Numeric#scalar?

1.9 e$B$Ne(B Numeric#scalar? e$B$K$D$$$F!“E,Ev$G$J$$$N$G$Oe(B (real?
e$B$J$I$N$[$&$,$$e(B
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e$B$A$+$J$H;W$$$^$9!#e(B

scalar? e$B$O!"e(B2005-11-29 [ruby-dev:27871]
e$B$+$i;O$^$C$?5DO@$NCf$GF3F~$,7he(B
e$B$^$C$?$h$&$G$9!#e(B1.8 e$B$K$OF3F~$5$l$F$$$^$;$s!#e(B

e$B$3$N$h$&$J0UL#$G=R8l$H$7$Fe(B scalar
e$B$N8l$,$D$+$o$F$$$kNc$O;W$$$D$+$J$+$Ce(B
e$B$?$s$G$9$,!"$H$j$"$($:e(B real e$B$O!"e(BCommon
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e$B$^$9!#e(B

e$B86$G$9!#e(B

Tadayoshi F. e$B$5$s$O=q$-$^$7$?e(B:

1.9 e$B$Ne(B Numeric#scalar? e$B$K$D$$$F!“E,Ev$G$J$$$N$G$Oe(B (real? e$B$J$I$N$[$&$,$$e(B
e$B$$e(B)e$B!”$H$N0U8+$,$$$/$D$+$"$j$^$7$?$,!"$I$&$G$7$g$&!#$b$7JQ$($k$J$i:#$N$&e(B
e$B$A$+$J$H;W$$$^$9!#e(B

scalar? e$B$O!"e(B2005-11-29 [ruby-dev:27871] e$B$+$i;O$^$C$?5DO@$NCf$GF3F~$,7he(B
e$B$^$C$?$h$&$G$9!#e(B1.8 e$B$K$OF3F~$5$l$F$$$^$;$s!#e(B

e$B$=$b$=$b$NF3F~$NF05!$,!"?t$NCf$GHf3S2DG=$J$b$N$r6hJL$7$?$$!"e(B
e$B$H$$$&$3$H$@$C$?$_$?$$$G$9$M!#e(B

e$B$d$O$j!"e(Bscalar? e$B$O$:$l$F$$$k$s$8$c$J$$$+$J!#e(Breal?
e$B$NJ}$,$$$$e(B
e$B$H;W$$$^$9!#e(B

e$B$=$N$b$N$:$P$j!"e(Bcomparable? e$B$C$F$N$O$I$&$@$m$&!#e(B

e$B$d$O$j!"e(Bscalar? e$B$O$:$l$F$$$k$s$8$c$J$$$+$J!#e(Breal? e$B$NJ}$,$$$$e(B
e$B$H;W$$$^$9!#e(B

e$B$=$&46$8$^$9!#e(B

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e$B2>$K!"=hM}7O>e$NI=8=$H$7$F:#$"$k$h$&$JJ#AG?t$H$OJL$K!"=c5u?t$N$h$&$J$be(B
e$B$N$bO@M}E*$K$O:_$jF@$k$N$G$O$H;W$$$^$9$,!"$=$N>l9g!"e(Bscalar?
e$B$OM-8z$G$9e(B
e$B$+e(B?

e$B@.@%$G$9!#e(B

Tadayoshi F. wrote:

1.9 e$B$Ne(B Numeric#scalar? e$B$K$D$$$F!“E,Ev$G$J$$$N$G$Oe(B (real? e$B$J$I$N$[$&$,$$e(B
e$B$$e(B)e$B!”$H$N0U8+$,$$$/$D$+$“$j$^$7$?$,!”$I$&$G$7$g$&!#$b$7JQ$($k$J$i:#$N$&e(B
e$B$A$+$J$H;W$$$^$9!#e(B

scalar? e$B$O!"e(B2005-11-29 [ruby-dev:27871] e$B$+$i;O$^$C$?5DO@$NCf$GF3F~$,7he(B
e$B$^$C$?$h$&$G$9!#e(B1.8 e$B$K$OF3F~$5$l$F$$$^$;$s!#e(B

e$BN.$l$O$4Mw$N>e$G6D$C$F$$$k$N$@$H$O;W$$$^$9$,!"$^$D$b$H$5$s$Ne(B

e$B%3%s%T%e!<%?8@8l$G$Oe(BReale$B$OEAE}E*$KIbF0>.?tE@$rI=8=$9$kC18l$H$7$Fe(B
e$BMQ$$$i$l$F$-$?$N$G@0?t$N%9!<%Q!<%/%i%9$NL>A0$K$O$U$5$o$7$/$J$$e(B
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-dev/27923

e$B$H$$$&<gD%$KBP$7$F==J,$JH?O@$,$J$$$h$&$K46$8$^$9!#e(B
e$B$b$&$A$g$C$HJd6/$7$?J}$,$h$m$7$$$N$G$O$J$$$G$7$g$&$+!#e(B

e$B86$G$9!#e(B

e$B$3$3$G!“e(Bscalar? e$B$r5?Ld;k$9$kM}M3$rI|=,$9$k$H!”$?$H$($P!"!VJ#e(B
[email protected],e(Bvectore$B!W$H$$$&$b$N$,9M$($i$l$F!"$3$N%Y%/%H%k$K$H$C$Fe(B
e$B$O!“J#AG?t$Oe(Bscalare$B$G$”$k!#$7$?$,$C$F!“e(Bscalar?
e$B$r$b$C$FHf3S2De(B
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e$B$G$9!#e(B

scalar e$B$,$"$l$P!“EvA3e(B vector e$B$b$H$J$j!”$I$C$A$J$N$+!"$H$$$&;v$b$"$j$^$9e(B
e$B$,!"$=$b$=$b$=$&$$$&;v$rLd$$$?$$$o$1$8$c$J$$$N$G!"$+$J$j0cOB46$,$"$j$^e(B
e$B$9$M!#<B:]$O!"e(Breal e$B$+$I$&$+CN$j$?$$$s$G$9!#$:$P$j$H8@$($P!"e(Breal? e$B$8$c$Je(B
e$B$$$+$H!#e(B

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e$B$s$G$9$h$M!D!#$$$d!"e(Breal?e$B$G$$$$$s$G$9$,!#e(B

ordered? e$B$C$F$$$&$N$b;W$$$D$?$1$I!"$I$&$G$7$g$&!#e(B

e$B86$G$9!#e(B

Tadayoshi F. e$B$5$s$O=q$-$^$7$?e(B:

e$B%3%s%T%e!<%?8@8l$G$Oe(BReale$B$OEAE}E*$KIbF0>.?tE@$rI=8=$9$kC18l$H$7$Fe(B
e$BMQ$$$i$l$F$-$?$N$G@0?t$N%9!<%Q!<%/%i%9$NL>A0$K$O$U$5$o$7$/$J$$e(B
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-dev/27923

e$B$J$k$[$I!#e(BReal e$B$H$$$&%/%i%9$rF3F~$9$k$o$1$G$O$J$$$G$9$,!"KM$O!“e(Breal e$B$,e(B
e$BIbF0>.?tE@?t$@$H$$$&0U<1$O$+$J$jGv$$$h$&$G$9$M!#e(BPascal e$B$H$+;W$$=P$7$^$9!#e(B
e$B>/$78E=-$$0u>]$,$”$j$^$9!#e(B

e$BFC$Ke(B Rational e$B$,AH$9~$$K$J$C$?$3$H$b$"$C$F!“e(BRuby e$B$Ge(B
real e$B$He(B
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e$B$@$+$i!#e(B

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e$BMQ$$$i$l$F$-$?$N$G@0?t$N%9!<%Q!<%/%i%9$NL>A0$K$O$U$5$o$7$/$J$$e(B
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-dev/27923

e$B$J$k$[$I!#e(BReal
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e$B$O!"e(BNumber > Complex > Real > Rational > Integral
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e$BA0ED$G$9!#e(B

2008/09/06 8:04 Tadayoshi F. [email protected]:

1.9.1 e$B$^$G$K;~4V$,$J$$$N$Ge(B scalar? e$B$@$12?$H$+$7$?$$$H;W$C$F$$$^$7$?$,!“e(B
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e$B$,!"$=$N2DG=@-$,DY$5$l$F$b!"e(Breal?e$B$Oe(Bscalar?e$B$h$j$$$$$H;W$&$N$G!"e(B
real?e$B$K;?@.$G$9!#e(B

e$BHf3S$,$G$-$k$3$H$H<B?t$G$"$k$3$H$OF1CM$G$O$J$/$F!“e(Breale$B$O8@$$e(B
e$B$9$.$J46$8$,$7$^$9!#e(BNumerice$B$N2<$KHf3S$,$G$-$F$+$D<B?t$G$J$$?te(B
e$B$r%i%$%V%i%j$H$7$F=q$/$3$H$O$”$j$($k$N$G$O$J$$$+!#e(B

e$B$=$&$$$&$N$"$k$s$G$9$+$M!#e(B

e$B$?$7$+$K!"$=$b$=$b$NH/C<$G$"$kHf3S1>!9$K94$k$HHyL/$H;W$&$+$b$7$l$^$;$s!#e(B
e$B$7$+$7!“0JA0$N5DO@$NCf$G$b$=$l$,K<A$G$O$J$$!”$H$$$&$3$H$,L@$+$K$J$C$Fe(B
e$B$$$?$H;W$$$^$9!#e(B[ruby-dev:27928]
e$B$G$[$\7kO@$,=P$F$$$F!"$5$i$Ke(B
[ruby-dev:27940] e$B$Ge(B real? e$B$b=P$F$$$?$N$G$9$,!“e(Bscalar?
e$B$K>y$C$?46$,$”$je(B
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real?
e$B$,$"$C$F$b$J$*$+$DHf3S1>!9$N=R8l$,M_$7$$$N$G$"$l$P!“0UL#$,$”$k$+e(B
e$B$b$7$l$^$;$s$,!"$$$E$l$K$7$F$b!"e(Breal?
e$B$OI,MW$@$H;W$$$^$9!#$?$H$($P!"e(B
Complex e$B$N<BAu$G$Oe(B scalar?
e$B$r$D$+$C$F$$$^$9$,!"Hf3S$G$-$k$+$I$&$+$rCN$je(B
e$B$?$$$o$1$G$O$J$$$N$G!#e(B

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e$B$”$H0l=54V$/$i$$$OMM;R$r8+$?$[$&$,$$$$$G$7$g$&$+!#e(B

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

In message “Re: [ruby-dev:36183] Re: Numeric#scalar?”
on Sat, 6 Sep 2008 23:19:18 +0900, “Shugo M.”
[email protected] writes:

|e$B$^$:!";d$N0U8+$r@h$K=R$Y$k$H!"e(Breal?e$B$K;?@.$G$9!#e(B

|e$B$3$3$Oe(BPascale$B$h$j$be(BLispe$B$KJo$&$3$H$K$7$F!"e(Breal?e$B$H$7$F$O$I$&$G$7$g$&$+e(B? > e$B$^$D$b$H$5$se(B
|e$B=R8l$@$H$=$s$J$KIbF0>.?tE@?t$N%$%a!<%8$O$J$$$h$&$K;W$$$^$9$7!#e(B

e$B$O$$!#%/%i%9L>$G$J$1$l$PH?BP$7$^$;$s!#e(B

e$BA0ED$G$9!#e(B

2008/09/07 1:25 Shin-ichiro HARA [email protected]:

e$BHf3S$,$G$-$k$3$H$H<B?t$G$"$k$3$H$OF1CM$G$O$J$/$F!“e(Breale$B$O8@$$e(B
e$B$9$.$J46$8$,$7$^$9!#e(BNumerice$B$N2<$KHf3S$,$G$-$F$+$D<B?t$G$J$$?te(B
e$B$r%i%$%V%i%j$H$7$F=q$/$3$H$O$”$j$($k$N$G$O$J$$$+!#e(B

e$B$J$k$[$I!"86$5$s$N?4G[$OM}2r$G$-$^$7$?!#e(B

e$B2>$K>-Mh$=$&$$$C$?MW5a$,$“$C$Fe(Bcomparable?e$B$rF3F~$7$?$H$7$F$b!”$=$N;~$Ke(B
real?e$B$r:o=|$9$Y$-$@$H$$$&$3$H$K$J$k0Z$l$,$J$1$l$P!":#2se(Breal?e$B$rF3F~$7$?e(B
e$B$H$7$F$bBg$-$JLdBj$O$J$$$h$&$K;W$$$^$9!#$I$&$G$7$g$&$+!#e(B

e$B:XF#$H?=$7$^$9!#e(B

On Sun, 7 Sep 2008 01:25:19 +0900
Shin-ichiro HARA [email protected] wrote:

e$B$9$.$J46$8$,$7$^$9!#e(BNumerice$B$N2<$KHf3S$,$G$-$F$+$D<B?t$G$J$$?te(B
e$B$r%i%$%V%i%j$H$7$F=q$/$3$H$O$"$j$($k$N$G$O$J$$$+!#e(B

(e$B0lIt$N<B?te(BNumerice$B$He(B)e$B!VHf3S$,$G$-$J$/$F$+$D<B?t$G$"$k!W?tCM$N%i%$%V%i%j$r=q$$$Fe(B
e$B$$$k<T$G$9!#e(B

e$BCx:n$N%i%$%V%i%j$O!">.?t$r@53N$KI=$;$k$N$r%&%j$H$7$F$$$^$9!#$=$N@-3J$r=E$s$8$F!“e(B
e$BIT@53N$G$”$ke(BFloate$B$H$NHf3S$N;~$O!"0U?^$7$FNc30$,>e$,$k$h$&$K$J$C$F$$$^$9!#e(B

e$BNc$($Pe(BBigDecimal(“1.1”)e$B$G$O!“e(B1.1e$B$r@53N$KI=$;$^$9$,!“e(BFloate$B$Ne(B1.1e$B$G$O$=$&$H$O8B$je(B
e$B$^$;$s!#$=$N$?$a!”$;$C$+$/e(BBigDecimale$B$rMQ$$$F@53N$K1i;;$7$?7k2L$b!”:G8e$K$=$l$re(B
e$B$&$C$+$je(BFloate$B$HHf3S$7$F$7$^$&$H!“7k2L$OL5;D$J$b$N$H$J$C$F$7$^$$$^$9!#e(B
Floate$B$O%j%F%i%k$H$7$F4JC1$K=q$1$k$N$G!”$&$C$+$j$,5/$3$j$d$9$$$h$&$G$9!#e(B

e$B$3$N$h$&$J8m$j$OC1$J$k2>@b$G$O$J$/!"e(B1.8e$B$N%j%j!<%9$N8e$K<B:]2?EY$b7+$jJV$75/$-!“e(B
ruby-talke$B$KEj9F$5$l$F$$$kHa7`$G$9!#:G6a$G$Oe(B [ruby-talk:312713]
e$B$,$”$j$^$7$?!#e(B

e$B$=$N$h$&$JM}M3$,$“$C$F!“Cx:n%i%$%V%i%j$G$Oe(BFloate$B$H$NHf3S$,IT2DG=$G$9e(B(e$BHf3S$9$k$J$i$Pe(B
to_fe$B$r;H$C$F$+$i$*9%$-$K$I$&$>!”$H$$$&%9%?%s%9$G$9e(B)e$B!#$=$N$?$a!”%i%$%V%i%j$Ke(B1.9e$BBP1~$re(B
e$B@9$j9~$b$&$H$7$F$$$k<+J,$K$H$C$F$O!“86$5$s$N!V$”$j$($k$N$G$O$J$$$+!W$H$$$&4mW|$O:#e(B
e$B8=:_5/$3$C$F$$$kLdBj$G$9!#e(B

e$B$H$$$&$3$H$G!“>e5-$N$h$&$J%b%N$N<BAu<T$H$7$F$O!“e(Bcompareble?
e$B$NJ}$,$$$/$i$+<+A3$Ke(B
e$B46$8$^$9!#e(Breal?
e$B$NG\0J>e$ND9$5$,$”$j$^$9$,!”$=$l$[$IIQHK$K;H$&$b$N$G$O$J$$$N$G!"e(B
e$B$$$$$N$+$J$H$$$&5$$,$7$^$9!#e(B

e$BA0ED$G$9!#e(B

2008/09/08 17:29 Tadashi S. [email protected]:

e$B$9$.$J46$8$,$7$^$9!#e(BNumerice$B$N2<$KHf3S$,$G$-$F$+$D<B?t$G$J$$?te(B
e$B$r%i%$%V%i%j$H$7$F=q$/$3$H$O$"$j$($k$N$G$O$J$$$+!#e(B

(e$B0lIt$N<B?te(BNumerice$B$He(B)e$B!VHf3S$,$G$-$J$/$F$+$D<B?t$G$“$k!W?tCM$N%i%$%V%i%j$r=q$$$Fe(B
e$B$$$k<T$G$9!#e(B
(snip)
e$B$=$N$h$&$JM}M3$,$”$C$F!“Cx:n%i%$%V%i%j$G$Oe(BFloate$B$H$NHf3S$,IT2DG=$G$9e(B(e$BHf3S$9$k$J$i$Pe(B
to_fe$B$r;H$C$F$+$i$*9%$-$K$I$&$>!”$H$$$&%9%?%s%9$G$9e(B)e$B!#$=$N$?$a!"%i%$%V%i%j$Ke(B1.9e$BBP1~$re(B
e$B@9$j9~$b$&$H$7$F$$$k<+J,$K$H$C$F$O!“86$5$s$N!V$”$j$($k$N$G$O$J$$$+!W$H$$$&4mW|$O:#e(B
e$B8=:_5/$3$C$F$$$kLdBj$G$9!#e(B

e$B@53N$K$O86$5$s$,!V$“$j$($k$N$G$O$J$$$+!W$H;W$C$F$$$kLdBj$H$O0c$$$^$9$h$M!#e(B
e$B86$5$s$,7|G0$7$F$$$k$N$O!VHf3S$,$G$-$F$+$D<B?t$G$J$$?t!W%1!<%9$G$”$C$F!“e(B
e$B!VHf3S$,$G$-$J$/$F$+$D<B?t$G$”$k!W%1!<%9$G$O$J$$$N$G!#e(B

e$B$H$$$&$3$H$G!“>e5-$N$h$&$J%b%N$N<BAu<T$H$7$F$O!“e(Bcompareble? e$B$NJ}$,$$$/$i$+<+A3$Ke(B
e$B46$8$^$9!#e(Breal? e$B$NG\0J>e$ND9$5$,$”$j$^$9$,!”$=$l$[$IIQHK$K;H$&$b$N$G$O$J$$$N$G!"e(B
e$B$$$$$N$+$J$H$$$&5$$,$7$^$9!#e(B

e$B$h$/$o$+$i$J$+$C$?$N$G$9$,!“:XF#$5$s$N:n$i$l$F$$$k%/%i%9$G$Oe(Bcomparable?e$B$Oe(B
falsee$B$rJV$9$3$H$K$J$k$N$G$7$g$&$+e(B?
e$B$b$7!”$=$&$@$H$9$k$H!"$?$H$($Pe(Bxe$B$He(Bye$B$,$=$N%/%i%9$N%$%s%9%?%s%9$@$C$?$H$7$F!“e(BComplex(x,
y)
e$B$,0J2<$N$h$&$J%(%i!<$K$J$k$H;W$&$N$G$9$,!”$=$l$O0U?^$5$l$?$3$H$G$7$g$&$+e(B?

irb(main):001:0> Complex(x, y)
ArgumentError: not a real

e$B$b$7>e5-$N$h$&$J5sF0$r0U?^$5$l$F$$$J$+$C$?$H$9$k$H!"$d$O$j:#2s8!F$$5$l$F$$$k5!G=$Ne(B
e$BL>A0$H$7$F$Oe(Breal?e$B$NJ}$,$h$jE,@Z$@$C$?$j$7$J$$$G$7$g$&$+!#e(B

e$B$=$N$h$&$JM}M3$,$"$C$F!“Cx:n%i%$%V%i%j$G$Oe(BFloate$B$H$NHf3S$,IT2DG=$G$9e(B(e$BHf3S$9$k$J$i$Pe(B
to_fe$B$r;H$C$F$+$i$*9%$-$K$I$&$>!”$H$$$&%9%?%s%9$G$9e(B)e$B!#$=$N$?$a!"%i%$%V%i%j$Ke(B1.9e$BBP1~$re(B
e$B@9$j9~$b$&$H$7$F$$$k<+J,$K$H$C$F$O!“86$5$s$N!V$”$j$($k$N$G$O$J$$$+!W$H$$$&4mW|$O:#e(B
e$B8=:_5/$3$C$F$$$kLdBj$G$9!#e(B

e$BA0ED$5$s$N;XE&$N$h$&$K!"$=$l<+BN$,Hf3S$G$-$k$+$I$&$+$H0c$&$H;W$&$N$G$9e(B
e$B$,!"$=$&$$$&;XF3$C$]$$;v$r$7$?$j$9$k$N$O!"$J$s$@$+e(B BigDecimal
e$BE*$J46$8e(B
e$B$,$7$^$9$M!#$J$s$J$i7Y9p=P$7$F$b$$$$$o$1$G$9$7!#e(B

Yuguie$B$G$9!#e(B

Shugo M. e$B$5$s$O=q$-$^$7$?e(B:

e$B@53N$K$O86$5$s$,!V$“$j$($k$N$G$O$J$$$+!W$H;W$C$F$$$kLdBj$H$O0c$$$^$9$h$M!#e(B
e$B86$5$s$,7|G0$7$F$$$k$N$O!VHf3S$,$G$-$F$+$D<B?t$G$J$$?t!W%1!<%9$G$”$C$F!“e(B
e$B!VHf3S$,$G$-$J$/$F$+$D<B?t$G$”$k!W%1!<%9$G$O$J$$$N$G!#e(B

e$B$H$$$&$3$H$G!“>e5-$N$h$&$J%b%N$N<BAu<T$H$7$F$O!“e(Bcompareble? e$B$NJ}$,$$$/$i$+<+A3$Ke(B
e$B46$8$^$9!#e(Breal? e$B$NG\0J>e$ND9$5$,$”$j$^$9$,!”$=$l$[$IIQHK$K;H$&$b$N$G$O$J$$$N$G!"e(B
e$B$$$$$N$+$J$H$$$&5$$,$7$^$9!#e(B

e$BD6<B?t$,$“$j$^$9$h!#!VHf3S$,$G$-$F$+$D<B?t$G$J$$?t!W$G$9!#e(B
Rubye$B<BAu$b$”$j$^$9!#0l1~!"e(BComplexe$B$H:.$<$F;H$($J$/$O$J$$$h$&$G$9!#e(B

Comparablee$B$G$“$k$H$$$&$N$ODj5A$NLdBj$G$9!#J#AG?t$@$C$F<+A3$J=g=x$,Dj$^$ie(B
e$B$J$$$@$1$G<-=q<0$N$h$&$KWs0UE*$J=g=x$rM?$($F$d$k$3$H$O$G$-$k$o$1$G$9!#e(B
e$BI,MW$G$”$l$P<+J,$N@UG$$Ge(BComplex#<=>e$B$rDj5A$9$k$N$O>!<j$@$h!"$H$$$&$N$,e(B
Rubye$B%i%$%V%i%j$H$7$F$ONI$5$=$&$K;W$$$^$9!#e(B

e$B$J$N$G!“%i%$%V%i%jB&$G5,Dj$NH=JLK!$H$7$Fe(Bcomparable?e$B$rM?$($k$N$O0cOB46$,e(B
e$B$”$j$^$9!#$G!"e(Bscalar?e$B$O99$KJQ$@$H$$$&$N$O86$5$s$N$$C$7$c$k$H$$j$H;W$$e(B
e$B$^$9!#J#AG%Y%/%H%k$NN)>l$,$J$$!#e(B

e$B$H$j$“$($:!“e(Bscalar?e$B$re(Breal?e$B$K$7$F!”$=$N8e$Ke(Bexact?/inexact?e$B$r8!F$$9$k$N$,e(B
e$BNI$$$N$G$O$J$$$G$7$g$&$+!#e(Bcomparable?e$B$+$I$&$+$Oe(Bscalar?e$B@-$He(Bexact?e$B@-$K=>$Ce(B
e$B$F%”%W%j%1!<%7%g%s!&%I%a%$%s$N@-<A$K1~$8$FDj$^$k$3$H$G$9!#e(B

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e$B$”$^$j?tCM%*%V%8%'%/%H$N1i;;$K9W8%$7$F$$$k$h$&$K;W$($^$;$s$,!#e(B

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

In message “Re: [ruby-dev:36216] Re: Numeric#scalar?”
on Mon, 8 Sep 2008 21:15:14 +0900, “Yugui (Yuki S.)”
[email protected] writes:

|e$B$H$3$m$G!“e(BPrecisione$B$O$I$&$J$C$F$k$s$G$7$g$&!#%i%$%V%i%j$N<BAu$r8+$k$K$Oe(B
|e$B$”$^$j?tCM%*%V%8%'%/%H$N1i;;$K9W8%$7$F$$$k$h$&$K;W$($^$;$s$,!#e(B

e$B$4$H$1$s$5$s$,MJ8n$7$J$$$J$i!">-Mh:o=|$7$?$$$H$3$m$G$9!#e(B

Common Lisp e$B$Ne(B realp e$B$He(B Scheme e$B$Ne(B real?e$B!“9,$$e(B
real e$B$K$D$$$F$O!”$I$A$i$be(B
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(e$B$?$H$($P!"e(Br6rs e$B$K=`$8e(B
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e$BG’$7$F$*$$$?$[$&$,$$$$$G$9$+$M!#e(B

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e$B$”$^$j?tCM%*%V%8%’%/%H$N1i;;$K9W8%$7$F$$$k$h$&$K;W$($^$;$s$,!#e(B

e$BKM$b4^$a$F!"$"$^$j0U5A$rM}2r$G$-$F$$$J$$$+$b!#e(B