languages/cpython
languages/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython synced 2024-09-06 04:03:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

Remove unnecessary test for xc == 1 in _pydecimal (GH-27102)

Browse source 
- if `xc == 1` then the function returns on line 2140;
- other assignments to `xc` are inside the `y.sign == 1` condition block which always returns early
This commit is contained in:
Elisha Hollander 2021-07-15 13:48:46 +03:00 committed by GitHub
parent 28544609cb
commit 3527569f1c
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
Lib/_pydecimal.py
View file

@ -2230,7 +2230,7 @@ def _power_exact(self, other, p):
if xe != 0 and len(str(abs(yc*xe))) <= -ye:
return None
xc_bits = _nbits(xc)
if xc != 1 and len(str(abs(yc)*xc_bits)) <= -ye:
if len(str(abs(yc)*xc_bits)) <= -ye:
return None
m, n = yc, 10**(-ye)
while m % 2 == n % 2 == 0:
@ -2243,7 +2243,7 @@ def _power_exact(self, other, p):
# compute nth root of xc*10**xe
if n > 1:
# if 1 < xc < 2**n then xc isn't an nth power
if xc != 1 and xc_bits <= n:
if xc_bits <= n:
return None
xe, rem = divmod(xe, n)