|
a |
|
b/python/maths3.py |
|
|
1 |
import struct |
|
|
2 |
|
|
|
3 |
# print(struct.unpack('>i', ''.join([chr(242), chr(108)]))) |
|
|
4 |
|
|
|
5 |
bit_list = [] |
|
|
6 |
|
|
|
7 |
level = 0 |
|
|
8 |
(chr(108), 29) |
|
|
9 |
for char, byte in [(chr(108), 29), (chr(253), 28)]: |
|
|
10 |
level = 0 |
|
|
11 |
print(byte) |
|
|
12 |
bit_list = [] |
|
|
13 |
for i in range(232, 240, 1): |
|
|
14 |
print(i) |
|
|
15 |
level <<= 1 |
|
|
16 |
print(level) |
|
|
17 |
o = i % 8 |
|
|
18 |
bit_list.append(chr(ord(char) >> o & 1)) |
|
|
19 |
level += ord(char) >> o & 1 |
|
|
20 |
print(bit_list) |
|
|
21 |
print(level) |
|
|
22 |
print(struct.unpack('>ii', ''.join(bit_list))) |
|
|
23 |
print(struct.unpack('>ff', ''.join(bit_list))) |
|
|
24 |
print(struct.unpack('hhhh', ''.join(bit_list))) |
|
|
25 |
print(struct.unpack('d', ''.join(bit_list))) |
|
|
26 |
print(struct.unpack('l', ''.join(bit_list))) |
|
|
27 |
bit_list = [] |
|
|
28 |
level = 0 |
|
|
29 |
|
|
|
30 |
for i in range(239, 231, -1): |
|
|
31 |
print(i) |
|
|
32 |
level <<= 1 |
|
|
33 |
print(level) |
|
|
34 |
o = i % 8 |
|
|
35 |
bit_list.append(chr(ord(char) >> o & 1)) |
|
|
36 |
level += ord(char) >> o & 1 |
|
|
37 |
print(bit_list) |
|
|
38 |
print(level) |
|
|
39 |
print(struct.unpack('ii', ''.join(bit_list))) |
|
|
40 |
print(struct.unpack('ff', ''.join(bit_list))) |
|
|
41 |
print(struct.unpack('hhhh', ''.join(bit_list))) |
|
|
42 |
print(struct.unpack('d', ''.join(bit_list))) |
|
|
43 |
print(struct.unpack('l', ''.join(bit_list))) |
|
|
44 |
bit_list = [] |
|
|
45 |
for i in range(224, 232, 1): |
|
|
46 |
print(i) |
|
|
47 |
level <<= 1 |
|
|
48 |
print(level) |
|
|
49 |
o = i % 8 |
|
|
50 |
bit_list.append(chr(ord(char) >> o & 1)) |
|
|
51 |
level += ord(char) >> o & 1 |
|
|
52 |
print(bit_list) |
|
|
53 |
print(level) |
|
|
54 |
print(struct.unpack('ii', ''.join(bit_list))) |
|
|
55 |
print(struct.unpack('ff', ''.join(bit_list))) |
|
|
56 |
print(struct.unpack('hhhh', ''.join(bit_list))) |
|
|
57 |
print(struct.unpack('d', ''.join(bit_list))) |
|
|
58 |
print(struct.unpack('l', ''.join(bit_list))) |
|
|
59 |
level = 0 |
|
|
60 |
|
|
|
61 |
bit_list = [] |
|
|
62 |
for i in range(231, 223, -1): |
|
|
63 |
print(i) |
|
|
64 |
level <<= 1 |
|
|
65 |
print(level) |
|
|
66 |
o = i % 8 |
|
|
67 |
bit_list.append(chr(ord(char) >> o & 1)) |
|
|
68 |
level += ord(char) >> o & 1 |
|
|
69 |
print(bit_list) |
|
|
70 |
print(level) |
|
|
71 |
print(struct.unpack('ii', ''.join(bit_list))) |
|
|
72 |
print(struct.unpack('ff', ''.join(bit_list))) |
|
|
73 |
print(struct.unpack('hhhh', ''.join(bit_list))) |
|
|
74 |
print(struct.unpack('d', ''.join(bit_list))) |
|
|
75 |
print(struct.unpack('l', ''.join(bit_list))) |
|
|
76 |
""" |
|
|
77 |
print(struct.unpack('ii', ''.join(bit_list))) |
|
|
78 |
|
|
|
79 |
print(struct.unpack('>ii', ''.join(bit_list))) |
|
|
80 |
|
|
|
81 |
print(struct.unpack('hhhh', ''.join(bit_list))) |
|
|
82 |
|
|
|
83 |
print(struct.unpack('>hhhh', ''.join(bit_list))) |
|
|
84 |
|
|
|
85 |
print(struct.unpack('ff', ''.join(bit_list))) |
|
|
86 |
|
|
|
87 |
print(struct.unpack('>ff', ''.join(bit_list))) |
|
|
88 |
|
|
|
89 |
print(struct.unpack('d', ''.join(bit_list))) |
|
|
90 |
|
|
|
91 |
print(struct.unpack('>d', ''.join(bit_list))) |
|
|
92 |
bit_list = [] |
|
|
93 |
for i in range(8): |
|
|
94 |
level <<= 1 |
|
|
95 |
print(level) |
|
|
96 |
bit_list.append(chr(ord(byte) >> i & 1)) |
|
|
97 |
print(bit_list) |
|
|
98 |
if sys.version_info >= (3, 0): |
|
|
99 |
level |= (byte >> i * 8) & 1 |
|
|
100 |
else: |
|
|
101 |
level |= (ord(chr(105)) >> i) & 1 |
|
|
102 |
|
|
|
103 |
print(struct.unpack('ii', ''.join(bit_list))) |
|
|
104 |
|
|
|
105 |
values = struct.unpack('>ii', ''.join(bit_list)) |
|
|
106 |
value_1 = struct.pack('<i', values[0]) |
|
|
107 |
value_2 = struct.pack('<i', values[1]) |
|
|
108 |
print(value_1) |
|
|
109 |
print('------------') |
|
|
110 |
print(struct.unpack('ff', value_1 + value_2)) |
|
|
111 |
print(struct.unpack('hhhh', ''.join(bit_list))) |
|
|
112 |
|
|
|
113 |
print(struct.unpack('>hhhh', ''.join(bit_list))) |
|
|
114 |
|
|
|
115 |
print(struct.unpack('ff', ''.join(bit_list))) |
|
|
116 |
|
|
|
117 |
print(struct.unpack('>ff', ''.join(bit_list))) |
|
|
118 |
|
|
|
119 |
print(struct.unpack('d', ''.join(bit_list))) |
|
|
120 |
|
|
|
121 |
print(struct.unpack('>d', ''.join(bit_list))) |
|
|
122 |
|
|
|
123 |
print(256 * 0.51) |
|
|
124 |
|
|
|
125 |
value = struct.pack('>f', 2048.00) |
|
|
126 |
print(struct.unpack('>hh', value)) |
|
|
127 |
print(struct.unpack('>l', value)) |
|
|
128 |
value_2 = struct.unpack('hh', value) |
|
|
129 |
value_3 = struct.pack('i', value_2) |
|
|
130 |
print(value_3) |
|
|
131 |
""" |