Rename math.sum to math.fsum
diff --git a/Lib/test/test_math.py b/Lib/test/test_math.py
index 09f884e..9f5fdba 100644
--- a/Lib/test/test_math.py
+++ b/Lib/test/test_math.py
@@ -646,10 +646,10 @@
self.assert_(math.isnan(math.sqrt(NAN)))
def testSum(self):
- # math.sum relies on exact rounding for correct operation.
+ # math.fsum relies on exact rounding for correct operation.
# There's a known problem with IA32 floating-point that causes
# inexact rounding in some situations, and will cause the
- # math.sum tests below to fail; see issue #2937. On non IEEE
+ # math.fsum tests below to fail; see issue #2937. On non IEEE
# 754 platforms, and on IEEE 754 platforms that exhibit the
# problem described in issue #2937, we simply skip the whole
# test.
@@ -662,7 +662,7 @@
if 1e16+2.0 != 1e16+2.9999:
return
- # Python version of math.sum, for comparison. Uses a
+ # Python version of math.fsum, for comparison. Uses a
# different algorithm based on frexp, ldexp and integer
# arithmetic.
from sys import float_info
@@ -719,13 +719,13 @@
for i, (vals, expected) in enumerate(test_values):
try:
- actual = math.sum(vals)
+ actual = math.fsum(vals)
except OverflowError:
self.fail("test %d failed: got OverflowError, expected %r "
- "for math.sum(%.100r)" % (i, expected, vals))
+ "for math.fsum(%.100r)" % (i, expected, vals))
except ValueError:
self.fail("test %d failed: got ValueError, expected %r "
- "for math.sum(%.100r)" % (i, expected, vals))
+ "for math.fsum(%.100r)" % (i, expected, vals))
self.assertEqual(actual, expected)
from random import random, gauss, shuffle
@@ -739,7 +739,7 @@
shuffle(vals)
s = msum(vals)
- self.assertEqual(msum(vals), math.sum(vals))
+ self.assertEqual(msum(vals), math.fsum(vals))
def testTan(self):