[ruby-dev:42113] Re: Math::atan2(0, 0) on ruby 1.9.2

=1B$B$`$i$?$G$9!#=1B(B

On 2010/08/23, at 2:29, Yusuke ENDOH wrote:

> =1B$B1sF#$G$9!#=1B(B
>=20
> atan2 =1B$B$O6K:BI8JQ49$K;H$o$l$k$N$G!"=1B(B[hypot(x, y), atan2(x, y)] =
=1B$B$,=1B(B
> x =3D y =3D 0 =1B$B$N;~$K%(%i!<$K$J$k$N$OITJX!"$H$$$&$h$&$J$3$H$,=1B(B =
FreeBSD
> =1B$B$N=1B(B manpage =1B$B$K=3Dq$$$F$"$j$^$7$?!#=1B(B
> =1B$B$3$N=1B(B rationale =1B$B$O8D?ME*$K$OG<F@$G$-$^$9!#=1B(B
>=20
> =1B$B$^$?!"$$$/$D$+=1B(B regression =
=1B$B$b0z$-5/$3$7$F$$$k$h$&$J$N$G!"=1B(Batan2 =1B$B$K=1B(B
> =1B$B4X$7$F$O=1B(B SUSv3 =
=1B$B$K=3D>$C$F$*$/$H$h$$$N$G$O$J$$$G$7$g$&$+!#=1B(B


=1B$B$J$k$[$I!"0lM}$"$j$^$9$M!#=1B(B

> 1.9.2-pX =1B$B$GD>$9$+!"=1B(B1.9.3 =
=1B$B$GD>$9$+$OG:$^$7$$$H$3$m$G$9$,!#=1B(B

=1B$B$3$N%?%$%_%s%0$G5sF0$rJQ99$9$k$N$G$7$?$i=1B(B 1.9.2-pX =1B$B$K=1B(B
=1B$B%P%C%/%]!<%H$7$?$$5$$,$7$^$9!#=1B(B

--
Kenta Murata
OpenPGP FP =3D 1D69 ADDE 081C 9CC2 2E54  98C1 CEFE 8AFB 6081 B062

=1B$BK\$r=3Dq$-$^$7$?=1B(B!!
=1B$B!X=1B(BRuby =1B$B5U0z$-%l%7%T!Y=1B(B =
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