# test\_strtod(TestFloat): ArgumentError: invalid value for Flo

**URL:** <https://www.ruby-forum.com/t/test-strtod-testfloat-argumenterror-invalid-value-for-flo/99157>\
**Category:** Development\
**Created:** [July 20, 2006, 5:55pm UTC](https://www.ruby-forum.com/t/test-strtod-testfloat-argumenterror-invalid-value-for-flo/99157 "2006-07-20T17:55:11Z")\
**Posts on this page:** 3\
**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:** [July 20, 2006, 5:55pm UTC](https://www.ruby-forum.com/t/test-strtod-testfloat-argumenterror-invalid-value-for-flo/99157/1 "2006-07-20T17:55:11Z")

</div>

2006-07-18 e$B0JMh!"e(B1.9 e$B$Ne(B test-all e$B$Ge(B  
(e$BB\>$N$?$/$5$s$N\<:GT$KJ6e(B  
e$B$l$F$$$F5$$,$D$-$K$/$$$N$G$9$,e(B) test\_strtod(TestFloat) e$B$,%(e(B  
e$B%i!\<$K$J$C$F$$$^$9!#e(B

[http://www.rubyist.net/~akr/chkbuild/debian-sarge/ruby-trunk/log/20060718T004843.txt.gz](http://www.rubyist.net/~akr/chkbuild/debian-sarge/ruby-trunk/log/20060718T004843.txt.gz)

1. Error:  
test\_strtod(TestFloat):  
ArgumentError: invalid value for Float(): “0.”  
/home/akr/chkbuild/tmp/build/ruby-trunk/ruby/test/ruby/test\_float.rb:76:in  
`Float' /home/akr/chkbuild/tmp/build/ruby-trunk/ruby/test/ruby/test_float.rb:76:in `test\_strtod’

1.8 e$B$G$O$=$NF|$N$&$A$KBP=h$5$l$?$h$&$G$9$,!"e(B1.9 e$B$O2?$+0c$&$se(B  
e$B$G$9$+e(B?  
[http://www.rubyist.net/~akr/chkbuild/debian-sarge/ruby-1.8/log/20060718T183313.txt.gz](http://www.rubyist.net/~akr/chkbuild/debian-sarge/ruby-1.8/log/20060718T183313.txt.gz)

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<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:** [July 20, 2006, 6:04pm UTC](https://www.ruby-forum.com/t/test-strtod-testfloat-argumenterror-invalid-value-for-flo/99157/2 "2006-07-20T18:04:59Z")

</div>

e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

In message “Re: [ruby-dev:29089] test\_strtod(TestFloat): ArgumentError:  
invalid value for Float(): “0.” on 1.9”  
on Fri, 21 Jul 2006 00:53:23 +0900, Tanaka A. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
writes:

|2006-07-18 e$B0JMh!"e(B1.9 e$B$Ne(B test-all e$B$Ge(B (e$BB\>$N$?$/$5$s$N\<:GT$KJ6e(B  
|e$B$l$F$$$F5$$,$D$-$K$/$$$N$G$9$,e(B) test\_strtod(TestFloat) e$B$,%(e(B  
|e$B%i!\<$K$J$C$F$$$^$9!#e(B

|1.8 e$B$G$O$=$NF|$N$&$A$KBP=h$5$l$?$h$&$G$9$,!"e(B1.9 e$B$O2?$+0c$&$se(B  
|e$B$G$9$+e(B?

e$B$$$d!"8e2s$7$K$J$C$F$?$@$1$G$9!#$b$&$9$0%A%'%C%/%$%s$7$^$9!#e(B

---

<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:** [July 20, 2006, 6:11pm UTC](https://www.ruby-forum.com/t/test-strtod-testfloat-argumenterror-invalid-value-for-flo/99157/3 "2006-07-20T18:11:27Z")

</div>

In article [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid),  
Yukihiro M. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) writes:

> e$B$$$d!"8e2s$7$K$J$C$F$?$@$1$G$9!#$b$&$9$0%A%'%C%/%$%s$7$^$9!#e(B

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e$B$K!”%A%'%C%/%$%s$7$F$/$@$5$$!#e(B

e$B8e2s$7$K$5$l$k$3$H\<+BN$OJ#?t$NJQ99$r$^$H$a$i$l$k$3$H$h$j$O:$e(B  
e$B$j$^$;$s$,!"8e2s$7$K$5$l$k$H!"J#?t$NJQ99$,$^$H$a$i$l$k2DG=@-e(B  
e$B$,9b$^$k$?$a!"7|G0$r3P$($^$9!#e(B