# \[Bug #1647\] fdiv が妙に遅くなることがある

**URL:** <https://www.ruby-forum.com/t/bug-1647-fdiv-b-l-kcy-j-k-3-h-k-b/170434>\
**Category:** Development\
**Created:** [June 17, 2009, 4:25pm UTC](https://www.ruby-forum.com/t/bug-1647-fdiv-b-l-kcy-j-k-3-h-k-b/170434 "2009-06-17T16:25:44Z")\
**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:** [June 17, 2009, 4:25pm UTC](https://www.ruby-forum.com/t/bug-1647-fdiv-b-l-kcy-j-k-3-h-k-b/170434/1 "2009-06-17T16:25:44Z")

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Bug #1647: fdiv e$B$,L/$KCY$/$J$k$3$H$,$"$ke(B  
[http://redmine.ruby-lang.org/issues/show/1647](http://redmine.ruby-lang.org/issues/show/1647)

e$B5/I\<\<Te(B: tadayoshi funaba  
e$B%9%F!\<%?%9e(B: Open, e$BM%@hEYe(B: Normal  
ruby -v: ruby 1.8.7 (2009-06-12 patchlevel 174) [i686-linux]

fdiv e$B$,L/$KCY$/$J$k$3$H$,$"$k!#e(B  
e$B$=$7$F!"7k2L$,e(B 0.0 e$B$K$J$j$^$9!#e(B

main@187-20090612\> (Float::MAX.to\_i\*100).fdiv(1)  
#=\> 0.0