Difference between revisions of "Base Conversion"
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PeterHarding (talk | contribs) (New page: =Examples= <pre> def baseconvert(n, base): """convert positive decimal integer n to equivalent in another base (2-36)""" digits = "0123456789abcdefghijklmnopqrstuvwxyz" try:...) |
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=Examples= | =Examples= | ||
A couple of code examples extracted from http://code.activestate.com/recipes/65212/ | |||
<pre> | <pre> | ||
| Line 25: | Line 27: | ||
return s | return s | ||
</pre> | |||
<pre> | |||
def baseN(num,b,numerals="0123456789abcdefghijklmnopqrstuvwxyz"): | |||
return ((num == 0) and "0" ) or ( baseN(num // b, b).lstrip("0") + numerals[num % b]) | |||
</pre> | </pre> | ||
[[Category:Python]] | [[Category:Python]] | ||
[[Category:Examples]] | |||
[[Category:Mathematics]] | [[Category:Mathematics]] | ||
Latest revision as of 17:05, 19 July 2009
Examples
A couple of code examples extracted from http://code.activestate.com/recipes/65212/
def baseconvert(n, base):
"""convert positive decimal integer n to equivalent in another base (2-36)"""
digits = "0123456789abcdefghijklmnopqrstuvwxyz"
try:
n = int(n)
base = int(base)
except:
return ""
if n < 0 or base < 2 or base > 36:
return ""
s = ""
while 1:
r = n % base
s = digits[r] + s
n = n / base
if n == 0:
break
return s
def baseN(num,b,numerals="0123456789abcdefghijklmnopqrstuvwxyz"):
return ((num == 0) and "0" ) or ( baseN(num // b, b).lstrip("0") + numerals[num % b])