FazBrowse GitHub Viewer | Trending |
URL:
| Home
Tools: [Download Repo ZIP]   [Original HTTPS Page]

gh-85989: move HAVE_DOUBLE_ROUNDING check to test.support by skirpichev · Pull Request #150219 · python/cpython · GitHub

  1. python
  2. cpython

Repository navigation

gh-85989: move HAVE_DOUBLE_ROUNDING check to test.support #150219

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
vstinner merged 9 commits into from
May 28, 2026
Conversation 8 Commits 9 Checks 47 Files changed
Merged

gh-85989: move HAVE_DOUBLE_ROUNDING check to test.support #150219

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
9 commits
Select commit Hold shift + click to select a range
514d738
gh-85989: add HAVE_DOUBLE_ROUNDING check to test.support
skirpichev May 22, 2026
dfdb76b
Merge branch 'master' into test-support-double-rounding
skirpichev May 26, 2026
6ca94a6
add instead the skip_if_have_double_rounding decorator
skirpichev May 26, 2026
dd5edc3
address review: rename decorator
skirpichev May 26, 2026
1cef882
Merge branch 'main' into test-support-double-rounding
skirpichev May 26, 2026
afa0b67
Update Lib/test/support/__init__.py
skirpichev May 26, 2026
97ee9eb
+1
skirpichev May 26, 2026
1a12911
Merge branch 'master' into test-support-double-rounding
skirpichev May 28, 2026
6a75c91
address review: delete x, y, HAVE_DOUBLE_ROUNDING
skirpichev May 28, 2026
File filter

Filter by extension

Filter by extension .py  (4) All 1 file type selected
Viewed files
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Unified
Split
Hide whitespace
Diff view
Unified
Split
Hide whitespace
Prev Previous commit
Next Next commit
address review: rename decorator
  • Loading branch information
skirpichev committed May 26, 2026
commit dd5edc3df79c5c4e7ea1bbf2dd39a8dbc772f193
9 changes: 4 additions & 5 deletions Lib/test/support/__init__.py
Show comments
View file
Open in desktop
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters
Show hidden characters
Original file line number Diff line number Diff line change
Expand Up @@ -73,7 +73,7 @@
"run_no_yield_async_fn", "run_yielding_async_fn", "async_yield",
"reset_code", "on_github_actions",
"requires_root_user", "requires_non_root_user",
"skip_if_have_double_rounding",
"skip_if_double_rounding",
]


Expand Down Expand Up @@ -527,10 +527,9 @@ def dec(*args, **kwargs):

# detect evidence of double-rounding:
x, y = 1e16, 2.9999 # use temporary values to defeat peephole optimizer
skip_if_have_double_rounding = unittest.skipIf(x + y == 1e16 + 4,
("accuracy not guaranteed on "
"machines with double "
"rounding"))
skip_if_double_rounding = unittest.skipIf(x + y == 1e16 + 4,
("accuracy not guaranteed on "
"machines with double rounding"))
Comment thread
skirpichev marked this conversation as resolved.
Outdated


def requires_zlib(reason='requires zlib'):
Expand Down
4 changes: 2 additions & 2 deletions Lib/test/test_builtin.py
Show comments
View file
Open in desktop
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters
Show hidden characters
Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@
from test.support.script_helper import assert_python_ok
from test.support.testcase import ComplexesAreIdenticalMixin
from test.support.warnings_helper import check_warnings
from test.support import requires_IEEE_754, skip_if_have_double_rounding
from test.support import requires_IEEE_754, skip_if_double_rounding
from unittest.mock import MagicMock, patch
try:
import pty, signal
Expand Down Expand Up @@ -2230,7 +2230,7 @@ def __getitem__(self, index):
complex(2, -0.0))

@requires_IEEE_754
@skip_if_have_double_rounding
@skip_if_double_rounding
@support.cpython_only # Other implementations may choose a different algorithm
def test_sum_accuracy(self):
self.assertEqual(sum([0.1] * 10), 1.0)
Expand Down
10 changes: 5 additions & 5 deletions Lib/test/test_math.py
Show comments
View file
Open in desktop
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters
Show hidden characters
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
# XXXX Should not do tests around zero only

from test.support import (verbose, requires_IEEE_754,
skip_if_have_double_rounding)
skip_if_double_rounding)
from test import support
import unittest
import fractions
Expand Down Expand Up @@ -679,7 +679,7 @@ def testfrexp(name, result, expected):
self.assertTrue(math.isnan(math.frexp(NAN)[0]))

@requires_IEEE_754
@skip_if_have_double_rounding
@skip_if_double_rounding
def testFsum(self):
# math.fsum relies on exact rounding for correct operation.
# There's a known problem with IA32 floating-point that causes
Expand Down Expand Up @@ -915,7 +915,7 @@ def testHypot(self):
self.assertRaises(TypeError, math.hypot, *([1.0]*18), 'spam')

@requires_IEEE_754
@skip_if_have_double_rounding
@skip_if_double_rounding
def testHypotAccuracy(self):
# Verify improved accuracy in cases that were known to be inaccurate.
#
Expand Down Expand Up @@ -1404,7 +1404,7 @@ def __rmul__(self, other):
self.assertEqual(sumprod(*args), 0.0)

@requires_IEEE_754
@skip_if_have_double_rounding
@skip_if_double_rounding
@support.cpython_only # Other implementations may choose a different algorithm
def test_sumprod_accuracy(self):
sumprod = math.sumprod
Expand Down Expand Up @@ -1489,7 +1489,7 @@ def run(func, *args):
)

@requires_IEEE_754
@skip_if_have_double_rounding
@skip_if_double_rounding
@support.cpython_only # Other implementations may choose a different algorithm
@support.requires_resource('cpu')
def test_sumprod_extended_precision_accuracy(self):
Expand Down
4 changes: 2 additions & 2 deletions Lib/test/test_statistics.py
Show comments
View file
Open in desktop
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters
Show hidden characters
Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@
import unittest
from test import support
from test.support import (import_helper, requires_IEEE_754,
skip_if_have_double_rounding)
skip_if_double_rounding)

from decimal import Decimal
from fractions import Fraction
Expand Down Expand Up @@ -2791,7 +2791,7 @@ def test_sqrtprod_helper_function_fundamentals(self):
self.assertEqual(sign(actual), sign(expected))

@requires_IEEE_754
@skip_if_have_double_rounding
@skip_if_double_rounding
@support.cpython_only # Allow for a weaker sumprod() implementation
def test_sqrtprod_helper_function_improved_accuracy(self):
# Test a known example where accuracy is improved
Expand Down
Loading
Back | FazBrowse Home | New Git URL