From: SASADA Koichi <ko1@...>
Date: 2006-02-22T11:36:35+09:00
Subject: [ruby-dev:28367] [Fwd: 【るびま】Rubyの歩き方をみて]

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　ささだです。

　メールをもらったので転送します。

-- 
// SASADA Koichi at atdot dot net


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古井＠大阪と申します。

  ruby-list にも入ってないのでこちらにバグの報告させてください。

  ・動作環境
	Windows2000pro上Cygwinです。
	Rubyは今日(Feb.22.2006)取ってきたスナップショットです。
	単に configure;make;make test;make install しただけです。

	ruby 1.9.0 (2006-02-21) [i386-cygwin]
	CYGWIN_NT-5.0 Fukushima-D310 1.5.19(0.150/4/2) 2006-01-20 13:28 i686 Cygwin

  ・症状
	bashコマンドラインから以下の行を実行すると Segmentation faultします。

		./ruby -e 'printf "%f\n", 0x10000000/((1<<30)*1.0)'

	gdb で runすると以下の所で止まりました。

		Program received signal SIGSEGV, Segmentation fault.
		0x10006236 in rb_big_2comp ()
		   from /cygdrive/c/home/mfurui/MyDocuments/tmp/ruby/cygruby19.dll

  ・備考
	こうやれば通ります。
		ruby -e 'printf "%f\n", 0x10000000/2**30.0'
		ruby -e 'printf "%f\n", (0x10000000*1.0)/((1<<30))'
---
Mitsuru FURUI(mailto:furui@mediasoken.jp)
Media Research, Inc.(System Sales Department)
古井　充（ふるい　みつる）
株式会社メディア総合研究所 システム営業部

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