value representation in javascript implementations — wingolog
In my last note I mentioned that I had been doing a lot of reading of JavaScript implementation code. One point that I didn't mention is that the state of the art is completely undocumented. So to work on rectifying that, here's the first in what might be a series of articles about the internals of JavaScript implementations. tagging Initially, all JavaScript implementations used tagged pointers t
float 㨠80bit FPU - ã‚„ã“〜ん SuperNova2
Annotated C# Standard ã‚’èªã‚“ã§ã¿ãŸã‚·ãƒªãƒ¼ã‚ºãã® 2。 åŒã˜è¨ˆç®—ã®çµæžœãªã®ã« != ã«ãªã‚‹ã€ã¨ã„ã†è©±ã€‚ å‚考: 2007-06-03 何ã¯ã¨ã‚‚ã‚れサンプル public float f1 = 2.82323f; public float f2 = 2.3f; public float member; public float Calc() { return this.f1 * this.f2; } public void FloatTest() { this.member = this.Calc(); float local = this.Calc(); Console.WriteLine(this.member == this.Calc()); // True Console.WriteLine(local == this.Calc()); // True Conso
浮動å°æ•°ã®æ¯”較ã®å®Ÿè£… - ã‚„ã“〜ん SuperNova2
一ã¤å‰ã®ã‚¨ãƒ³ãƒˆãƒª: http://d.hatena.ne.jp/saiya_moebius/20090111/1231669765 「float 㨠80bit FPU〠å‚考: ��ư�������������� (Boost ã® close_at_tolerance ã«ã¤ã„ã¦ã®ãƒ‰ã‚ュメント) 浮動å°æ•°ãªå€¤åŒå£«ã‚’比較ã™ã‚‹ã“ã¨ã«ã¤ã„ã¦ã€Boost ã®ãƒ‰ã‚ュメント㫠��ư�������������� ã¨ã„ã†èˆˆå‘³æ·±ã„ドã‚ュメントãŒã‚ã‚‹ã“ã¨ã‚’発見ã—ãŸã®ã§ãƒ¡ãƒ¢ã€‚ Boost ã®ãƒ‰ã‚ュメントã«ã‚ã‚‹å°æ•°ã®æ¯”較ã«ã¤ã„ã¦ã€ç§ãªã‚Šãã«è¦ç´„ å…ƒã¨ãªã£ã¦ã„ã‚‹å‚考文献ãŒä»Šæ‰‹å…ƒã«ãªã„ã®ã§é›£ã ãŒã€ã¨ã‚Šã‚ãˆãš Boost ã®ãƒ‰ã‚ュメントã ã‘ã‹ã‚‰èªã¿å–ã‚ŒãŸå†…容をã¾ã¨ã‚ã¦ã¿ãŸã€‚The art of computer programming ã‚’ã¾ã¨ã‚‚ã«èªã‚€ã¹ãã«ã‹ã‚‚ã€ã“りゃ。 判定法 二ã¤ã®æµ®å‹•å°æ•° 㨠ãŒã‚る時ã«ã€ãれら
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ã†ã ã†ã Weblog: [2/4] J-.M.Muller et.al, "Handbook of Floating-point Arithmetic", Birkhauser
Amazon.co.jp: Handbook of Floating-Point Arithmetic: Muller, Jean-Michel, Brisebarre, Nicolas, de Dinechin, Florent, Jeannerod, Claude-Pierre, Lefèvre, Vincent, Melquiond, Guillaume, Revol, Nathalie, Stehlé, Damien, Torres, Serge: 本
WebKit/Source/JavaScriptCore/runtime/JSCJSValue.h at main · WebKit/WebKit
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