# \[Bug #1720\] \[NaN\] == \[NaN\] $B$,(B true $B$K$J$k(B

**URL:** <https://www.ruby-forum.com/t/bug-1720-nan-nan-b-b-true-b-k-j-k-b/171560>\
**Category:** Development\
**Created:** [July 5, 2009, 11:35am UTC](https://www.ruby-forum.com/t/bug-1720-nan-nan-b-b-true-b-k-j-k-b/171560 "2009-07-05T11:35:55Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![tadayoshi\_funaba](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/f0a364/32.png) [@tadayoshi\_funaba](https://www.ruby-forum.com/u/tadayoshi_funaba)\
**Post date:** [July 5, 2009, 11:35am UTC](https://www.ruby-forum.com/t/bug-1720-nan-nan-b-b-true-b-k-j-k-b/171560/1 "2009-07-05T11:35:55Z")

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e$B%A%1%C%He(B #1720 e$B$,99?7$5$l$^$7$?!#e(B (by tadayoshi funaba)

## e$B$=$s$J$KB.EYE\*$K$-$D$$$s$G$9$+$M!#e(B e$B$G$“$l$P!”$"$^$jL/$J$3$H$O$7$J$$$[$&$,$$$$$H;W$&$N$G!"e(B e$B4{CN$NLdBj$H$7$FEvLL$Oe(B(4)e$B$H$9$k$H$+!#e(B

[http://redmine.ruby-lang.org/issues/show/1720](http://redmine.ruby-lang.org/issues/show/1720)