forked from heqin-zhu/algorithm
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathconvertWeight.py
More file actions
50 lines (45 loc) · 1.22 KB
/
convertWeight.py
File metadata and controls
50 lines (45 loc) · 1.22 KB
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
''' mbinary
#########################################################################
# File : num_weight.py
# Author: mbinary
# Mail: [email protected]
# Blog: https://mbinary.xyz
# Github: https://github.com/mbinary
# Created Time: 2018-05-19 21:36
# Description:
#########################################################################
'''
def covert(s,basefrom=10,baseto=2):
return d2n(n2d(s,basefrom),baseto)
def n2d(s,base=16):
''' num of base_n(n<36) to decimal'''
dic = {chr(i+ord('0')):i for i in range(10)}
s=s.upper()
if base>10:
dic.update({chr(i+ord('A')):i+10 for i in range(26)})
#if base in [16,8,2] :
# p=max(map(s.find,'OBX'))
# s=s[p+1:] #remove prefix of hex or bin or oct
rst=0
for i in s:
rst=dic[i]+rst*base
return rst
def d2n(n,base=16):
''' num of base_n(n<36) to decimal'''
dic = {i:chr(i+ord('0')) for i in range(10)}
if base>10:
dic.update({i+10:chr(i+ord('A')) for i in range(26)})
rst=[]
while n!=0:
i=int(n/base)
rst.append(dic[n-i*base])
n=i
return ''.join(rst[::-1])
'''
>>> n2d(str(d2n(4001)))
4001
>>> d2n(n2d(str(4001)),2)
'100000000000001'
>>> covert('4001',16,2)
'100000000000001'
'''