bpo-41513: Second attempt to add accuracy tests for math.hypot()

[rhettinger]

Formerly, these tests succeeded on all buildbots except the Gentoo AMD Athlon build.

Am attempting to get it to pass by adding the same guards used in testFsum(). This requires IEEE-754 and will skip the test in double rounding environments.

If this still fails, will revert and abandon the effort to add accuracy tests.

https://bugs.python.org/issue41513

[rhettinger]

After 9 hours, the Travis CI seems to be wedged. Perhaps closing and reopening will trigger a new build.

[vstinner]

If you want to test Gentoo, you can add the buildbot label.

[bedevere-bot]

🤖 New build scheduled with the buildbot fleet by @rhettinger for commit 5edc606 🤖

If you want to schedule another build, you need to add the ":hammer: test-with-buildbots" label again.

[bedevere-bot]

🤖 New build scheduled with the buildbot fleet by @rhettinger for commit 9255115 🤖

If you want to schedule another build, you need to add the ":hammer: test-with-buildbots" label again.

[bedevere-bot]

🤖 New build scheduled with the buildbot fleet by @rhettinger for commit 6da426d 🤖

If you want to schedule another build, you need to add the ":hammer: test-with-buildbots" label again.

[bedevere-bot]

🤖 New build scheduled with the buildbot fleet by @rhettinger for commit 1cd8b13 🤖

If you want to schedule another build, you need to add the ":hammer: test-with-buildbots" label again.