e$B$^$D$b$H$5$s$+KNIt$5$se(B
e$B1sF#$G$9!#e(B
BigDecimal#** e$B$He(B #power e$B$N;EMMJQ99$,e(B trunk e$B$+$ie(B
ruby_1_8 e$B$K%P%C%/%]!<%He(B
e$B$5$l$F$$$^$9$,!"$3$l$Oe(B 1.8.7 e$B0JA0$HHf$Y$FHs8_49$JJQ99$G$9!#e(B
$ ruby -v -rbigdecimal -e ‘p BigDecimal(“Infinity”) ** -5’
ruby 1.8.7 (2008-08-11 patchlevel 72) [i486-linux]
#BigDecimal:b7c45204,‘NaN’,4(8)
$ ruby18 -v -rbigdecimal -e ‘p BigDecimal(“Infinity”) ** -5’
ruby 1.8.8dev (2010-01-26 revision 26430) [i686-linux]
#BigDecimal:b7d18c80,‘0.0’,4(8)
$ ruby19 -v -rbigdecimal -e ‘p BigDecimal(“Infinity”) ** -5’
ruby 1.9.2dev (2010-01-26 trunk 26420) [i686-linux]
#BigDecimal:824cf7c,‘0.0’,4(8)
e$BJQ99FbMF$Oe(B [ruby-dev:36159] e$B$Ne(B 1 e$B$D$a$N!"!Ve(BInfinity
e$B$NN_>h$re(B NaN e$B$G$J$/e(B
0 e$B$de(B Inf e$B$de(B -Inf e$B$K$9$k!W$H$$$&$b$N$G$9!#e(B
1.8.8 e$B$KHs8_49$JJQ99$rF~$l$k$N$O$h$/$J$$$H;W$&$N$G$9$,!"e(B
- 1.8.7 e$B0JA0$N%P%0$@$C$?e(B (1.8.6/1.8.7
e$B$K$b%P%C%/%]!<%H$9$Y$-e(B)
- 1.9 e$B$+$i$N;EMMJQ99e(B (ruby_1_8 e$B$X$N%P%C%/%]!<%H$Oe(B revert
e$B$9$Y$-e(B)
e$B$N$I$A$i$H9M$($k$Y$-$G$7$g$&$+!#e(Brubyspec
e$B$X$N=$@50MMj$K1F6A$7$^$9!#e(B
Yusuke ENDOH e$B$5$s$O=q$-$^$7$?e(B:
1.8.8 e$B$KHs8_49$JJQ99$rF~$l$k$N$O$h$/$J$$$H;W$&$N$G$9$,!"e(B
e$B$d$$r$($J$$;~$O$d$$r$($J$$$H;W$$$^$9$,!"$3$N%1!<%9$O$I$&$J$N$+$Je(B
- 1.8.7 e$B0JA0$N%P%0$@$C$?e(B (1.8.6/1.8.7 e$B$K$b%P%C%/%]!<%H$9$Y$-e(B)
- 1.9 e$B$+$i$N;EMMJQ99e(B (ruby_1_8 e$B$X$N%P%C%/%]!<%H$Oe(B revert e$B$9$Y$-e(B)
e$B$N$I$A$i$H9M$($k$Y$-$G$7$g$&$+!#e(Brubyspec e$B$X$N=$@50MMj$K1F6A$7$^$9!#e(B
e$B%P%0$@$C$?$H$$$&H=CG$J$ie(B1.8.7e$B$K$b%P%C%/%]!<%H$7$^$9!#8D?ME*$K$O$I$C$A$G$b$$$$5$e(B
e$B$,$7$^$9!#e(B
e$B:XF#$H?=$7$^$9!#e(B
On Tue, 26 Jan 2010 23:02:03 +0900
Yusuke ENDOH [email protected] wrote:
- 1.8.7 e$B0JA0$N%P%0$@$C$?e(B (1.8.6/1.8.7 e$B$K$b%P%C%/%]!<%H$9$Y$-e(B)
e$BEvA3$3$C$A$@$H;W$$$^$9!#e(B
1 / Infinity (=> 0) e$B$He(B Infinity ** -1 (=> NaN?)
e$B$,0[$J$k$N$O$*$+$7$$$G$9!#e(B
e$B$^$?<+J,$O?t3X$K$“$^$j>$7$/$”$j$^$;$s$,!“$b$7e(B
1
— e$B”*e(B 0 (n e$B"e(B e$B!ge(B)
n
e$B$,@.$jN)$?$J$$$J$i$P!“$3$N9q$N9b9;@8$,=,$&?t3X$9$iH]Dj$9$k7O$re(BRubye$B$,:N$C$F$$$k$3$H$Ke(B
e$B$J$k$G$7$g$&!#$G!”<+J,$O$=$&$$$&7O$,0lHLE$G$J$$$H?.$8$F$$$^$9!#e(B
e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B
In message “Re: [ruby-dev:40172] Re: [Bug:1.8] compatibility issue of
BigDecimal#** and #power”
on Wed, 27 Jan 2010 16:09:18 +0900, Tadashi S.
[email protected] writes:
|> - 1.8.7 e$B0JA0$N%P%0$@$C$?e(B (1.8.6/1.8.7 e$B$K$b%P%C%/%]!<%H$9$Y$-e(B)
|
|e$BEvA3$3$C$A$@$H;W$$$^$9!#e(B
|
|1 / Infinity (=> 0) e$B$He(B Infinity ** -1 (=> NaN?) e$B$,0[$J$k$N$O$*$+$7$$$G$9!#e(B
e$B;d$b%P%0$@$H;W$$$^$9$,!"<B:]$Ke(BDecimale$B$r;H$&?M$,!“85$NJ}$,$&e(B
e$B$l$7$$$H$$$&$N$G$”$l$Pe(B(1.9e$B$b4^$a$Fe(B)e$B!"La$7$F$b9=$$$^$;$s!#e(B
e$BKNIt$G$9!#e(B
Yukihiro M. e$B$5$s$O=q$-$^$7$?e(B:
|1 / Infinity (=> 0) e$B$He(B Infinity ** -1 (=> NaN?) e$B$,0[$J$k$N$O$*$+$7$$$G$9!#e(B
e$B;d$b%P%0$@$H;W$$$^$9$,!"<B:]$Ke(BDecimale$B$r;H$&?M$,!“85$NJ}$,$&e(B
e$B$l$7$$$H$$$&$N$G$”$l$Pe(B(1.9e$B$b4^$a$Fe(B)e$B!"La$7$F$b9=$$$^$;$s!#e(B
e$B$I$&$d$i%P%0$H$$$&%3%s%;%s%5%9$,:n$i$l$D$D$"$j$=$&$G$7$g$&$+!#$=$l$O$=$l$G;d$Oe(B
e$B:$$j$^$;$s!#e(B
e$BKNIt$G$9e(B
Tadashi S. e$B$5$s$O=q$-$^$7$?e(B:
e$B$,@.$jN)$?$J$$$J$i$P!"$3$N9q$N9b9;@8$,=,$&?t3X$9$iH]Dj$9$k7O$re(B
e$B$1$Ie(B 3/2 # => 1 e$B$J7O$r:NMQ$7$F$k$7$J$"!#e(B
e$B1sF#$G$9!#e(B
2010e$BG/e(B1e$B7ne(B27e$BF|e(B18:51 Urabe S.
[email protected]:
Yukihiro M. e$B$5$s$O=q$-$^$7$?e(B:
|1 / Infinity (=> 0) e$B$He(B Infinity ** -1 (=> NaN?) e$B$,0[$J$k$N$O$*$+$7$$$G$9!#e(B
e$B;d$b%P%0$@$H;W$$$^$9$,!"<B:]$Ke(BDecimale$B$r;H$&?M$,!“85$NJ}$,$&e(B
e$B$l$7$$$H$$$&$N$G$”$l$Pe(B(1.9e$B$b4^$a$Fe(B)e$B!"La$7$F$b9=$$$^$;$s!#e(B
e$B$I$&$d$i%P%0$H$$$&%3%s%;%s%5%9$,:n$i$l$D$D$"$j$=$&$G$7$g$&$+!#$=$l$O$=$l$G;d$Oe(B
e$B:$$j$^$;$s!#e(B
e$B$=$l$G$O!"e(B1.8.7
e$B$K%P%C%/%]!<%H$9$k$H$$$&7kO@$G$$$$$G$7$g$&$+!#e(B
e$B$3$l$,%P%C%/%]!<%H$5$l$k$J$i!"e(B[ruby-dev:36159] e$B$Ne(B 2)
e$B$O$5$i$K%P%0e(B
e$B$C$]$$$N$G%P%C%/%]!<%H$7$FM_$7$$$G$9!#e(B