# \[Bug:trunk\] test\_float\_hex failure

**URL:** <https://www.ruby-forum.com/t/bug-trunk-test-float-hex-failure/186258>\
**Category:** Development\
**Created:** [April 3, 2010, 3:09am UTC](https://www.ruby-forum.com/t/bug-trunk-test-float-hex-failure/186258 "2010-04-03T03:09:54Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [April 3, 2010, 3:09am UTC](https://www.ruby-forum.com/t/bug-trunk-test-float-hex-failure/186258/1 "2010-04-03T03:09:54Z")

</div>

test\_float\_hex e$B$,\<:GT$7$F$$$^$9!#e(B

+test\_float\_hex(TestSprintf)  
[/home/akr/chkbuild/tmp/build/ruby-trunk//ruby/test/ruby/test\_sprintf.rb:200]:  
+\<“0x1.193ea7aad030ap+0”\> expected but was  
+\<“0x1.193ea7aad030bp+0”\>.

[http://www.rubyist.net/~akr/chkbuild/debian/ruby-trunk/log/20100401T153400.diff.txt.gz](http://www.rubyist.net/~akr/chkbuild/debian/ruby-trunk/log/20100401T153400.diff.txt.gz)

e$B0J2\<$Ne(B assertion e$B$GH/@8$7$F$$$k$h$&$G$9!#e(B  
assert\_equal(“0x1.193ea7aad030ap+0”, sprintf(“%a”, Math.log(3)))