# \[Bug #1646\] BigDecimal $B$GIbF0\>.?tE@?t$X$NJQ49$,@5$7$/9T$J$o$l$J$$$3$H$,$"$k(B

**URL:** <https://www.ruby-forum.com/t/bug-1646-bigdecimal-b-gibf0-te-t-x-njq49-5-7-9t-j-o-l-j-3-h-k-b/170431>\
**Category:** Development\
**Created:** [June 17, 2009, 4:18pm UTC](https://www.ruby-forum.com/t/bug-1646-bigdecimal-b-gibf0-te-t-x-njq49-5-7-9t-j-o-l-j-3-h-k-b/170431 "2009-06-17T16:18:40Z")\
**Posts on this page:** 2\
**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, 4:18pm UTC](https://www.ruby-forum.com/t/bug-1646-bigdecimal-b-gibf0-te-t-x-njq49-5-7-9t-j-o-l-j-3-h-k-b/170431/1 "2009-06-17T16:18:40Z")

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Bug #1646: BigDecimal  
e$B$GIbF0\>.?tE@?t$X$NJQ49$,@5$7$/9T$J$o$l$J$$$3$H$,$"$ke(B  
[http://redmine.ruby-lang.org/issues/show/1646](http://redmine.ruby-lang.org/issues/show/1646)

e$B5/I\<\<Te(B: tadayoshi funaba  
e$B%9%F!\<%?%9e(B: Open, e$BM%@hEYe(B: Normal  
ruby -v: ruby 1.9.2dev (2009-06-17 trunk 23726) [i686-linux]

BigDecimal e$B$GIbF0\>.?tE@?t$X$NJQ49$,@5$7$/9T$J$o$l$J$$$3$H$,$"$ke(B

irb -r bigdecimal -r bigdecimal/util  
main@192-20090617\> Float::MAX  
#=\> 1.7976931348623157e+308  
main@192-20090617\> Float::MAX.to\_d  
#=\> #\<BigDecimal:83e4aa0,‘0.1797693134 8623157E309’,20(24)\>  
main@192-20090617\> Float::MAX.to\_d.to\_f  
#=\> Infinity

---

<div class="post-metadata">

**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 13, 2009, 2:51pm UTC](https://www.ruby-forum.com/t/bug-1646-bigdecimal-b-gibf0-te-t-x-njq49-5-7-9t-j-o-l-j-3-h-k-b/170431/2 "2009-07-13T14:51:16Z")

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e$B%A%1%C%He(B #1646 e$B$,99?7$5$l$^$7$?!#e(B (by Yuki S.)

e$B%9%F!\<%?%9e(B Opene$B$+$ie(BClosede$B$KJQ99e(B

## Applied in r23737.

[http://redmine.ruby-lang.org/issues/show/1646](http://redmine.ruby-lang.org/issues/show/1646)