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けいじゅ＠日本ラショナルソフトウェアです.

In [ruby-dev :8886 ] the message: "[ruby-dev:8886] Complex#divmod ",
on Jan/08 23:15(JST) Masahiro TANAKA writes:

>田中@ISASです。ついでに気になっていることを。
>
>Complex#divmod の振る舞いがよくわかりません。
>lib/complex.rb の以下のパッチは正しいでしょうか?
>
>   def divmod(other)
>     if other.kind_of?(Complex)
>       rdiv, rmod = @real.divmod(other.real)
>       idiv, imod = @image.divmod(other.image)
>-      return Complex(rdiv, idiv), Complex(rmod, rdiv)
>+      return Complex(rdiv, idiv), Complex(rmod, imod)
>     elsif Complex.generic?(other)
>       Complex(@real.divmod(other), @image.divmod(other))
>     else
>       x , y = other.coerce(self)
>       x.divmod(y)
>     end
>   end

そうですね. これがやりたかったことです.

>これにしても、複素数の割り算からは連想できなかったのですが...

複素数のdivmodって本来定義がないので適当に定義してしまったってのがありま
す(^^;;;

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..............................石塚 圭樹＠日本ラショナルソフトウェア...
----------------------------------->> e-mail: keiju@rational.com <<---

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[ruby-dev:8895] Re: Complex#divmod

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