Bug #13980: Rounding failure on i686 (i386).

• Status: Closed
• Priority: Normal
• Assignee: -
• Target version: -
• ruby -v: ruby 2.3.5p376 (2017-09-14 revision 59905) [i386-linux]
• Backport: 2.3: UNKNOWN, 2.4: UNKNOWN

[pvalena (Pavel Valena)]

Revision 58513 introduced rounding failure:

  1) Failure:
TestFloat#test_round_with_precision [/builddir/build/BUILD/ruby-2.3.5/test/ruby/test_float.rb:448]:
<5.02> expected but was
<5.01>.
15981 tests, 2235227 assertions, 1 failures, 0 errors, 38 skips
ruby -v: ruby 2.3.5p376 (2017-09-14 revision 59905) [i386-linux]

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Feedback

I can't reproduce it with gcc 7.2.0 on Ubuntu 17.10.
Which distribution and compiler are you using?

[vo.x (Vit Ondruch)]

Fedora 25 using gcc-6.4.1-1.fc25.i686. This is example of the failing build:

https://koji.fedoraproject.org/koji/taskinfo?taskID=22237224

[jeremyevans0 (Jeremy Evans)]

Does this rounding error still occur on Fedora i686?

[jeremyevans0 (Jeremy Evans)]

• Status changed from Feedback to Closed