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| author | Mark Dickinson <dickinsm@gmail.com> | 2010-06-25 20:23:41 (GMT) |
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| committer | Mark Dickinson <dickinsm@gmail.com> | 2010-06-25 20:23:41 (GMT) |
| commit | b76207138ac0ac132e5675f209956e9852e7c6b1 (patch) | |
| tree | 070b11ddb8148c6988c1606ebed685d07b3f5bdb /Modules/mathmodule.c | |
| parent | 4af2c15e5f145f3d9e646952d87dbaf9ffa453d0 (diff) | |
| download | cpython-b76207138ac0ac132e5675f209956e9852e7c6b1.zip cpython-b76207138ac0ac132e5675f209956e9852e7c6b1.tar.gz cpython-b76207138ac0ac132e5675f209956e9852e7c6b1.tar.bz2 | |
Merged revisions 82223 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k
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r82223 | mark.dickinson | 2010-06-25 21:22:24 +0100 (Fri, 25 Jun 2010) | 9 lines
Merged revisions 82221 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r82221 | mark.dickinson | 2010-06-25 21:19:48 +0100 (Fri, 25 Jun 2010) | 1 line
Fix indentation of Python code example in C comment.
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Diffstat (limited to 'Modules/mathmodule.c')
| -rw-r--r-- | Modules/mathmodule.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c index 50dd43e..05bad5d 100644 --- a/Modules/mathmodule.c +++ b/Modules/mathmodule.c @@ -490,17 +490,17 @@ _fsum_realloc(double **p_ptr, Py_ssize_t n, def msum(iterable): partials = [] # sorted, non-overlapping partial sums for x in iterable: - i = 0 - for y in partials: - if abs(x) < abs(y): - x, y = y, x - hi = x + y - lo = y - (hi - x) - if lo: - partials[i] = lo - i += 1 - x = hi - partials[i:] = [x] + i = 0 + for y in partials: + if abs(x) < abs(y): + x, y = y, x + hi = x + y + lo = y - (hi - x) + if lo: + partials[i] = lo + i += 1 + x = hi + partials[i:] = [x] return sum_exact(partials) Rounded x+y stored in hi with the roundoff stored in lo. Together hi+lo |