Author: stian
Branch: math-improvements
Changeset: r93012:9838b9ca2938
Date: 2017-11-14 11:18 +0100
http://bitbucket.org/pypy/pypy/changeset/9838b9ca2938/
Log: Don't return a copy on long // 1
diff --git a/rpython/rlib/rbigint.py b/rpython/rlib/rbigint.py
--- a/rpython/rlib/rbigint.py
+++ b/rpython/rlib/rbigint.py
@@ -788,8 +788,8 @@
if self.sign == 1 and other.numdigits() == 1 and other.sign == 1:
digit = other.digit(0)
if digit == 1:
- return rbigint(self._digits[:self.numdigits()], 1,
self.numdigits())
- elif digit and digit & (digit - 1) == 0:
+ return self
+ elif digit & (digit - 1) == 0:
return self.rqshift(ptwotable[digit])
div, mod = _divrem(self, other)
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