_output = 0x0000,
642	});	630	});
643		631
644	pub const Crc16Umts = Crc(u16, .{	632	pub const Crc16Umts = Generic(u16, .{
645	.polynomial = 0x8005,	633	.polynomial = 0x8005,
646	.initial = 0x0000,	634	.initial = 0x0000,
647	.reflect_input = false,	635	.reflect_input = false,
...	@@ -649,7 +637,7 @@ pub const Crc16Umts = Crc(u16, .{	...	@@ -649,7 +637,7 @@ pub const Crc16Umts = Crc(u16, .{
649	.xor_output = 0x0000,	637	.xor_output = 0x0000,
650	});	638	});
651		639
652	pub const Crc16Usb = Crc(u16, .{	640	pub const Crc16Usb = Generic(u16, .{
653	.polynomial = 0x8005,	641	.polynomial = 0x8005,
654	.initial = 0xffff,	642	.initial = 0xffff,
655	.reflect_input = true,	643	.reflect_input = true,
...	@@ -657,7 +645,7 @@ pub const Crc16Usb = Crc(u16, .{	...	@@ -657,7 +645,7 @@ pub const Crc16Usb = Crc(u16, .{
657	.xor_output = 0xffff,	645	.xor_output = 0xffff,
658	});	646	});
659		647
660	pub const Crc16Xmodem = Crc(u16, .{	648	pub const Crc16Xmodem = Generic(u16, .{
661	.polynomial = 0x1021,	649	.polynomial = 0x1021,
662	.initial = 0x0000,	650	.initial = 0x0000,
663	.reflect_input = false,	651	.reflect_input = false,
...	@@ -665,7 +653,7 @@ pub const Crc16Xmodem = Crc(u16, .{	...	@@ -665,7 +653,7 @@ pub const Crc16Xmodem = Crc(u16, .{
665	.xor_output = 0x0000,	653	.xor_output = 0x0000,
666	});	654	});
667		655
668	pub const Crc17CanFd = Crc(u17, .{	656	pub const Crc17CanFd = Generic(u17, .{
669	.polynomial = 0x1685b,	657	.polynomial = 0x1685b,
670	.initial = 0x00000,	658	.initial = 0x00000,
671	.reflect_input = false,	659	.reflect_input = false,
...	@@ -673,7 +661,7 @@ pub const Crc17CanFd = Crc(u17, .{	...	@@ -673,7 +661,7 @@ pub const Crc17CanFd = Crc(u17, .{
673	.xor_output = 0x00000,	661	.xor_output = 0x00000,
674	});	662	});
675		663
676	pub const Crc21CanFd = Crc(u21, .{	664	pub const Crc21CanFd = Generic(u21, .{
677	.polynomial = 0x102899,	665	.polynomial = 0x102899,
678	.initial = 0x000000,	666	.initial = 0x000000,
679	.reflect_input = false,	667	.reflect_input = false,
...	@@ -681,7 +669,7 @@ pub const Crc21CanFd = Crc(u21, .{	...	@@ -681,7 +669,7 @@ pub const Crc21CanFd = Crc(u21, .{
681	.xor_output = 0x000000,	669	.xor_output = 0x000000,
682	});	670	});
683		671
684	pub const Crc24Ble = Crc(u24, .{	672	pub const Crc24Ble = Generic(u24, .{
685	.polynomial = 0x00065b,	673	.polynomial = 0x00065b,
686	.initial = 0x555555,	674	.initial = 0x555555,
687	.reflect_input = true,	675	.reflect_input = true,
...	@@ -689,7 +677,7 @@ pub const Crc24Ble = Crc(u24, .{	...	@@ -689,7 +677,7 @@ pub const Crc24Ble = Crc(u24, .{
689	.xor_output = 0x000000,	677	.xor_output = 0x000000,
690	});	678	});
691		679
692	pub const Crc24FlexrayA = Crc(u24, .{	680	pub const Crc24FlexrayA = Generic(u24, .{
693	.polynomial = 0x5d6dcb,	681	.polynomial = 0x5d6dcb,
694	.initial = 0xfedcba,	682	.initial = 0xfedcba,
695	.reflect_input = false,	683	.reflect_input = false,
...	@@ -697,7 +685,7 @@ pub const Crc24FlexrayA = Crc(u24, .{	...	@@ -697,7 +685,7 @@ pub const Crc24FlexrayA = Crc(u24, .{
697	.xor_output = 0x000000,	685	.xor_output = 0x000000,
698	});	686	});
699		687
700	pub const Crc24FlexrayB = Crc(u24, .{	688	pub const Crc24FlexrayB = Generic(u24, .{
701	.polynomial = 0x5d6dcb,	689	.polynomial = 0x5d6dcb,
702	.initial = 0xabcdef,	690	.initial = 0xabcdef,
703	.reflect_input = false,	691	.reflect_input = false,
...	@@ -705,7 +693,7 @@ pub const Crc24FlexrayB = Crc(u24, .{	...	@@ -705,7 +693,7 @@ pub const Crc24FlexrayB = Crc(u24, .{
705	.xor_output = 0x000000,	693	.xor_output = 0x000000,
706	});	694	});
707		695
708	pub const Crc24Interlaken = Crc(u24, .{	696	pub const Crc24Interlaken = Generic(u24, .{
709	.polynomial = 0x328b63,	697	.polynomial = 0x328b63,
710	.initial = 0xffffff,	698	.initial = 0xffffff,
711	.reflect_input = false,	699	.reflect_input = false,
...	@@ -713,7 +701,7 @@ pub const Crc24Interlaken = Crc(u24, .{	...	@@ -713,7 +701,7 @@ pub const Crc24Interlaken = Crc(u24, .{
713	.xor_output = 0xffffff,	701	.xor_output = 0xffffff,
714	});	702	});
715		703
716	pub const Crc24LteA = Crc(u24, .{	704	pub const Crc24LteA = Generic(u24, .{
717	.polynomial = 0x864cfb,	705	.polynomial = 0x864cfb,
718	.initial = 0x000000,	706	.initial = 0x000000,
719	.reflect_input = false,	707	.reflect_input = false,
...	@@ -721,7 +709,7 @@ pub const Crc24LteA = Crc(u24, .{	...	@@ -721,7 +709,7 @@ pub const Crc24LteA = Crc(u24, .{
721	.xor_output = 0x000000,	709	.xor_output = 0x000000,
722	});	710	});
723		711
724	pub const Crc24LteB = Crc(u24, .{	712	pub const Crc24LteB = Generic(u24, .{
725	.polynomial = 0x800063,	713	.polynomial = 0x800063,
726	.initial = 0x000000,	714	.initial = 0x000000,
727	.reflect_input = false,	715	.reflect_input = false,
...	@@ -729,7 +717,7 @@ pub const Crc24LteB = Crc(u24, .{	...	@@ -729,7 +717,7 @@ pub const Crc24LteB = Crc(u24, .{
729	.xor_output = 0x000000,	717	.xor_output = 0x000000,
730	});	718	});
731		719
732	pub const Crc24Openpgp = Crc(u24, .{	720	pub const Crc24Openpgp = Generic(u24, .{
733	.polynomial = 0x864cfb,	721	.polynomial = 0x864cfb,
734	.initial = 0xb704ce,	722	.initial = 0xb704ce,
735	.reflect_input = false,	723	.reflect_input = false,
...	@@ -737,7 +725,7 @@ pub const Crc24Openpgp = Crc(u24, .{	...	@@ -737,7 +725,7 @@ pub const Crc24Openpgp = Crc(u24, .{
737	.xor_output = 0x000000,	725	.xor_output = 0x000000,
738	});	726	});
739		727
740	pub const Crc24Os9 = Crc(u24, .{	728	pub const Crc24Os9 = Generic(u24, .{
741	.polynomial = 0x800063,	729	.polynomial = 0x800063,
742	.initial = 0xffffff,	730	.initial = 0xffffff,
743	.reflect_input = false,	731	.reflect_input = false,
...	@@ -745,7 +733,7 @@ pub const Crc24Os9 = Crc(u24, .{	...	@@ -745,7 +733,7 @@ pub const Crc24Os9 = Crc(u24, .{
745	.xor_output = 0xffffff,	733	.xor_output = 0xffffff,
746	});	734	});
747		735
748	pub const Crc30Cdma = Crc(u30, .{	736	pub const Crc30Cdma = Generic(u30, .{
749	.polynomial = 0x2030b9c7,	737	.polynomial = 0x2030b9c7,
750	.initial = 0x3fffffff,	738	.initial = 0x3fffffff,
751	.reflect_input = false,	739	.reflect_input = false,
...	@@ -753,7 +741,7 @@ pub const Crc30Cdma = Crc(u30, .{	...	@@ -753,7 +741,7 @@ pub const Crc30Cdma = Crc(u30, .{
753	.xor_output = 0x3fffffff,	741	.xor_output = 0x3fffffff,
754	});	742	});
755		743
756	pub const Crc31Philips = Crc(u31, .{	744	pub const Crc31Philips = Generic(u31, .{
757	.polynomial = 0x04c11db7,	745	.polynomial = 0x04c11db7,
758	.initial = 0x7fffffff,	746	.initial = 0x7fffffff,
759	.reflect_input = false,	747	.reflect_input = false,
...	@@ -761,7 +749,7 @@ pub const Crc31Philips = Crc(u31, .{	...	@@ -761,7 +749,7 @@ pub const Crc31Philips = Crc(u31, .{
761	.xor_output = 0x7fffffff,	749	.xor_output = 0x7fffffff,
762	});	750	});
763		751
764	pub const Crc32Aixm = Crc(u32, .{	752	pub const Crc32Aixm = Generic(u32, .{
765	.polynomial = 0x814141ab,	753	.polynomial = 0x814141ab,
766	.initial = 0x00000000,	754	.initial = 0x00000000,
767	.reflect_input = false,	755	.reflect_input = false,
...	@@ -769,7 +757,7 @@ pub const Crc32Aixm = Crc(u32, .{	...	@@ -769,7 +757,7 @@ pub const Crc32Aixm = Crc(u32, .{
769	.xor_output = 0x00000000,	757	.xor_output = 0x00000000,
770	});	758	});
771		759
772	pub const Crc32Autosar = Crc(u32, .{	760	pub const Crc32Autosar = Generic(u32, .{
773	.polynomial = 0xf4acfb13,	761	.polynomial = 0xf4acfb13,
774	.initial = 0xffffffff,	762	.initial = 0xffffffff,
775	.reflect_input = true,	763	.reflect_input = true,
...	@@ -777,7 +765,7 @@ pub const Crc32Autosar = Crc(u32, .{	...	@@ -777,7 +765,7 @@ pub const Crc32Autosar = Crc(u32, .{
777	.xor_output = 0xffffffff,	765	.xor_output = 0xffffffff,
778	});	766	});
779		767
780	pub const Crc32Base91D = Crc(u32, .{	768	pub const Crc32Base91D = Generic(u32, .{
781	.polynomial = 0xa833982b,	769	.polynomial = 0xa833982b,
782	.initial = 0xffffffff,	770	.initial = 0xffffffff,
783	.reflect_input = true,	771	.reflect_input = true,
...	@@ -785,7 +773,7 @@ pub const Crc32Base91D = Crc(u32, .{	...	@@ -785,7 +773,7 @@ pub const Crc32Base91D = Crc(u32, .{
785	.xor_output = 0xffffffff,	773	.xor_output = 0xffffffff,
786	});	774	});
787		775
788	pub const Crc32Bzip2 = Crc(u32, .{	776	pub const Crc32Bzip2 = Generic(u32, .{
789	.polynomial = 0x04c11db7,	777	.polynomial = 0x04c11db7,
790	.initial = 0xffffffff,	778	.initial = 0xffffffff,
791	.reflect_input = false,	779	.reflect_input = false,
...	@@ -793,7 +781,7 @@ pub const Crc32Bzip2 = Crc(u32, .{	...	@@ -793,7 +781,7 @@ pub const Crc32Bzip2 = Crc(u32, .{
793	.xor_output = 0xffffffff,	781	.xor_output = 0xffffffff,
794	});	782	});
795		783
796	pub const Crc32CdRomEdc = Crc(u32, .{	784	pub const Crc32CdRomEdc = Generic(u32, .{
797	.polynomial = 0x8001801b,	785	.polynomial = 0x8001801b,
798	.initial = 0x00000000,	786	.initial = 0x00000000,
799	.reflect_input = true,	787	.reflect_input = true,
...	@@ -801,7 +789,7 @@ pub const Crc32CdRomEdc = Crc(u32, .{	...	@@ -801,7 +789,7 @@ pub const Crc32CdRomEdc = Crc(u32, .{
801	.xor_output = 0x00000000,	789	.xor_output = 0x00000000,
802	});	790	});
803		791
804	pub const Crc32Cksum = Crc(u32, .{	792	pub const Crc32Cksum = Generic(u32, .{
805	.polynomial = 0x04c11db7,	793	.polynomial = 0x04c11db7,
806	.initial = 0x00000000,	794	.initial = 0x00000000,
807	.reflect_input = false,	795	.reflect_input = false,
...	@@ -809,7 +797,7 @@ pub const Crc32Cksum = Crc(u32, .{	...	@@ -809,7 +797,7 @@ pub const Crc32Cksum = Crc(u32, .{
809	.xor_output = 0xffffffff,	797	.xor_output = 0xffffffff,
810	});	798	});
811		799
812	pub const Crc32IsoHdlc = Crc(u32, .{	800	pub const Crc32IsoHdlc = Generic(u32, .{
813	.polynomial = 0x04c11db7,	801	.polynomial = 0x04c11db7,
814	.initial = 0xffffffff,	802	.initial = 0xffffffff,
815	.reflect_input = true,	803	.reflect_input = true,
...	@@ -817,7 +805,7 @@ pub const Crc32IsoHdlc = Crc(u32, .{	...	@@ -817,7 +805,7 @@ pub const Crc32IsoHdlc = Crc(u32, .{
817	.xor_output = 0xffffffff,	805	.xor_output = 0xffffffff,
818	});	806	});
819		807
820	pub const Crc32Jamcrc = Crc(u32, .{	808	pub const Crc32Jamcrc = Generic(u32, .{
821	.polynomial = 0x04c11db7,	809	.polynomial = 0x04c11db7,
822	.initial = 0xffffffff,	810	.initial = 0xffffffff,
823	.reflect_input = true,	811	.reflect_input = true,
...	@@ -825,7 +813,7 @@ pub const Crc32Jamcrc = Crc(u32, .{	...	@@ -825,7 +813,7 @@ pub const Crc32Jamcrc = Crc(u32, .{
825	.xor_output = 0x00000000,	813	.xor_output = 0x00000000,
826	});	814	});
827		815
828	pub const Crc32Koopman = Crc(u32, .{	816	pub const Crc32Koopman = Generic(u32, .{
829	.polynomial = 0x741b8cd7,	817	.polynomial = 0x741b8cd7,
830	.initial = 0xffffffff,	818	.initial = 0xffffffff,
831	.reflect_input = true,	819	.reflect_input = true,
...	@@ -833,7 +821,7 @@ pub const Crc32Koopman = Crc(u32, .{	...	@@ -833,7 +821,7 @@ pub const Crc32Koopman = Crc(u32, .{
833	.xor_output = 0xffffffff,	821	.xor_output = 0xffffffff,
834	});	822	});
835		823
836	pub const Crc32Mef = Crc(u32, .{	824	pub const Crc32Mef = Generic(u32, .{
837	.polynomial = 0x741b8cd7,	825	.polynomial = 0x741b8cd7,
838	.initial = 0xffffffff,	826	.initial = 0xffffffff,
839	.reflect_input = true,	827	.reflect_input = true,
...	@@ -841,7 +829,7 @@ pub const Crc32Mef = Crc(u32, .{	...	@@ -841,7 +829,7 @@ pub const Crc32Mef = Crc(u32, .{
841	.xor_output = 0x00000000,	829	.xor_output = 0x00000000,
842	});	830	});
843		831
844	pub const Crc32Mpeg2 = Crc(u32, .{	832	pub const Crc32Mpeg2 = Generic(u32, .{
845	.polynomial = 0x04c11db7,	833	.polynomial = 0x04c11db7,
846	.initial = 0xffffffff,	834	.initial = 0xffffffff,
847	.reflect_input = false,	835	.reflect_input = false,
...	@@ -849,7 +837,7 @@ pub const Crc32Mpeg2 = Crc(u32, .{	...	@@ -849,7 +837,7 @@ pub const Crc32Mpeg2 = Crc(u32, .{
849	.xor_output = 0x00000000,	837	.xor_output = 0x00000000,
850	});	838	});
851		839
852	pub const Crc32Xfer = Crc(u32, .{	840	pub const Crc32Xfer = Generic(u32, .{
853	.polynomial = 0x000000af,	841	.polynomial = 0x000000af,
854	.initial = 0x00000000,	842	.initial = 0x00000000,
855	.reflect_input = false,	843	.reflect_input = false,
...	@@ -857,7 +845,7 @@ pub const Crc32Xfer = Crc(u32, .{	...	@@ -857,7 +845,7 @@ pub const Crc32Xfer = Crc(u32, .{
857	.xor_output = 0x00000000,	845	.xor_output = 0x00000000,
858	});	846	});
859		847
860	pub const Crc40Gsm = Crc(u40, .{	848	pub const Crc40Gsm = Generic(u40, .{
861	.polynomial = 0x0004820009,	849	.polynomial = 0x0004820009,
862	.initial = 0x0000000000,	850	.initial = 0x0000000000,
863	.reflect_input = false,	851	.reflect_input = false,
...	@@ -865,7 +853,7 @@ pub const Crc40Gsm = Crc(u40, .{	...	@@ -865,7 +853,7 @@ pub const Crc40Gsm = Crc(u40, .{
865	.xor_output = 0xffffffffff,	853	.xor_output = 0xffffffffff,
866	});	854	});
867		855
868	pub const Crc64Ecma182 = Crc(u64, .{	856	pub const Crc64Ecma182 = Generic(u64, .{
869	.polynomial = 0x42f0e1eba9ea3693,	857	.polynomial = 0x42f0e1eba9ea3693,
870	.initial = 0x0000000000000000,	858	.initial = 0x0000000000000000,
871	.reflect_input = false,	859	.reflect_input = false,
...	@@ -873,7 +861,7 @@ pub const Crc64Ecma182 = Crc(u64, .{	...	@@ -873,7 +861,7 @@ pub const Crc64Ecma182 = Crc(u64, .{
873	.xor_output = 0x0000000000000000,	861	.xor_output = 0x0000000000000000,
874	});	862	});
875		863
876	pub const Crc64GoIso = Crc(u64, .{	864	pub const Crc64GoIso = Generic(u64, .{
877	.polynomial = 0x000000000000001b,	865	.polynomial = 0x000000000000001b,
878	.initial = 0xffffffffffffffff,	866	.initial = 0xffffffffffffffff,
879	.reflect_input = true,	867	.reflect_input = true,
...	@@ -881,7 +869,7 @@ pub const Crc64GoIso = Crc(u64, .{	...	@@ -881,7 +869,7 @@ pub const Crc64GoIso = Crc(u64, .{
881	.xor_output = 0xffffffffffffffff,	869	.xor_output = 0xffffffffffffffff,
882	});	870	});
883		871
884	pub const Crc64Ms = Crc(u64, .{	872	pub const Crc64Ms = Generic(u64, .{
885	.polynomial = 0x259c84cba6426349,	873	.polynomial = 0x259c84cba6426349,
886	.initial = 0xffffffffffffffff,	874	.initial = 0xffffffffffffffff,
887	.reflect_input = true,	875	.reflect_input = true,
...	@@ -889,7 +877,7 @@ pub const Crc64Ms = Crc(u64, .{	...	@@ -889,7 +877,7 @@ pub const Crc64Ms = Crc(u64, .{
889	.xor_output = 0x0000000000000000,	877	.xor_output = 0x0000000000000000,
890	});	878	});
891		879
892	pub const Crc64Redis = Crc(u64, .{	880	pub const Crc64Redis = Generic(u64, .{
893	.polynomial = 0xad93d23594c935a9,	881	.polynomial = 0xad93d23594c935a9,
894	.initial = 0x0000000000000000,	882	.initial = 0x0000000000000000,
895	.reflect_input = true,	883	.reflect_input = true,
...	@@ -897,7 +885,7 @@ pub const Crc64Redis = Crc(u64, .{	...	@@ -897,7 +885,7 @@ pub const Crc64Redis = Crc(u64, .{
897	.xor_output = 0x0000000000000000,	885	.xor_output = 0x0000000000000000,
898	});	886	});
899		887
900	pub const Crc64We = Crc(u64, .{	888	pub const Crc64We = Generic(u64, .{
901	.polynomial = 0x42f0e1eba9ea3693,	889	.polynomial = 0x42f0e1eba9ea3693,
902	.initial = 0xffffffffffffffff,	890	.initial = 0xffffffffffffffff,
903	.reflect_input = false,	891	.reflect_input = false,
...	@@ -905,7 +893,7 @@ pub const Crc64We = Crc(u64, .{	...	@@ -905,7 +893,7 @@ pub const Crc64We = Crc(u64, .{
905	.xor_output = 0xffffffffffffffff,	893	.xor_output = 0xffffffffffffffff,
906	});	894	});
907		895
908	pub const Crc64Xz = Crc(u64, .{	896	pub const Crc64Xz = Generic(u64, .{
909	.polynomial = 0x42f0e1eba9ea3693,	897	.polynomial = 0x42f0e1eba9ea3693,
910	.initial = 0xffffffffffffffff,	898	.initial = 0xffffffffffffffff,
911	.reflect_input = true,	899	.reflect_input = true,
...	@@ -913,10 +901,109 @@ pub const Crc64Xz = Crc(u64, .{	...	@@ -913,10 +901,109 @@ pub const Crc64Xz = Crc(u64, .{
913	.xor_output = 0xffffffffffffffff,	901	.xor_output = 0xffffffffffffffff,
914	});	902	});
915		903
916	pub const Crc82Darc = Crc(u82, .{	904	pub const Crc82Darc = Generic(u82, .{
917	.polynomial = 0x0308c0111011401440411,	905	.polynomial = 0x0308c0111011401440411,
918	.initial = 0x000000000000000000000,	906	.initial = 0x000000000000000000000,
919	.reflect_input = true,	907	.reflect_input = true,
920	.reflect_output = true,	908	.reflect_output = true,
921	.xor_output = 0x000000000000000000000,	909	.xor_output = 0x000000000000000000000,
922	});	910	});
		911
		912	pub fn Algorithm(comptime W: type) type {
		913	return struct {
		914	polynomial: W,
		915	initial: W,
		916	reflect_input: bool,
		917	reflect_output: bool,
		918	xor_output: W,
		919	};
		920	}
		921
		922	pub fn Generic(comptime W: type, comptime algorithm: Algorithm(W)) type {
		923	return struct {
		924	const Self = @This();
		925	const I = if (@bitSizeOf(W) < 8) u8 else W;
		926	const lookup_table = blk: {
		927	@setEvalBranchQuota(2500);
		928	const poly = reflect(algorithm.polynomial);
		929	var table: [256]I = undefined;
		930	for (&table, 0..) \|*e, i\| {
		931	var crc: I = i;
		932	if (algorithm.reflect_input) {
		933	var j: usize = 0;
		934	while (j < 8) : (j += 1) {
		935	crc = (crc >> 1) ^ ((crc & 1) * poly);
		936	}
		937	} else {
		938	crc <<= @bitSizeOf(I) - 8;
		939	var j: usize = 0;
		940	while (j < 8) : (j += 1) {
		941	crc = (crc << 1) ^ (((crc >> (@bitSizeOf(I) - 1)) & 1) * poly);
		942	}
		943	}
		944	e.* = crc;
		945	}
		946	break :blk table;
		947	};
		948
		949	crc: I,
		950
		951	pub fn init() Self {
		952	const initial = reflect(algorithm.initial);
		953	return .{ .crc = initial };
		954	}
		955
		956	inline fn tableEntry(index: I) I {
		957	const short: u8 = @truncate(index);
		958	return lookup_table[short];
		959	}
		960
		961	pub fn update(self: *Self, bytes: []const u8) void {
		962	var i: usize = 0;
		963	if (@bitSizeOf(I) <= 8) {
		964	while (i < bytes.len) : (i += 1) {
		965	self.crc = tableEntry(self.crc ^ bytes[i]);
		966	}
		967	} else if (algorithm.reflect_input) {
		968	while (i < bytes.len) : (i += 1) {
		969	const table_index = self.crc ^ bytes[i];
		970	self.crc = tableEntry(table_index) ^ (self.crc >> 8);
		971	}
		972	} else {
		973	while (i < bytes.len) : (i += 1) {
		974	const table_index = (self.crc >> (@bitSizeOf(I) - 8)) ^ bytes[i];
		975	self.crc = tableEntry(table_index) ^ (self.crc << 8);
		976	}
		977	}
		978	}
		979
		980	pub fn final(self: Self) W {
		981	var c = self.crc;
		982	if (algorithm.reflect_input != algorithm.reflect_output) {
		983	c = @bitReverse(c);
		984	}
		985	if (!algorithm.reflect_output) {
		986	c >>= @bitSizeOf(I) - @bitSizeOf(W);
		987	}
		988	return @intCast(c ^ algorithm.xor_output);
		989	}
		990
		991	pub fn hash(bytes: []const u8) W {
		992	var c = Self.init();
		993	c.update(bytes);
		994	return c.final();
		995	}
		996
		997	fn reflect(x: I) I {
		998	const offset = @bitSizeOf(I) - @bitSizeOf(W);
		999	if (algorithm.reflect_input)
		1000	return @bitReverse(x) >> offset
		1001	else
		1002	return x << offset;
		1003	}
		1004	};
		1005	}
		1006
		1007	test {
		1008	_ = @import("crc/test.zig");
		1009	}

lib/std/hash/crc/impl.zig deleted-103

...	@@ -1,103 +0,0 @@
1	// There is a generic CRC implementation "Crc()" which can be parameterized via
2	// the Algorithm struct for a plethora of uses.
3	//
4	// The primary interface for all of the standard CRC algorithms is the
5	// generated file "crc.zig", which uses the implementation code here to define
6	// many standard CRCs.
7
8	const std = @import("std");
9
10	pub fn Algorithm(comptime W: type) type {
11	return struct {
12	polynomial: W,
13	initial: W,
14	reflect_input: bool,
15	reflect_output: bool,
16	xor_output: W,
17	};
18	}
19
20	pub fn Crc(comptime W: type, comptime algorithm: Algorithm(W)) type {
21	return struct {
22	const Self = @This();
23	const I = if (@bitSizeOf(W) < 8) u8 else W;
24	const lookup_table = blk: {
25	@setEvalBranchQuota(2500);
26	const poly = reflect(algorithm.polynomial);
27	var table: [256]I = undefined;
28	for (&table, 0..) \|*e, i\| {
29	var crc: I = i;
30	if (algorithm.reflect_input) {
31	var j: usize = 0;
32	while (j < 8) : (j += 1) {
33	crc = (crc >> 1) ^ ((crc & 1) * poly);
34	}
35	} else {
36	crc <<= @bitSizeOf(I) - 8;
37	var j: usize = 0;
38	while (j < 8) : (j += 1) {
39	crc = (crc << 1) ^ (((crc >> (@bitSizeOf(I) - 1)) & 1) * poly);
40	}
41	}
42	e.* = crc;
43	}
44	break :blk table;
45	};
46
47	crc: I,
48
49	pub fn init() Self {
50	const initial = reflect(algorithm.initial);
51	return .{ .crc = initial };
52	}
53
54	inline fn tableEntry(index: I) I {
55	const short: u8 = @truncate(index);
56	return lookup_table[short];
57	}
58
59	pub fn update(self: *Self, bytes: []const u8) void {
60	var i: usize = 0;
61	if (@bitSizeOf(I) <= 8) {
62	while (i < bytes.len) : (i += 1) {
63	self.crc = tableEntry(self.crc ^ bytes[i]);
64	}
65	} else if (algorithm.reflect_input) {
66	while (i < bytes.len) : (i += 1) {
67	const table_index = self.crc ^ bytes[i];
68	self.crc = tableEntry(table_index) ^ (self.crc >> 8);
69	}
70	} else {
71	while (i < bytes.len) : (i += 1) {
72	const table_index = (self.crc >> (@bitSizeOf(I) - 8)) ^ bytes[i];
73	self.crc = tableEntry(table_index) ^ (self.crc << 8);
74	}
75	}
76	}
77
78	pub fn final(self: Self) W {
79	var c = self.crc;
80	if (algorithm.reflect_input != algorithm.reflect_output) {
81	c = @bitReverse(c);
82	}
83	if (!algorithm.reflect_output) {
84	c >>= @bitSizeOf(I) - @bitSizeOf(W);
85	}
86	return @intCast(c ^ algorithm.xor_output);
87	}
88
89	pub fn hash(bytes: []const u8) W {
90	var c = Self.init();
91	c.update(bytes);
92	return c.final();
93	}
94
95	fn reflect(x: I) I {
96	const offset = @bitSizeOf(I) - @bitSizeOf(W);
97	if (algorithm.reflect_input)
98	return @bitReverse(x) >> offset
99	else
100	return x << offset;
101	}
102	};
103	}