[#34261] ComplexFloat — "Kenta Murata" <muraken@...>

村田です.

117 messages 2008/04/06
[#34280] Re: ComplexFloat — "Kenta Murata" <muraken@...> 2008/04/10

村田です.

[#34286] Re: ComplexFloat — Nobuyoshi Nakada <nobu@...> 2008/04/10

なかだです。

[#34288] Re: ComplexFloat — "Kenta Murata" <muraken@...> 2008/04/10

むらたです.

[#34290] Re: ComplexFloat — "U.Nakamura" <usa@...> 2008/04/10

こんにちは、なかむら(う)です。

[#34293] Re: ComplexFloat — "Kenta Murata" <muraken@...> 2008/04/10

むらたです.

[#34296] Re: ComplexFloat — "U.Nakamura" <usa@...> 2008/04/10

こんにちは、なかむら(う)です。

[#34298] Re: ComplexFloat — "Kenta Murata" <muraken@...> 2008/04/10

むらたです.

[#34300] Re: ComplexFloat — Tanaka Akira <akr@...> 2008/04/10

In article <761216ce0804100221x67f10f12iab12b0e35b6f50e4@mail.gmail.com>,

[#34301] Re: ComplexFloat — "Kenta Murata" <muraken@...> 2008/04/10

むらたです.

[#34303] Re: ComplexFloat — Yukihiro Matsumoto <matz@...> 2008/04/10

まつもと ゆきひろです

[#34314] Re: ComplexFloat — Tadayoshi Funaba <tadf@...> 2008/04/10

利点としては、拡張ライブラリが書きやすい、ということ。正当化の理由とし

[#34316] Re: ComplexFloat — "Kenta Murata" <muraken@...> 2008/04/10

むらたです.

[#34317] Re: ComplexFloat — Tadayoshi Funaba <tadf@...> 2008/04/10

> 私にはいびつな進化という感じはしません.むしろ,せっかく C で実装できるのに

[#34318] Re: ComplexFloat — "Kenta Murata" <muraken@...> 2008/04/10

むらたです.

[#34322] Re: ComplexFloat — Yukihiro Matsumoto <matz@...> 2008/04/10

まつもと ゆきひろです

[#34328] Re: ComplexFloat — "Kenta Murata" <muraken@...> 2008/04/11

むらたです.

[#34331] Re: ComplexFloat — Yukihiro Matsumoto <matz@...> 2008/04/11

まつもと ゆきひろです

[#34340] Re: ComplexFloat — "Kenta Murata" <muraken@...> 2008/04/11

むらたです.

[#34341] Re: ComplexFloat — Yukihiro Matsumoto <matz@...> 2008/04/11

まつもと ゆきひろです

[#34362] Re: ComplexFloat — "Kenta Murata" <muraken@...> 2008/04/12

むらたです.

[#34363] Re: ComplexFloat — Tanaka Akira <akr@...> 2008/04/12

In article <761216ce0804120723n16bfbad7qdae90f142978d256@mail.gmail.com>,

[#34367] Re: ComplexFloat — "Kenta Murata" <muraken@...> 2008/04/12

むらたです.

[#34368] Re: ComplexFloat — Tanaka Akira <akr@...> 2008/04/12

In article <761216ce0804121011h6132d58fh4916ecbb29d58690@mail.gmail.com>,

[#34369] Re: ComplexFloat — "Kenta Murata" <muraken@...> 2008/04/12

むらたです.

[#34364] Re: ComplexFloat — Yukihiro Matsumoto <matz@...> 2008/04/12

まつもと ゆきひろです

[#34366] Re: ComplexFloat — "Kenta Murata" <muraken@...> 2008/04/12

むらたです.

[#34386] Re: ComplexFloat — Yukihiro Matsumoto <matz@...> 2008/04/13

まつもと ゆきひろです

[#34415] Re: ComplexFloat — "Kenta Murata" <muraken@...> 2008/04/15

むらたです.

[#34439] Re: ComplexFloat — Shin-ichiro HARA <sinara@...> 2008/04/17

原です。

[#34442] Re: ComplexFloat — Yukihiro Matsumoto <matz@...> 2008/04/17

まつもと ゆきひろです

[#34451] Re: ComplexFloat — Shin-ichiro HARA <sinara@...> 2008/04/18

原です。

[#34455] Re: ComplexFloat — Tadayoshi Funaba <tadf@...> 2008/04/18

> 1. ComplexFloat を組込みにし、Complex を標準ライブラリとして提供する。

[#34457] Re: ComplexFloat — Shin-ichiro HARA <sinara@...> 2008/04/20

原です。

[#34458] Re: ComplexFloat — Tadayoshi Funaba <tadf@...> 2008/04/20

> 分かりににくかったですが、これは、ComplexFloat を含めた組込みの数体系が

[#34502] Re: ComplexFloat — sheepman <sh@...> 2008/04/24

こんばんは sheepman です。

[#34601] Re: ComplexFloat — Yukihiro Matsumoto <matz@...> 2008/05/07

まつもと ゆきひろです

[#34603] Re: ComplexFloat — keiju@... (石塚圭樹) 2008/05/07

けいじゅ@いしつかです.

[#34614] Re: ComplexFloat — Yukihiro Matsumoto <matz@...> 2008/05/08

まつもと ゆきひろです

[#34621] Re: ComplexFloat — keiju@... (石塚圭樹) 2008/05/08

けいじゅ@いしつかです.

[ruby-dev:34480] 1.8 sprintf %b generates broken strings with GC.stress

From: Tanaka Akira <akr@...>
Date: 2008-04-21 23:06:38 UTC
List: ruby-dev #34480
GC.stress が入ったので思い立ってふと試してみると、1.8 の
sprintf の %b は

"\000\242\272\3535+\000\000P{d\000\000\000\000\000ffffffffffff,\n\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\220\000\000\000\000\000\000\00000000000000000000000000000000000000000000000000000000000001"

などという壊れた文字列を生成することがあるようです。

% cat x.rb
GC.stress=true

VS = [
  -0x1000000000000000000000000000000000000000000000002,
  -0x1000000000000000000000000000000000000000000000001,
  -0x1000000000000000000000000000000000000000000000000,
  -0xffffffffffffffffffffffffffffffffffffffffffffffff,
  -0x1000000000000000000000002,
  -0x1000000000000000000000001,
  -0x1000000000000000000000000,
  -0xffffffffffffffffffffffff,
  -0x10000000000000002,
  -0x10000000000000001,
  -0x10000000000000000,
  -0xffffffffffffffff,
  -0x4000000000000002,
  -0x4000000000000001,
  -0x4000000000000000,
  -0x3fffffffffffffff,
  -0x100000002,
  -0x100000001,
  -0x100000000,
  -0xffffffff,
  -0xc717a08d,
  -0x80000002,
  -0x80000001,
  -0x80000000,
  -0x7fffffff,
  -0x524b2245,
  -0x40000002,
  -0x40000001,
  -0x40000000,
  -0x3fffffff,
  -0x10002,
  -0x10001,
  -0x10000,
  -0xffff,
  -0x8101,
  -0x8002,
  -0x8001,
  -0x8000,
  -0x7fff,
  -0x7f01,
  -65,
  -64,
  -63,
  -62,
  -33,
  -32,
  -31,
  -30,
  -3,
  -2,
  -1,
  0,
  1,
  2,
  3,
  30,
  31,
  32,
  33,
  62,
  63,
  64,
  65,
  0x7f01,
  0x7ffe,
  0x7fff,
  0x8000,
  0x8001,
  0x8101,
  0xfffe,
  0xffff,
  0x10000,
  0x10001,
  0x3ffffffe,
  0x3fffffff,
  0x40000000,
  0x40000001,
  0x524b2245,
  0x7ffffffe,
  0x7fffffff,
  0x80000000,
  0x80000001,
  0xc717a08d,
  0xfffffffe,
  0xffffffff,
  0x100000000,
  0x100000001,
  0x3ffffffffffffffe,
  0x3fffffffffffffff,
  0x4000000000000000,
  0x4000000000000001,
  0xfffffffffffffffe,
  0xffffffffffffffff,
  0x10000000000000000,
  0x10000000000000001,
  0xffffffffffffffffffffffff,
  0x1000000000000000000000000,
  0x1000000000000000000000001,
  0xffffffffffffffffffffffffffffffffffffffffffffffff,
  0x1000000000000000000000000000000000000000000000000,
  0x1000000000000000000000000000000000000000000000001
]

VS.each {|a|
  s = sprintf("%b", a)
  p s if /[^01.]/ =~ s
}
% ./ruby -v x.rb
ruby 1.8.7 (2008-04-19 patchlevel 5000) [x86_64-linux]
"\000\242\272\3535+\000\000\200\202d\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\220\000\000\000\000\000\000\000111111111111111111111111111111111111111111111111111111111110"
"\000\242\272\3535+\000\000\020~d\000\000\000\000\0000000000000000000000000000000000000000,\n\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\220\000\000\000\000\000\000\000111111111111111111111111111111111111111111111111111111111111"
"\000\242\272\3535+\000\000\260|d\000\000\000\000\0000000000000001,\n\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\220\000\000\000\000\000\000\00000000000000000000000000000000000000000000000000000000000000"
"\000\242\272\3535+\000\000P{d\000\000\000\000\000ffffffffffff,\n\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\220\000\000\000\000\000\000\00000000000000000000000000000000000000000000000000000000000001"
-- 
[田中 哲][たなか あきら][Tanaka Akira]

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