liba 0.1.15

An algorithm library based on C/C++
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

#!/usr/bin/env python
from __future__ import print_function
import os, sys

path = os.path.dirname(__file__)
path = os.path.dirname(path)
sys.path.insert(0, path)
if len(sys.argv) > 1:
    sys.stdout = open(sys.argv[1], "w")

import liba  # type: ignore

text = b"0123456789"

crc = liba.crc8(0x07)
assert crc.table
assert crc(text) == 0x45
assert crc(crc.pack(text)) == 0

crc = liba.crc8(0x31, reversed=True)
assert crc.table
assert crc(text) == 0x75
assert crc(crc.pack(text)) == 0

crc = liba.crc16(0x1021)
assert crc.table
assert crc(text) == 0x9C58
assert crc(crc.pack(text)) == 0

crc = liba.crc16(0x8005, reversed=True)
assert crc.table
assert crc(text) == 0x443D
assert crc(crc.pack(text)) == 0

crc = liba.crc32(0x1EDC6F41)
assert crc.table
assert crc(text) == 0x512B456E
assert crc(crc.pack(text)) == 0

crc = liba.crc32(0x04C11DB7, reversed=True)
assert crc.table
assert crc(text) == 0x450EAFB0
assert crc(crc.pack(text)) == 0

crc = liba.crc64(0x000000000000001B)
assert crc.table
assert crc(text) == 0xE4FFBEA588AFC790
assert crc(crc.pack(text)) == 0

crc = liba.crc64(0x42F0E1EBA9EA3693, reversed=True)
assert crc.table
assert crc(text) == 0xDA60676A5CDE0008
assert crc(crc.pack(text)) == 0